chemical reaction Crossword Puzzles
Thermal Transfer 2024-02-05
Across
- Examples: Liquid to Gas, Solid to Liquid
- Metals, like Steel, Iron, and Copper
- The sun uses me
- The average kinetic energy of the particles
- I definitely need water for my process to work
- The temperature in which a substance will go from a liquid to a solid
Down
- The temperature in which a substance will go from a solid to liquid
- Low conductivity
- This is not created nor destroyed in a chemical reaction
- Reaction Releases thermal energy
- Reaction Absorbs thermal energy
- I use physical touch for my process to work
12 Clues: The sun uses me • Low conductivity • Reaction Absorbs thermal energy • Reaction Releases thermal energy • Metals, like Steel, Iron, and Copper • Examples: Liquid to Gas, Solid to Liquid • The average kinetic energy of the particles • I use physical touch for my process to work • I definitely need water for my process to work • ...
Biology Enzymes 2025-03-21
Across
- The result of an enzyme-catalyzed reaction
- The control center of a cell
- When an enzyme loses its shape and no longer works
- The substance that an enzyme acts upon
- Any living thing
- A protein that speeds up chemical reactions
- The process that enzymes help speed up
Down
- The type of biomolecule that enzymes are made of
- The specific region where the substrate binds to the enzyme
- The basic unit of life
- A substance that increases the speed of a reaction
- What living things need to survive and function
12 Clues: Any living thing • The basic unit of life • The control center of a cell • The substance that an enzyme acts upon • The process that enzymes help speed up • The result of an enzyme-catalyzed reaction • A protein that speeds up chemical reactions • What living things need to survive and function • The type of biomolecule that enzymes are made of • ...
6B VOCAB 2017-04-06
Across
- a substance that takes part in and undergoes change during a reaction.
- Metals- The alkali metals are a group of elements in the periodic table. They are all in the
- electrons- An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms.
Down
- change- Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition.
- the result of a chemical reaction.
- column of the periodic table. They are extremely reactive.
- equation- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas.
- of Conservation of Mass- The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time.
- Gases- The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn).
9 Clues: the result of a chemical reaction. • column of the periodic table. They are extremely reactive. • a substance that takes part in and undergoes change during a reaction. • Metals- The alkali metals are a group of elements in the periodic table. They are all in the • ...
Science Class 2023-11-20
Across
- a change in something
- the result of a chemical change
- a plant cell that contains contains chlorophyll
- dioxide C02 essential component of photosynthesis
- reaction breaks down molecules of carbon dioxide
- the supplies that are used to make a product
Down
- sugar made by plants
- a phase in plants create their own food
- power of the cell
- the process of photosynthesis that converts engery from the sun into chemical energy
- an organism that breaks down other organism
- an organism that makes its own food
- something in the air that we breath
13 Clues: power of the cell • sugar made by plants • a change in something • the result of a chemical change • an organism that makes its own food • something in the air that we breath • a phase in plants create their own food • an organism that breaks down other organism • the supplies that are used to make a product • a plant cell that contains contains chlorophyll • ...
Physical and Chemical Change 2017-09-20
Across
- original substances participating in a chemical reaction
- reaction- reactions in which heat is absorbed
- the process of depositing of layer of zinc on iron
Down
- change- when no new substance is formed
- reaction- reactions during which heat is released
- a solid in which atoms are arranged in a regular pattern
- change- when new substance is formed
7 Clues: change- when new substance is formed • change- when no new substance is formed • reaction- reactions in which heat is absorbed • reaction- reactions during which heat is released • the process of depositing of layer of zinc on iron • original substances participating in a chemical reaction • a solid in which atoms are arranged in a regular pattern
Reactions 2025-01-15
Across
- Bond ________ releases heat energy
- A chemical reaction that releases heat energy to the surroundings
- The minimum energy required to start a reaction
- The theory behind two particles reacting
Down
- A chemical reaction that absorbs heat energy from the surroundings
- This is the word used to describe molecules being in the correct position
- Bond _______ absorbs heat energy
7 Clues: Bond _______ absorbs heat energy • Bond ________ releases heat energy • The theory behind two particles reacting • The minimum energy required to start a reaction • A chemical reaction that releases heat energy to the surroundings • A chemical reaction that absorbs heat energy from the surroundings • ...
Metabolism Madness 2021-10-22
Across
- A reaction where the change in free energy is positive
- Cofactors that are organic
- This happens to an enzyme when its shape changes and it can't bind to the substrates
- The energy molecule of your cells
- Proteins that speed up chemical reactions
- A type of energy that is energy being used
Down
- A reaction where the change in free energy is negative
- The amount of disorder in a system
- Non-proteins that assist enzymes in binding to substrates
- A type of energy that is energy being stored
- All of the chemical reactions that take place in a cell
11 Clues: Cofactors that are organic • The energy molecule of your cells • The amount of disorder in a system • Proteins that speed up chemical reactions • A type of energy that is energy being used • A type of energy that is energy being stored • A reaction where the change in free energy is negative • A reaction where the change in free energy is positive • ...
Abi Filce 8g 2014-05-23
Across
- attraction holding atoms together
- a combination of symbols and numbers that shows the ratio of the diffrent kinds of auto that are particular compound
- two or more atoms joined together
- an element or compound that's found naturally found on or in rocks
- chemical reaction witch forms a sold by mixing two solution
- a liquid turns into a gas
Down
- break down into smiler parts
- break down into simpler parts
- a table showing all the elements
- a compound that contains oxygen
- the smallest part or partial of an element
- a substance that cannot be split up into anything simpler by chemical reaction
12 Clues: a liquid turns into a gas • break down into smiler parts • break down into simpler parts • a compound that contains oxygen • a table showing all the elements • attraction holding atoms together • two or more atoms joined together • the smallest part or partial of an element • chemical reaction witch forms a sold by mixing two solution • ...
Chemical & Physical Changes 2021-10-27
Across
- when chemicals bond and release or absorbed energy and causing their surroundings hotter or colder.
- When two or more substances combine and form a new substance.
- a chemical reaction that generates heat and light.
- When two liquids combine and form a solid.
Down
- when a chemical reaction radiate light differently and produces new colors.
- When a chemical reaction produces and releases gas.
- When a substance changes form, shape, or state but does not create a new substances.
7 Clues: When two liquids combine and form a solid. • a chemical reaction that generates heat and light. • When a chemical reaction produces and releases gas. • When two or more substances combine and form a new substance. • when a chemical reaction radiate light differently and produces new colors. • ...
Photosynthesis 2023-09-05
Across
- Reaction: a process in which substances are changed into others
- a sheet of tissue that lines or connects organs or cells
- a specialized part of a cell; analogous to an organ
- Energy: energy that is transmitted in the form of radiation
- Energy: energy from the sun that is converted into thermal or electrical energy
- depending on free oxygen or air
- having cells that lack membrane-bound nuclei
- diffusion of molecules through a semipermeable membrane
- the process by which a substance combines with oxygen
- a complex protein produced by cells that acts as a catalyst
- the act of keeping something for future use
- organelle in which photosynthesis takes place
- a colorless, odorless gas that is essential for respiration
- an elementary particle with negative charge
- a monosaccharide sugar that has several forms
- a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions
- pertaining to or exhibiting magnetism produced by electric charge in motion
- a process in which one substance permeates another
Down
- produced by reactions involving atomic or molecular changes
- plant tissue that conducts synthesized food substances
- the simplest structural unit of an element or compound
- a polysaccharide that is the chief constituent of all plant tissues and fibers
- formation of compounds in plants aided by radiant energy
- Energy: that part of the energy in a substance that can be released by a chemical reaction
- dioxide: a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
- a pore in a plant through which gasses and vapor can pass
- Reaction: the first stage of photosynthesis during which energy from light is used for the production of ATP
- any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
- an idea evoked by some experience
- a way of thinking or coming to mutual understanding
- a reversible chemical reaction in which one reaction is an oxidation and the reverse is a reduction
- a whole formed by a union of two or more elements or parts
- the act of decreasing something
- the supporting tissue of an organ
- the totality of surrounding conditions
- cylinder forming a long narrow part of something
- any of green pigments found in photosynthetic organisms
- any organism of microscopic size
- an organism capable of synthesizing its own food
- underground plant organ that lacks buds or leaves or nodes
- a flat, usually green part of a plant attached to a stem
41 Clues: depending on free oxygen or air • the act of decreasing something • any organism of microscopic size • an idea evoked by some experience • the supporting tissue of an organ • the totality of surrounding conditions • the act of keeping something for future use • an elementary particle with negative charge • having cells that lack membrane-bound nuclei • ...
Ch 12 Dental Implants 2025-09-23
Across
- The first stage of addition polymerization, where a free radical initiates the reaction by opening the bond between the carbon atoms of a monomer.
- Sorption The absorption of water by a material. In denture bases, this causes a slight increase in size that helps offset polymerization shrinkage
- Small molecules that serve as the basic building blocks that chemically join together to form polymers.
- Large, long-chain molecules formed from the chemical bonding of many smaller molecules (monomers).
- Resins Synthetic polymers used in prosthetic dentistry that are derived from acrylic acid.
- Reaction A type of polymerization that produces by-products such as water, hydrogen gas, or alcohol. It is not commonly used in dentistry.
- Stage The first physical stage in mixing acrylic resin, occurring immediately after the powder and liquid are combined.
- The final stage of addition polymerization, which occurs when the free radical is tied up or destroyed, stopping the growth of the polymer chain.
- Methacrylate (PMMA) The scientific name for the acrylic resin created when a liquid monomer is mixed with a powder of polymer beads and undergoes polymerization.
- The act or process of forming polymers by chemically linking monomers. All polymerization processes release heat.
- Stage The third physical stage in mixing acrylic resin, where the material becomes easily manipulated.
- Stage The final physical stage in mixing acrylic resin, where the material has a rubbery consistency and can no longer be manipulated.
Down
- Modifying agents, along with rubbers and fillers, that are added to acrylic resins to change their physical properties.
- Conductivity The ability of a material to conduct or transfer heat. Acrylic resins are poor thermal conductors.
- The presence of small or microscopic voids within a material, which can weaken it and lead to the collection of debris and microorganisms.
- The second stage of addition polymerization, which involves the process of linking monomer units to form a growing chain.
- Stage The second physical stage in mixing acrylic resin, where the powder begins to absorb the liquid.
- Polymers formed when two or more different types of monomers are chemically joined together.
- Reaction The most common type of polymerization in dentistry, which proceeds in three stages (initiation, propagation, termination) and produces no by-products.
- polymerizing A term for a chemical-curing or self-curing polymerization reaction.
- Definition
- A method of polymerization initiated by a chemical reaction, resulting in a material that is softer and weaker than heat-cured resins.
- A polymerization method initiated by the application of heat, resulting in a stronger, harder, and less porous material.
23 Clues: Definition • polymerizing A term for a chemical-curing or self-curing polymerization reaction. • Resins Synthetic polymers used in prosthetic dentistry that are derived from acrylic acid. • Polymers formed when two or more different types of monomers are chemically joined together. • ...
Unit 1 Lesson 2&3 Vocabulary 2023-10-06
Across
- process that uses oxygen to release the energy stored in food molecules
- starting substance in a chemical reaction
- representation of the energy available at each level of a food web
- measure of the rate of conversion of the sun's energy into matter by the producers in an ecosystem
- process in which yeast release energy
- when there isn't enough oxygen available for cellular respiration organisms can release energy from sugars
- pathway that energy and matter can flow through an ecosystem
- cell structures capture light energy from the sun that are found in producers to carry out photosynthesis
Down
- process where water moves continuously through Earth's systems
- when muscles run out of energy this creates an alternative energy source that makes muscles sore
- series of chemical reactions in which the cells of producers use energy from the sun to make carbon-based food molecules
- process where carbon moves continuously through Earth's systems
- process where nitrogen moves continuously through Earth's systems
- process in which atoms are rearranged to produce new substances
- fuels that are produced from plant or animal matter
- interconnected food chains that shows how energy and matter can flow from an ecosystem
- made from decomposed plants and animals that have been buried in the ground for millions of years
- substance formed in a chemical reaction
18 Clues: process in which yeast release energy • substance formed in a chemical reaction • starting substance in a chemical reaction • fuels that are produced from plant or animal matter • pathway that energy and matter can flow through an ecosystem • process where water moves continuously through Earth's systems • ...
Arson Vocabulary 2024-04-03
Across
- A reaction that releases heat as energy.
- Ignition of organic material without an apparent cause.
- Black powdery substance made up of mostly carbon produced by the incomplete burning of organic matter.
- Texture after burning described as blistered.
- A reaction that absorbs heat from the surrounding area.
- Any willful burning of a dwelling, building, vehicle, etc.
- U-shaped burn pattern.
Down
- When a fire has just begun and is big enough for the use of a breathing apparatus.
- A temperature when organic materials give off enough vapor to ignite in air.
- A chemical reaction between substances including oxygen that generates a flame.
- The act of setting something on fire.
- A substance used to aid the spread of fire.
- Decomposition due to high temperatures.
- Occurs when a hot gas layer of a fire ignites.
- A reaction which oxygen is added to or hydrogen is removed from an element, molecule or compound.
15 Clues: U-shaped burn pattern. • The act of setting something on fire. • Decomposition due to high temperatures. • A reaction that releases heat as energy. • A substance used to aid the spread of fire. • Texture after burning described as blistered. • Occurs when a hot gas layer of a fire ignites. • Ignition of organic material without an apparent cause. • ...
Chemical Equations 2020-03-11
Across
- Phase changes are _____ chemical reactions.
- The number of arrows in a chemical equation.
- Symbol for "heat".
- Two clear liquids mix and become cloudy is the formation of a ________.
- The symbol for ______ is (s).
- The beaker got warm; this is the _______ of heat.
- Aqueous means _______ in water.
- What you end up with.
- Never change a _________, just add a coefficient.
- The symbol for ______ is (aq).
Down
- Number used to balance an equation.
- What you start with.
- A red liquid and a colorless liquid are mixed and turn blue is an ______ color change.
- The symbol for ______ is (l).
- Matter is _____________ in a chemical reaction.
- A solid and a liquid are mixed and bubble furiously is the production of a _____.
- Symbol for "and".
- Symbol for "forms".
- The symbol for ____ is (g).
19 Clues: Symbol for "and". • Symbol for "heat". • Symbol for "forms". • What you start with. • What you end up with. • The symbol for ____ is (g). • The symbol for ______ is (l). • The symbol for ______ is (s). • The symbol for ______ is (aq). • Aqueous means _______ in water. • Number used to balance an equation. • Phase changes are _____ chemical reactions. • ...
Chemical Reactions and Equations 2024-05-08
Across
- A compound used in the manufacture of cement.
- Black colour product in the oxidation of Copper.
- AB+CD--->AD+CB
- Reaction in which substance gains oxygen or loses hydrogen.
- Used in the whitewashing of walls.
- Setup in which Electrolysis of water is performed.
- Colour of product when Silver chloride is exposed to sunlight.
Down
- Type of Reaction : 2AgBr(s)--->2Ag(s)+2Br(s)
- Insoluble yellow precipitate formed in the chemical reaction between Potassium Iodide and Lead Nitrate.
- Slow or gradual destruction of a metal when exposed to air and moisture.
- In this reaction, there is always a gain of electrons.
- Most reactive metal on Reactivity Series.
- Colourless solution formed when Carbon Dioxide is passed through lime water.
13 Clues: AB+CD--->AD+CB • Used in the whitewashing of walls. • Most reactive metal on Reactivity Series. • Type of Reaction : 2AgBr(s)--->2Ag(s)+2Br(s) • A compound used in the manufacture of cement. • Black colour product in the oxidation of Copper. • Setup in which Electrolysis of water is performed. • In this reaction, there is always a gain of electrons. • ...
stoichiometry Vocabulary 2024-05-20
Across
- The percent by mass of each element in a compound
- Refers to the number of atoms,Particles, or Molecules in one mole
- A substance that is not completely consumed in a chemical reaction; left-overs
- A conversion factor that relates the amounts of a substance in moles to any other substance involved in a chemical reaction
Down
- A substance that restricts the progress of a chemical reactant because it is completely consumed in the chemical reaction
- The unit that represents the amount of a substance
- The accounting,or math,behind chemistry; Used to calculate masses,moles,& percents
7 Clues: The percent by mass of each element in a compound • The unit that represents the amount of a substance • Refers to the number of atoms,Particles, or Molecules in one mole • A substance that is not completely consumed in a chemical reaction; left-overs • The accounting,or math,behind chemistry; Used to calculate masses,moles,& percents • ...
Chapter 13 Will Parquet 2019-10-01
Across
- this substance is neutral on the pH scale
- accepts a hydrogen ion
- in this reaction the plus sign is on the left
- the energy it takes to break the bonds an to make a reaction happen
- in this type of distribution two elements changes teams
Down
- in this reaction the plus sign is om the right
- what type of reactions are difficult to reverse
- in this reaction it creates oxides
- donates a hydrogen ion
- in this type of distribution one element changes teams
10 Clues: donates a hydrogen ion • accepts a hydrogen ion • in this reaction it creates oxides • this substance is neutral on the pH scale • in this reaction the plus sign is on the left • in this reaction the plus sign is om the right • what type of reactions are difficult to reverse • in this type of distribution one element changes teams • ...
Enzymes 2023-09-06
Across
- The reactant on which an enzyme works.
- The part of an enzyme that combines with the substrate
- All of the metabolic reactions taking place inside the cell.
Down
- Inside cells
- Release of substances from cells or tissues.
- Substance that speeds up a reaction, without itself being used up in the reaction
- Outside cells
- Chemical reactions inside the cell.
- Proteins that speed up a reaction without being used up in the reaction
- When an enzyme's structure is changed, including the shape of the active site
10 Clues: Inside cells • Outside cells • Chemical reactions inside the cell. • The reactant on which an enzyme works. • Release of substances from cells or tissues. • The part of an enzyme that combines with the substrate • All of the metabolic reactions taking place inside the cell. • Proteins that speed up a reaction without being used up in the reaction • ...
Science Vocab 2020-10-13
Across
- a chemical element that mostly lacks the characteristics of a metal
- an ion with a positive charge
- a distinct and homogeneous form of matter
- an ion with a negative charge
- the distribution of electrons of an atom or molecule in atomic or molecular orbitals
- a compound composed of a monatomic metal cation and a monatomic nonmetal anion
- name given to a horizontal row of the periodic table
- a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity
- an electron of an atom located in the outermost shell
Down
- a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties
- a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- any of the chemical elements belonging to the s and p blocks of the periodic table
- an element whose properties are intermediate between those of metals and solid nonmetals or semiconductors.
- a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions
- name given to a vertical column of the periodic table
- A figure, letter, or symbol written below and to the side of another
- a group of elements with similar chemical properties
- a chemical bond that involves the sharing of electron pairs between atoms
- a substance formed from two or more elements chemically united in fixed proportions
- a substance composed of exactly two different elements, which are substances that cannot be simplified further by chemical means
- the general tendency of a set of data to change
- a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule
23 Clues: an ion with a positive charge • an ion with a negative charge • a distinct and homogeneous form of matter • the general tendency of a set of data to change • a group of elements with similar chemical properties • name given to a horizontal row of the periodic table • name given to a vertical column of the periodic table • ...
Chapter 15 - Gradation, Weathering & Mass Wasting 2025-07-02
Across
- a landslide involving large blocks of rock moving downslope
- the free fall of rock from a steep cliff or slope
- the downslope movement of soil or rock under the influence of gravity
- fine-grained, wet sediment
- a mix of rock fragments, soil, and other material produced by erosion or weathering
- the movement of eroded material from one location to another
- the slow flow of water-saturated soil over frozen ground in cold climates
- uneven weathering that creates varied landscape features
- a slow to rapid flow of water-saturated soil downslope
- a type of mass movement where material moves down a curved surface
- a rounded mountain formed by exfoliation
- the chemical reaction of minerals with oxygen, often forming rust
- the breakdown of rocks at Earth’s surface by physical or chemical processes
- a cone-shaped accumulation of talus at the base of a slope
Down
- a form of chemical weathering that rounds rock edges and corners
- the breakdown of rocks through chemical reactions that alter their minerals
- the chemical reaction of minerals with water, breaking them down
- a type of physical weathering where water freezes in cracks and expands
- the steepest angle at which loose material remains stable
- a volcanic mudflow consisting of ash, debris, and water
- a chemical weathering process where minerals absorb water and expand
- a pile of broken rock fragments at the base of a cliff or slope
- a fast-moving flow of rock, soil, and water
- a chemical weathering process involving carbonic acid reacting with rock
- the removal and transport of soil or rock by water, wind, ice, or gravity
- a flowing mixture of mud and water, often triggered by heavy rain
- the very slow movement of soil or rock downhill
- weathering (salt wedging) physical weathering caused by salt crystal growth in rock pores
- the chemical breakdown of rock minerals into new substances
- a sudden and rapid movement of a large mass of earth material
- the laying down of sediment or material after transport
- the breakdown of rocks without changing their chemical composition
- a rapid flow of snow, ice, and debris down a slope
- a large, curved slab of rock that peels off from a surface
- the peeling of outer rock layers due to pressure release
- the process of rock dissolving in water
- a mineral deposit formed by the evaporation of water
37 Clues: fine-grained, wet sediment • the process of rock dissolving in water • a rounded mountain formed by exfoliation • a fast-moving flow of rock, soil, and water • the very slow movement of soil or rock downhill • the free fall of rock from a steep cliff or slope • a rapid flow of snow, ice, and debris down a slope • a mineral deposit formed by the evaporation of water • ...
Crossword 2015-09-25
Across
- bonding an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
- protein coordinate body activities such as insulin which regulates the amount of sugar in the blood.
- any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies
- (of a reaction or process) accompanied by the release of heat.
- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water
- a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline
- protein help control movement such as proteins in the muscles which help control contraction.
- the process of breaking down food by mechanical and enzymatic action into substances that can be used by the body.
- reaction transformation of one molecule to a different molecule inside a cell and mediated by enzymes
- form the basic structural unit of a nucleic acid
- protein protein that accelerates the speed of chemical reactions such as digestive enzymes which break down food in the digestive tract
- a substance produced by a living organism that acts as a catalyst to speed up a specific biochemical reaction.
- acid a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
- a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
Down
- energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
- a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
- protein move many substances throughout the body. An example is hemoglobin that transports oxygen from the lungs to the other parts of the body to be used by cells in cellular respiration
- protein used for support such as connective tissue and keratin that forms hair and finger nails.
- the chemical processes that occur within a living organism in order to maintain life.
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- a molecule that can be bonded to other identical molecules to form a polymer.
- acids a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- a molecule that binds to an enzyme and decreases its activity
24 Clues: form the basic structural unit of a nucleic acid • a molecule that binds to an enzyme and decreases its activity • (of a reaction or process) accompanied by the release of heat. • a molecule that can be bonded to other identical molecules to form a polymer. • (of a reaction or process) accompanied by or requiring the absorption of heat. • ...
Andrews Crossword 2015-09-25
Across
- a molecule that binds to an enzyme and decreases its activity
- a substance produced by a living organism that acts as a catalyst to speed up a specific biochemical reaction.
- any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies
- the chemical processes that occur within a living organism in order to maintain life.
- a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
- reaction transformation of one molecule to a different molecule inside a cell and mediated by enzymes
- a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline
- Alphabetical
- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water
- form the basic structural unit of a nucleic acid
- a molecule that can be bonded to other identical molecules to form a polymer.
- a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
Down
- acids a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- (of a reaction or process) accompanied by the release of heat.
- the process of breaking down food by mechanical and enzymatic action into substances that can be used by the body.
- protein coordinate body activities such as insulin which regulates the amount of sugar in the blood.
- protein used for support such as connective tissue and keratin that forms hair and finger nails.
- any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
- protein help control movement such as proteins in the muscles which help control contraction.
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
- acid a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
- bonding an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- protein protein that accelerates the speed of chemical reactions such as digestive enzymes which break down food in the digestive tract
- protein move many substances throughout the body. An example is hemoglobin that transports oxygen from the lungs to the other parts of the body to be used by cells in cellular respiration
25 Clues: Alphabetical • form the basic structural unit of a nucleic acid • a molecule that binds to an enzyme and decreases its activity • (of a reaction or process) accompanied by the release of heat. • a molecule that can be bonded to other identical molecules to form a polymer. • (of a reaction or process) accompanied by or requiring the absorption of heat. • ...
Chemistry 2025-08-14
Across
- The study of reaction rates.
- The surface phenomenon where molecules stick to a solid.
- The bond formed by sharing electron pairs.
- A type of solid that has a fixed shape but no regular arrangement of particles.
- The p-block element used in making matches.
- A method to measure an unknown concentration using a standard solution.
Down
- A paint ingredient that provides color.
- The energy needed to start a reaction.
- A hard, transparent material made by melting silica.
- A type of crystal made of ions arranged in a lattice.
- The color change at the endpoint of a titration caused by this.
- A compound that speeds up a chemical reaction without being consumed.
- The slow reaction of a metal with oxygen and water.
- The element in group 17 known for killing germs.
- The process of separating mixtures using a mobile and stationary phase.
15 Clues: The study of reaction rates. • The energy needed to start a reaction. • A paint ingredient that provides color. • The bond formed by sharing electron pairs. • The p-block element used in making matches. • The element in group 17 known for killing germs. • The slow reaction of a metal with oxygen and water. • A hard, transparent material made by melting silica. • ...
Vocabulary Quiz Study Guide 2024-01-29
Across
- The chemical reaction that some organisms use to synthesize food, glucose, from carbon dioxide, CO2, and water, H2O, in the Chloroplasts of a plant cell.
- The movement of matter, anything that has mass and takes up space, between Earth, the atmosphere, and living organisms.
- is the basic building unit of a plant organism. It contains chloroplasts for photosynthesis, a cell wall for support, and a large vacuole for storage.
- is a group of things or parts that work together, such as cells or organs, to accomplish the desired outcome.
- Any material/ matter that can react with other substances to release energy.
- is the basic building structure of an animal organism.
Down
- is a part of a cell. Each cell part has a specific function that aids in the cell’s survival.
- Food that’s been changed from its original form before we eat it. It can be chemically processed where the molecules of the natural food change through a chemical reaction to form a new molecule. (synthetic: Splenda)It can be physically processed where the food molecule is still the same but the form of the food is different(Ground up: flour from wheat)
- A substance found in the nucleus of cells that contains information about the characteristics of that living thing. It plays a part in the passing of characteristics from parent to offspring.
- What is put into the system. (In a chemical reaction these are called reactants.)
- Made with chemicals formed in a laboratory instead of something found in nature.
- Whatever comes out of the system. (In a chemical reaction these are called products.)
- Food that is made by a plant or animal that is eaten in its natural form.
- Without any changes that humans are capable of making, especially through the use of science and technology. Produced by nature or natural processes.
14 Clues: is the basic building structure of an animal organism. • Food that is made by a plant or animal that is eaten in its natural form. • Any material/ matter that can react with other substances to release energy. • Made with chemicals formed in a laboratory instead of something found in nature. • ...
vocab unite 6B 2017-04-09
Across
- change Physical changes occur when objects or substances undergo a change that changes the physical form of a composition but not the chemical composition
- of Conservation of Mass The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed. Hence, the quantity of mass is "conserved" over time
- electrons An electron in an outer shell of an atom that can participate in forming chemical bonds with other atoms
- a substance that takes part in and undergoes change during a reaction
Down
- Metals The alkali metals are a group of elements in the periodic table. They are all in the
- the result of a chemical reaction
- equation A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulas
- Gases The noble gases make a group of chemical elements with similar properties. Under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity. The six noble gases that occur naturally are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn)
- column of the periodic table. They are extremely reactive
9 Clues: the result of a chemical reaction • column of the periodic table. They are extremely reactive • a substance that takes part in and undergoes change during a reaction • Metals The alkali metals are a group of elements in the periodic table. They are all in the • ...
Evie’s Science Crossword 2022-03-24
Across
- Very small with a negative charge
- Reaction, The atoms don’t change
- Mixture of elements
- The smallest unit
- An object used to measure temperature
- the positively charged central core of an atom
- A high temperature
- bond, Moves from one atom to another
- Equilibrium, Two objects reach the same temperature
Down
- Is equal in charge as an electron but positive
- Bond, Share an electron
- A physical substance which occupies space
- Reaction, The atoms rearrange and make something new
- Is in every atomic nucleus except ordinary hydrogen
- The ability to do work
15 Clues: The smallest unit • A high temperature • Mixture of elements • The ability to do work • Bond, Share an electron • Reaction, The atoms don’t change • Very small with a negative charge • bond, Moves from one atom to another • An object used to measure temperature • A physical substance which occupies space • Is equal in charge as an electron but positive • ...
matter and change 2025-02-03
Across
- center of an atom
- have different properties than their elements
- a mixture made up of particles that are distributed
- beginning substances that start a reaction
- poor conductors of heat and electricity
- changes
Down
- substances that are formed during a reaction
- can be hammered or rolled
- when a chemical is changed into one or more
- energy that is easily transfered
- measure of the amount of space
- measure of the amount of matter
- anything with mass that requires space
- produces bubbling fizz and odor change
- smallest unit of an element
15 Clues: changes • center of an atom • can be hammered or rolled • smallest unit of an element • measure of the amount of space • measure of the amount of matter • energy that is easily transfered • anything with mass that requires space • produces bubbling fizz and odor change • poor conductors of heat and electricity • beginning substances that start a reaction • ...
Metabolism shaw 2024-11-25
Across
- _____ brakes down your food
- _____ it help slow down digestion
- _____ pumps blood to your body
- System ____ it digests the food we eat
- makes you tiered
- _____ tacks in your air you breathe
- dioxide_____ you breathe in this molecule
Down
- makes it harder to breathe
- gives you energy
- ____it makes you not have enough insulin
- _____ they travel though the body
- ______ this is a molecule found in meat
- reaction _____ a reaction that happens in your body
- ______ blood cells travel through your circulatory system.
- comes from starch
15 Clues: gives you energy • makes you tiered • comes from starch • makes it harder to breathe • _____ brakes down your food • _____ pumps blood to your body • _____ they travel though the body • _____ it help slow down digestion • _____ tacks in your air you breathe • System ____ it digests the food we eat • ______ this is a molecule found in meat • ____it makes you not have enough insulin • ...
Scientific Method Crossword 2025-06-02
15 Clues: Nucleus • DNA & RNA • To Change • No Nucleus • To Measure • Codon (Code) • Makes Proteins • Educated guess • Stays the same • Movement in water • Things in balance • Breaks down into glucose • Replicates DNA (Mitosis) • Theory ¨Wash your Hands¨ • Enzymes chemical reaction to body structures
Elementos 2023-04-14
Across
- The smallest unit of matter.
- each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter.
- a group is a column of elements in the periodic table of the chemical elements.
- Reaction A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another.
- cloud the system of electrons surrounding the nucleus of an atom.
Down
- Anything that has mass and takes up space.
- The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom
- Ability to react with other elements.
- A small particle with a negative charge that is found in all atoms.
- Neutral subatomic particle that is a constituent of every atomic nucleus except ordinary hydrogen
10 Clues: The smallest unit of matter. • Ability to react with other elements. • Anything that has mass and takes up space. • A small particle with a negative charge that is found in all atoms. • cloud the system of electrons surrounding the nucleus of an atom. • a group is a column of elements in the periodic table of the chemical elements. • ...
Evie’s Crossword 2022-03-24
Across
- the ability to do work
- the positively charged central core of an atom
- Mixture of elements
- Bond Share an electron
- The smallest unit
- Very small with a negative charge
- Two objects reach the same temperature
Down
- Reaction The atoms don’t change
- is in every atomic nucleus except ordinary hydrogen
- A high temperature
- Reaction The atoms rearrange and make something new
- A physical substance which occupies space
- An object used to measure temperature
- Is equal in charge as an electron but positive
- bond, Moves from one atom to another
15 Clues: The smallest unit • A high temperature • Mixture of elements • the ability to do work • Bond Share an electron • Reaction The atoms don’t change • Very small with a negative charge • bond, Moves from one atom to another • An object used to measure temperature • Two objects reach the same temperature • A physical substance which occupies space • ...
Balancing Chemical Equations Vocabulary 2022-10-05
Across
- Where the change occurs in a chemical reaction
- Law that states mass is never created or destroyed.
- A equation consisting of Reactants and Products divided by an arrow.
Down
- Anything that has mass and takes up space.
- Not equal on both sides of a chemical equation.
- The number before the compound
- Equal on both sides of a chemical equation
- Quantitative measure of inertia
- Before the arrow in a chemical equation.
- After the arrow in a chemical equation.
10 Clues: The number before the compound • Quantitative measure of inertia • After the arrow in a chemical equation. • Before the arrow in a chemical equation. • Anything that has mass and takes up space. • Equal on both sides of a chemical equation • Where the change occurs in a chemical reaction • Not equal on both sides of a chemical equation. • ...
Chemical Reactions 2022-12-07
Across
- chemical ____- force holding atoms together
- measure of how fast particles are moving
- ________ theory- particles must collide
- used to calculate reaction rate
Down
- a force applied over a certain area
- process of pushing particles together
- number of particles in a certain area
- reaction ______- speed in which a reaction occurs
- these particles have more energy
9 Clues: used to calculate reaction rate • these particles have more energy • a force applied over a certain area • process of pushing particles together • number of particles in a certain area • ________ theory- particles must collide • measure of how fast particles are moving • chemical ____- force holding atoms together • reaction ______- speed in which a reaction occurs
From Crude Oil to Fuels - MexCanadian 2018-04-27
Across
- A substance that helps a chemical reaction by making it faster but is not consumed by it.
- A surface phenomenon that occurs at any temperature in which molecules at the liquid edge escape as vapor.
- ... is the name of gasoline in England.
- Adjective for the process of causing a solute to pass into a solution.
- Laboratoy or industrial instrument used in the distillation of liquid mixtures based on the differences in volatilities.
- Sepatation technique in which heat is applied to a liquid so that the resulting vapor is collected and condensed.
- The phenomenon of gas turning to liquid is ...
- General chemical formula of a hydrocarbon
Down
- The chemical decomposition of a large alkane into alkenes that are smaller and more useful.
- German chemist
- Large hydrocarbons are broken down by applying high heat and pressure in a process called ... cracking.
- Chemical reaction of a compound that produces heat and light by energy released for having come in contact with oxygen.
- A process where a certain mixture is separated into a number of smaller quantities or fractions.
- ... crackig is preferred by industry because it uses less temperatures and pressures.
- The temperature of the vapor pressure of a liquid equals the athmospheric pressure surrounding it is the ... point.
15 Clues: German chemist • ... is the name of gasoline in England. • General chemical formula of a hydrocarbon • The phenomenon of gas turning to liquid is ... • Adjective for the process of causing a solute to pass into a solution. • ... crackig is preferred by industry because it uses less temperatures and pressures. • ...
Cellular Respiration 2025-06-02
Across
- first step of cellular respiration
- final electron acceptor in the etc
- A reaction that releases energy
- atp production using energy from ETC
- Inner area of the mitochondrion
- gas released during Krebs cycle
- enzyme that synthesizes atp
- chain of proteins passing electrons to pump protons
- space between inner and outer mitochondrial membranes
Down
- process of using proton gradient to make atp
- Type of respiration requiring oxygen
- Loss of electrons in a chemical reaction
- reactions generating electron carriers and co2
- end product of glycolysis
- electron carrier;reduced during respiration
15 Clues: end product of glycolysis • enzyme that synthesizes atp • A reaction that releases energy • Inner area of the mitochondrion • gas released during Krebs cycle • first step of cellular respiration • final electron acceptor in the etc • Type of respiration requiring oxygen • atp production using energy from ETC • Loss of electrons in a chemical reaction • ...
Biology IGCSE 2023-06-19
Across
- chemical messages passed along a synapse
- chemical used to test for starch
- a gap between two neurones
- they break down dead organisms
- 1% of the blood
- where bile is produced
- what insulin converts glucose into
- performs reaction to a stimulus
- a parasitic pathogen
- blood vessels getting bigger when the body is too hot
- enzyme produced by the salivary glands
- a group of the same species of animals in an ecosystem
- chemical that absorbs sunlight
- a harmful chemical produced during anaerobic respiration in animals
- a white blood cell engulfing a pathogen
- what produces insulin?
Down
- the movement of sugars through the plant
- a system for the release of hormones
- clots blood
- prevents backflow in a vein
- hormone released when there is a decrease in glucose in the body
- the heart's biggest artery, on its left ventricle
- blood on the left side of the heart
- part of the cell that produces proteins
- ___ arteries supply oxygen to the heart
- chemical produced during anaerobic respiration in plants
- keyword for veins and arteries meaning 'lungs'
- where all chemical reactions in a cell takes place
- muscle that sends electric current to the heart
- foreign substance on the cell wall of a pathogen
30 Clues: clots blood • 1% of the blood • a parasitic pathogen • where bile is produced • what produces insulin? • a gap between two neurones • prevents backflow in a vein • they break down dead organisms • chemical that absorbs sunlight • performs reaction to a stimulus • chemical used to test for starch • what insulin converts glucose into • blood on the left side of the heart • ...
Enzymes 2012-11-06
Across
- the active site has a particular one
- makes chemical reactions in the body go very quickly
- speeds up chemical reactions
- where chemical reactions take place in a cell
- broken down by maltase
- two make maltose
Down
- an enzyme only works for one reaction
- acids that join to form enzymes
- breaks down lactose
- the building block of living things
10 Clues: two make maltose • breaks down lactose • broken down by maltase • speeds up chemical reactions • acids that join to form enzymes • the building block of living things • the active site has a particular one • an enzyme only works for one reaction • where chemical reactions take place in a cell • makes chemical reactions in the body go very quickly
Year 9 Science - Investigating Reactions 2013-04-10
Across
- How animals obtain their energy
- Made in the process of photosynthesis
- Used to measure acidity
- A chemical change of the absorption of heat
- A acid formed in the stomach
Down
- Chemical reaction that produces glucose
- A chemical change of the lose of heat
- A compound that forms hydroxyl ions
- A corrosive substance
- Used in photosynthesis
10 Clues: A corrosive substance • Used in photosynthesis • Used to measure acidity • A acid formed in the stomach • How animals obtain their energy • A compound that forms hydroxyl ions • A chemical change of the lose of heat • Made in the process of photosynthesis • Chemical reaction that produces glucose • A chemical change of the absorption of heat
Matter and Change Chemistry Crossword 2025-08-14
Across
- substances that are formed during a reaction
- energy energy possessed by an object's position
- the amount of matter in the sample
- beginning substances that start a reaction
- not easily reversed
- a pure substance made of only one kind of atom
- substance matter that has a definite composition
- a measure of the amount of matter
- the capacity to do work or transfer heat
Down
- process that absorbs energy
- properties a property that can be observed or measured
- the type of matter, not the amount present
- process that releases energy into surroundings
- the smallest unit of an element that maintains the properties of the element
- a three dimensional measure of space
- of conservation of mass mass can't be created or destroyed. it remains the same during a chemical reaction
16 Clues: not easily reversed • process that absorbs energy • a measure of the amount of matter • the amount of matter in the sample • a three dimensional measure of space • the capacity to do work or transfer heat • the type of matter, not the amount present • beginning substances that start a reaction • substances that are formed during a reaction • ...
Chemical Reactions and Equations 2021-08-18
10 Clues: gain of oxygen • barium sulphate • heat is absorbed • heat is released • added to prevent rancidity • Hydrogen reacts with oxygen • reaction carried out by electricity • formed when copper reacts with oxygen • substances take part in chemical reaction • gain of hydrogen rusting common corrosion of metals
Processing Specimens 2021-10-26
Across
- a method of urinalysis involving the use of plastic strips with pads containing a substance that causes a specific chemicals reaction.
- a lab that is outside patients care facility and can perform many more types of testing than are available at the average hospital's laboratory.
- A method of transportation and distribution of laboratory test results and other documents.
- also known as biohazard, any biological ask to organisms.
- sample specimens with known laboratory values, used prior to processing a patients sample.
- to divide specimens into smaller portions
- a lab testing result outside of the expected reference range that can be life threatening.
- samples of legal value in a civil criminal case.
- a device that spins a lab specimens at high speeds to separate the samples into their components for testing purposes
Down
- the chronological documention(paper trail) showing the acquisitions custody, control, transfer, analysis, and disposition of specimens that provide evidence.
- injection of blood cells or blood subsitutes to increase athletic endurance by boosting the bloodstreams oxygen carrying capacity.
- an evaluation of urine by physical chemical, are microscopic testing.
- the concentration of alcohal in a persons blood stream.
- an abnormal reaction to or a change resulting from exposure to light.
- a chemical substance that reacts in specific, predictable ways to detect or synthesize other substances in chemical reaction.
- medication for patients who have had chemotherapy that had cancer, also use ilicity by some athletes to boost production of red blood cells and thus increase endurance.
- a solution(such as water or saline) that reduces the concentrate on of a specimen.
- at or near by patient or at the patients beside.
18 Clues: to divide specimens into smaller portions • samples of legal value in a civil criminal case. • at or near by patient or at the patients beside. • the concentration of alcohal in a persons blood stream. • also known as biohazard, any biological ask to organisms. • an evaluation of urine by physical chemical, are microscopic testing. • ...
Unit 2 Plant Growth Botany Vocabulary 2024-03-15
Across
- The ability to do work.
- The main support for the plant. Holds the plant up.
- A plant structure with a flat surface loaded with chloroplasts to collect sunlight for photosynthesis
- Plants go through this chemical reaction.
- A pigment that is found in chloroplast.
- The part of the plant that contains the earliest form of the plants roots, stems, and leaves.
- The state in a seeds life when it is inactive and not growing
Down
- Smallest unit of life.
- The part of a plant that anchors it in the soil and absorbs water and nutrients for plant growth.
- A part of a cell that contains chlorophyll
- The upper layer of Earth (DIRT)
- "Powerhouse of the cell"
- Respiration HUMANS go through this chemical reaction.
13 Clues: Smallest unit of life. • The ability to do work. • "Powerhouse of the cell" • The upper layer of Earth (DIRT) • A pigment that is found in chloroplast. • Plants go through this chemical reaction. • A part of a cell that contains chlorophyll • The main support for the plant. Holds the plant up. • Respiration HUMANS go through this chemical reaction. • ...
Chemical Reactions and Equations 2021-08-18
10 Clues: gain of oxygen • barium sulphate • heat is released • heat is absorbed • added to prevent rancidity • Hydrogen reacts with oxygen • reaction carried out by electricity • formed when copper reacts with oxygen • substances take part in chemical reaction • gain of hydrogen rusting common corrosion of metals
Weathering, Erosion and Deposition 2021-09-21
Across
- type of weathering where the minerals bonds are break apart
- the process of physical and chemical breakdown of rocks
- word that means dry climate
- these grow into cracks of rocks and break them apart (2 words)
- type of chemical weathering involving the reaction with oxygen
- this forms sand dunes
- type of weathering that can be caused by animals
Down
- type of chemical weathering involving acid rain
- type of valley formed by glaciers
- type of physical weathering consisting of falling debris
- process in which sediment is laid down in flat layers
- type of beach landform caused by waves
- this moves sediment the most with erosion
13 Clues: this forms sand dunes • word that means dry climate • type of valley formed by glaciers • type of beach landform caused by waves • this moves sediment the most with erosion • type of chemical weathering involving acid rain • type of weathering that can be caused by animals • process in which sediment is laid down in flat layers • ...
Changes Around Us 2017-05-27
6 Clues: damage caused to metal • result after a chemical reaction • substance that take part during a reaction • a brown coating of iron oxide formed om steel • the energy required to start a chemical reaction • substances that are required in chemical change byt do not cahnge itself
Combustion 2023-03-03
Across
- Any element that is shiny when polished, conducts heat and electricity well
- The variable that you chose the values of in an investigation.
- Chemical reaction with oxygen
- A substance that scientists once thought explained why things burn.
- How the warming effect on the Earth’s surface is named
Down
- A reaction that gives out energy that can be felt as it heats the surroundings.
- A condition in which the tiny tubes leading to the alveoli become narrow and start to fill with mucus.
- A substance that can harm the environment or the organisms that live there.
- A compound of a metal or non-metal with oxygen
- This property is conserved during a chemical reaction.
10 Clues: Chemical reaction with oxygen • A compound of a metal or non-metal with oxygen • This property is conserved during a chemical reaction. • How the warming effect on the Earth’s surface is named • The variable that you chose the values of in an investigation. • A substance that scientists once thought explained why things burn. • ...
Chem 2023-05-09
Across
- The energy generated from the movement of atoms.
- The heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).
- Energy is transferred through light rays/waves.
- The type of reaction which absorbs heat.
- The substances that produce products in a reaction.
- The process of transfer of energy through direct contact.
- The energy contained within a system that is responsible for its temperature.
- The science of determining the change in energy of a system by measuring the heat exchange of the system with the surroundings.
Down
- The heat absorbed by a unit mass of a given solid at its melting point that completely converts the solid to a liquid at the same temperature: equal to the heat of solidification.
- The movement of heat by a moving liquid or gas.
- It is the amount of energy that must be added to a liquid substance to transform a quantity of that substance into a gas.
- A unit of energy, often used to express the nutritional value of foods, equivalent to the heat energy needed to raise the temperature of 1 kilogram of water by 1 °C.
- The branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.
- The substances that are the results from a chemical reaction.
- Energy which a body possesses by virtue of being in motion.
- The type of reaction that releases heat.
- It is equal to the work done by a force of one newton acting through one metre.
- A scale of temperature on which water freezes at 0° and boils at 100° under standard conditions.
- A absolute thermodynamic temperature scale
19 Clues: The type of reaction which absorbs heat. • The type of reaction that releases heat. • A absolute thermodynamic temperature scale • The movement of heat by a moving liquid or gas. • Energy is transferred through light rays/waves. • The energy generated from the movement of atoms. • The substances that produce products in a reaction. • ...
Chemistry Unit Study Guide 2016-02-10
Across
- Going left to right in a row on the P.T.
- They have higher conductivity than Metals
- What you get from a reaction
- Coating one metal with another
- They are made up of Atoms and are fused by chemical bonds
- The center of the atom
- The mass of an Element
- Electrons found on the outermost shell
- Particles with negative charge
- Smallest part of an element
- A reaction where energy is released
- What you get to start a reaction
- The way to order Elements by number
- The simplified version of how to write an element
- They are solid, shiny, ductile, and malleable
Down
- Regions of Space outside the nucleus of an atom
- Chemist who proposed the idea for the periodic table
- Somthing comprised of 2 or more elements
- Elements that don't combine with others
- Going top to bottom in a column on the P.T.
- The opposite of Metals
- Whatever mass you start with you must end with
- A reaction where energy is absorbed
- Matter that makes up the universe
- Particles with a positive charge
- Particles with no charge
26 Clues: The opposite of Metals • The center of the atom • The mass of an Element • Particles with no charge • Smallest part of an element • What you get from a reaction • Coating one metal with another • Particles with negative charge • Particles with a positive charge • What you get to start a reaction • Matter that makes up the universe • A reaction where energy is absorbed • ...
Advance Chem Crossword 2021-02-22
Across
- the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound.
- group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- It's chemical formula is NaHCO3
- the SI base unit of thermodynamic temperature
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- convenient unit to use because of the great number of atoms, molecules, or others in any substance.
- It's chemical formula is C4H4K2O6
- element that has an atomic weight of 1
- of substances
Down
- it's chemical formula is H₂SO₄
- calculated from a molecular formula by dividing the mass of a single element in one mole of a compound by the mass of one mole of the entire compound.
- the basic unit of a chemical element.
- It's chemical formula is C8H18
- the degree of compactness of a substance.
- the science that deals with the properties, composition, and s
- the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- It's chemical formula is CaCO3
- An Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules.
- Element that has an atomic mass of 10.81
- a coherent, typically large body of matter with no definite shape.
- 6.022 x10 23
21 Clues: 6.022 x10 23 • of substances • it's chemical formula is H₂SO₄ • It's chemical formula is C8H18 • It's chemical formula is CaCO3 • It's chemical formula is NaHCO3 • It's chemical formula is C4H4K2O6 • the basic unit of a chemical element. • element that has an atomic weight of 1 • Element that has an atomic mass of 10.81 • the degree of compactness of a substance. • ...
Chemical reactions crossword 2022-03-30
Across
- How reactive a material is
- This occurs when chemical bonds are broken and remade
- This reacts with metals to form metal oxides
- A chemical that contains oxygen and one other type of atom
Down
- The reaction that occurs when an acid and an alkali mix
- The gas produced when metals react with acids or water
- The common name for Iron oxide
- A product of neutralisation reactions
- Metal + Acid --> Salt + Hydrogen
9 Clues: How reactive a material is • The common name for Iron oxide • Metal + Acid --> Salt + Hydrogen • A product of neutralisation reactions • This reacts with metals to form metal oxides • This occurs when chemical bonds are broken and remade • The gas produced when metals react with acids or water • The reaction that occurs when an acid and an alkali mix • ...
Chemical Science revision 2024-09-19
Across
- The particle responsible for a negative charge
- A substance made of two or more elements chemically bonded.
- The starting materials in a chemical reaction.
- The ending materials in a chemical reaction.
Down
- A particle with no charge found in the nucleus.
- A substance made of only one type of atom.
- The particle responsible for a positive charge.
- A change where no new substance is formed.
- The smallest unit of an element.
9 Clues: The smallest unit of an element. • A substance made of only one type of atom. • A change where no new substance is formed. • The ending materials in a chemical reaction. • The particle responsible for a negative charge • The starting materials in a chemical reaction. • A particle with no charge found in the nucleus. • The particle responsible for a positive charge. • ...
Glucose in plants 2024-10-08
Across
- What turns blue/black when in contact with iodine
- The gas produced in photosynthesis
- a type of sugar used in photosynthesis
- The chemical of the symbol O
- What amino acids join together to make
Down
- A process where glucose reacts with oxygen
- What glucose cells join together to make
- The chemical reaction that turns carbon dioxide and water into glucose and oxygen
- The liquid used in the photosynthesis reaction
9 Clues: The chemical of the symbol O • The gas produced in photosynthesis • a type of sugar used in photosynthesis • What amino acids join together to make • What glucose cells join together to make • A process where glucose reacts with oxygen • The liquid used in the photosynthesis reaction • What turns blue/black when in contact with iodine • ...
Cells Part 1 Vocab 2023-08-19
Across
- Process that occurs when the active site of an enzyme changes shape (Prevents substrate from connecting to the enzyme)
- repelled by water
- Physical Description: Fluid filled sac found in both plant and animal cells. Function: Used for storage. Plant only: filled with watery fluid that strengthens and supports the cell
- permeable Allows some but not all materials to cross, Helps the cell maintain homeostasis (a balanced internal environment)
- the diffusion of water across a membrane
- ER Physical Description: interconnected network of folded membranes WITHOUT ribosomes. Function: production of lipids occurs on the inside and breaks down drugs and alcohol
- A large molecule made of smaller molecules of the same type (monomers) linked together
- Physical Description: Only found in plants and green algae (not in animal cells), Have their own ribosomes and DNA. Function: carry out photosynthesis
- Apparatus Physical Description: Closely layered stacks of membrane enclosed sacs. Function: Process, sort, and deliver proteins in vesicles
- site location on the enzyme where the substrate connects
- Diffusion A form of passive transport because it requires no energy. Involves proteins to help larger molecules move across the cell membrane from high concentration to low concentration
- anything that speeds up a chemical reaction
- Physical Description: Membrane bound organelles that contain enzymes. Function: Defends cell from bacteria and viruses, Breaks down damaged or worn out cell parts
- bilayer composed of two layers of phospholipid molecules. Each phospholipid molecule is made up of: One hydrophilic head which is attracted to water. Two hydrophobic tails repelled by water
- Microscopic single-celled organism. NO nucleus. NO membrane bound organelles (has ribosomes & DNA). Example: Bacteria
- Wall Physical Description: Rigid layer that surrounds the cell membrane found in plants, algae, fungi and most bacteria (not in animal cells). Function: gives protection, support, and shape to the cell
- small parts of a cell that have a specific function
- A substance produced by living organisms that speeds up chemical reactions
- ER Physical Description: interconnected network of folded membranes studded with ribosomes. Function: production of proteins occurs on the surface and inside
- attracted to water
- Physical Description: A jellylike substance. Function: contains dissolved nutrients and surrounds all of the organelles
- Monomer- Amino Acids. Function- Changes the rate of chemical reactions (enzymes), Building, repairing & maintenance of organelles and cells.
- acid Monomer- Nucleotides. Function- Store and transmit genetic information, protein synthesis
- substances changed during a chemical reaction, found on the left side of the equation
Down
- substances made by a chemical reaction, found on the right side of the equation
- Process of taking liquids or large molecules into a cell
- transport Movement of molecules without using any of the cell's energy (from an area of high concentration to low concentration)
- Physical Description: Bean shaped with a double membrane, Have their own ribosomes and DNA. Function: Supply energy to the cell, using cellular respiration
- Solution The solution has a lower concentration of dissolved particles than a cell (water concentration is higher outside the cell than inside)
- Transport Moves molecules across a membrane from low concentration to high concentration
- Releases substances out of the cell
- Energy the amount of energy needed to start a chemical reaction
- Physical Description: Enclosed inside nuclear envelope, which has pores allowing molecules to pass in and out. Function: Storehouse for genetic material/DNA
- reactants that an enzyme acts on
- Common Name- Fats and Oils. Monomer- Fatty Acids. Function- Long term energy, Insulation, cell membranes
- Movement of molecules from a region of high concentration to a region of lower concentration
- Organism (can be single-celled or multi-celled), Has a nucleus, Has membrane bound organelles, Example: plants, animals, fungi, protists
- one single unit
- Common name- simple sugars. Monomer- monosaccharides. Function- short term, quick release energy
- Solution the solution has a higher concentration of dissolved particles than a cell (water concentration is higher inside the cell than outside)
- Theory All living things are made of cells, All cells come from preexisting cells, The cell is the basic unit of life.
- Solution the solution has the same concentration of dissolved particles as the cell (Water molecules move into and out of the cell at an equal rate)
- Physical Description: Made up of protein and RNA. Function: Uses messenger RNA and transfer RNA to synthesize (make) proteins
- membrane Physical Description: Composed of special lipids called phospholipids, Surrounds the cell. Function: Protects the cell and allows things (nutrients, food, molecules) in and out of the cell
- Reaction The process of rearranging the molecular structure of a substance by breaking and forming chemical bonds
45 Clues: one single unit • repelled by water • attracted to water • reactants that an enzyme acts on • Releases substances out of the cell • the diffusion of water across a membrane • anything that speeds up a chemical reaction • small parts of a cell that have a specific function • Process of taking liquids or large molecules into a cell • ...
Chemical Equations 2023-02-17
Across
- Amount of matter in an object
- Equal
- A representation of a chemical reaction in the form of symbols and chemical formulas
- Undergoes a chemical change
- A french Chemist who contributed to our understanding of chemical changes
Down
- A change in the appearance of a substance
- Any substance that has mass and takes up space
- A change in the composition of a substance
- The end result of a chemical equation
- Represents the direction of a transformation in an equation
10 Clues: Equal • Undergoes a chemical change • Amount of matter in an object • The end result of a chemical equation • A change in the appearance of a substance • A change in the composition of a substance • Any substance that has mass and takes up space • Represents the direction of a transformation in an equation • ...
Chemical Equations 2023-02-17
Across
- Amount of matter in an object
- Equal
- A representation of a chemical reaction in the form of symbols and chemical formulas
- Undergoes a chemical change
- A french Chemist who contributed to our understanding of chemical changes
Down
- A change in the appearance of a substance
- Any substance that has mass and takes up space
- A change in the composition of a substance
- The end result of a chemical equation
- Represents the direction of a transformation in an equation
10 Clues: Equal • Undergoes a chemical change • Amount of matter in an object • The end result of a chemical equation • A change in the appearance of a substance • A change in the composition of a substance • Any substance that has mass and takes up space • Represents the direction of a transformation in an equation • ...
Chemical Equations 2023-02-17
Across
- Amount of matter in an object
- Equal
- A representation of a chemical reaction in the form of symbols and chemical formulas
- Undergoes a chemical change
- A french Chemist who contributed to our understanding of chemical changes
Down
- A change in the appearance of a substance
- Any substance that has mass and takes up space
- A change in the composition of a substance
- The end result of a chemical equation
- Represents the direction of a transformation in an equation
10 Clues: Equal • Undergoes a chemical change • Amount of matter in an object • The end result of a chemical equation • A change in the appearance of a substance • A change in the composition of a substance • Any substance that has mass and takes up space • Represents the direction of a transformation in an equation • ...
CH 12 Basics of Chemistry 2020-11-28
Across
- alcohols that evaporate easily
- sweet, colorless, oily substance
- substance thatis dissolved in a solution
- substances used to neutralize acids
- basic unit of matter
- chemical reaction that produces heat
- separation of atom into + and - ions
- not capable of being mixed
Down
- two or more atoms in definite proportions
- substance that dissolves the solute
- mixture of two or more immiscible substances
- Contraction of surface active agents
- simplest form of chemical matter
- subtraction of oxygen;addition of hydrogen
- capable of being mixed with another liquid
- known as bases
16 Clues: known as bases • basic unit of matter • not capable of being mixed • alcohols that evaporate easily • sweet, colorless, oily substance • simplest form of chemical matter • substance that dissolves the solute • substances used to neutralize acids • Contraction of surface active agents • chemical reaction that produces heat • separation of atom into + and - ions • ...
Biology crossword 2015-09-25
Across
- a molecule that can be bonded to other identical molecules to form a polymer.
- any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
- a molecule that binds to an enzyme and decreases its activity
- a substance produced by a living organism that acts as a catalyst to speed up a specific biochemical reaction.
- bonding an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- acids a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- reaction transformation of one molecule to a different molecule inside a cell and mediated by enzymes
- acid a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
- protein used for support such as connective tissue and keratin that forms hair and finger nails.
- energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline
- a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
- protein coordinate body activities such as insulin which regulates the amount of sugar in the blood.
Down
- (of a reaction or process) accompanied by the release of heat.
- a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
- protein protein that accelerates the speed of chemical reactions such as digestive enzymes which break down food in the digestive tract
- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water
- protein help control movement such as proteins in the muscles which help control contraction.
- form the basic structural unit of a nucleic acid
- any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies
- the process of breaking down food by mechanical and enzymatic action into substances that can be used by the body.
- protein move many substances throughout the body. An example is hemoglobin that transports oxygen from the lungs to the other parts of the body to be used by cells in cellular respiration
- the chemical processes that occur within a living organism in order to maintain life.
24 Clues: form the basic structural unit of a nucleic acid • a molecule that binds to an enzyme and decreases its activity • (of a reaction or process) accompanied by the release of heat. • a molecule that can be bonded to other identical molecules to form a polymer. • (of a reaction or process) accompanied by or requiring the absorption of heat. • ...
Word Wall Words 2 2015-09-24
Across
- the chemical processes that occur within a living organism in order to maintain life.
- protein used for support such as connective tissue and keratin that forms hair and finger nails.
- protein protein that accelerates the speed of chemical reactions such as digestive enzymes which break down food in the digestive tract
- energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
- a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
- reaction transformation of one molecule to a different molecule inside a cell and mediated by enzymes
- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water
- a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline
- form the basic structural unit of a nucleic acid
- protein coordinate body activities such as insulin which regulates the amount of sugar in the blood.
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies
- the process of breaking down food by mechanical and enzymatic action into substances that can be used by the body.
Down
- bonding an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- protein help control movement such as proteins in the muscles which help control contraction.
- acids a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
- acid a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
- any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
- protein move many substances throughout the body. An example is hemoglobin that transports oxygen from the lungs to the other parts of the body to be used by cells in cellular respiration
- a molecule that can be bonded to other identical molecules to form a polymer.
- a molecule that binds to an enzyme and decreases its activity
- (of a reaction or process) accompanied by the release of heat.
- a substance produced by a living organism that acts as a catalyst to speed up a specific biochemical reaction.
- a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
24 Clues: form the basic structural unit of a nucleic acid • a molecule that binds to an enzyme and decreases its activity • (of a reaction or process) accompanied by the release of heat. • a molecule that can be bonded to other identical molecules to form a polymer. • (of a reaction or process) accompanied by or requiring the absorption of heat. • ...
AP Chemistry Unit 9 2025-04-24
Across
- A real process that results in net change and increased entropy in the universe.
- An idealized process that can be reversed without net change to the system or surroundings.
- The heat content of a system at constant pressure; positive for endothermic and negative for exothermic reactions.
- A thermodynamic quantity that indicates the spontaneity of a process; calculated as ΔG = ΔH – TΔS.
- The part of the universe being studied, typically the chemical reaction or physical change.
- A reaction with a positive ΔG; absorbs free energy and is nonspontaneous.
- The enthalpy change measured under standard conditions.
- A physical change (e.g., melting, boiling) that involves changes in entropy and enthalpy.
- A reaction with a negative ΔG; releases free energy and is spontaneous.
- Different ways particles can be arranged; more microstates mean higher entropy.
- The measurement of heat flow in a chemical or physical process.
- Reactions that are linked such that the energy released by one drives the other.
- A process that occurs naturally under certain conditions without external energy input.
- The effect of temperature on ΔG, depending on the signs of ΔH and ΔS.
Down
- The entropy value of a substance at standard conditions.
- The change in free energy when 1 mole of a compound forms from its elements in their standard states.
- States that the entropy of a perfect crystal at absolute zero is zero.
- Everything outside the system that can exchange energy with it.
- The total enthalpy change for a reaction is the same, no matter how many steps the reaction is carried out in.
- A process that requires continuous energy input to occur.
- The change in entropy measured under standard conditions.
- A value used to determine the direction of shift to reach equilibrium, used in the Gibbs free energy equation ΔG = ΔG° + RTlnQ.
- The sum of entropy changes in the system and surroundings; used to determine spontaneity.
- The change in free energy under standard conditions (1 atm, 298 K, 1 M concentrations).
- The study of energy changes, particularly heat and work, in chemical processes.
- States that the total entropy of the universe always increases for a spontaneous process.
- A measure of disorder or randomness in a system; increases when systems become more disordered.
- A value that expresses the ratio of products to reactants at equilibrium; related to ΔG° by ΔG° = –RTlnK.
28 Clues: The enthalpy change measured under standard conditions. • The entropy value of a substance at standard conditions. • A process that requires continuous energy input to occur. • The change in entropy measured under standard conditions. • Everything outside the system that can exchange energy with it. • ...
Reactions 2022-05-26
9 Clues: ph7 • a cause • this is ph7 • don’t look up • lower than ph 7 • higher than ph 7 • something that is human-made • a distinct compound or substance • a reaction when acids and alkali reacts together
Year Seven Separating Mixtures 2025-08-19
Across
- A measure of how many grams of solute can dissolve in 100ml (or g) of solvent.
- The clear liquid that collects in a conical flask after a mixture is poured through filter paper.
- The mixture produced when a solid dissolves into a liquid. It is always clear.
- A combination of different substances which are not all joined by chemical bonds. They can be separated without a chemical reaction.
- A solution that has the maximum mass of solute dissolved in the solvent. If you added more solid it could not dissolve.
- The solid that is left in the filter paper.
- When a solid is able to dissolve in a certain liquid.
- A substance that is made of only one chemical. It cannot be separated without a chemical reaction.
Down
- The temperature at which a liquid turns to gas.
- To form large, regular particles of solid, normally when a solvent evaporates.
- The product of a chromatography experiment. It shows how far the different liquids in a mixture have moved up the paper in a certain time.
- The liquid that the solid dissolves into.
- The solid that dissolves.
- When a solid is not able to dissolve in a certain liquid.
- When a solid substance mixes thoroughly with a liquid.
15 Clues: The solid that dissolves. • The liquid that the solid dissolves into. • The solid that is left in the filter paper. • The temperature at which a liquid turns to gas. • When a solid is able to dissolve in a certain liquid. • When a solid substance mixes thoroughly with a liquid. • When a solid is not able to dissolve in a certain liquid. • ...
Chapter 2 Biochemistry Vocabulary 2023-11-03
Across
- a mixture in which the parts separate and don't dissolve
- a substance with a pH below 7
- the energy required for a reaction to start (2)
- a pure substance, like carbon or oxygen
- ___ electrons are furthest from the nucleus
- "monomer" of lipids (2)
- having unevenly shared electrons in a molecule (water)
- anything that makes a reaction happen faster
- monomer of carbohydrates
- a protein catalyst
- an ___ reaction absorbs energy
- an element with 4 valence electrons found in macromolecules
- compounds made of 2+ atoms bonded together
- to ___ an enzyme means to change its shape
- a large molecule made of many bonded monomers
Down
- monomer of nucleic acids
- a small molecule that bonds with others to form polymers
- a substance with a pH above 7
- the study of living matter
- the location on the enzyme where the reaction takes place (2)
- large organic molecule
- used for immediate energy
- made up of amino acids
- store/transmit genetic information (2)
- every enzyme has a specific ___ that can lock into it
- a mixture in which all parts are evenly dissolved
- a chemical that prevents big pH changes
- used for long-term energy storage
28 Clues: a protein catalyst • large organic molecule • made up of amino acids • "monomer" of lipids (2) • monomer of nucleic acids • monomer of carbohydrates • used for immediate energy • the study of living matter • a substance with a pH below 7 • a substance with a pH above 7 • an ___ reaction absorbs energy • used for long-term energy storage • store/transmit genetic information (2) • ...
Science Class 2023-11-20
Across
- sugar made by plants
- a phase in plants create their own food
- reaction breaks down molecules of carbon dioxide
- C02 essential component of photosynthesis
- the supplies that are used to make a product
- something in the air that we breath
- power of the cell
- an organism that breaks down other organism
Down
- the process of photosynthesis that converts engery from the sun into chemical energy
- a plant cell that contains contains chlorophyll
- a change in something
- an organism that makes its own food
- the result of a chemical change
13 Clues: power of the cell • sugar made by plants • a change in something • the result of a chemical change • an organism that makes its own food • something in the air that we breath • a phase in plants create their own food • C02 essential component of photosynthesis • an organism that breaks down other organism • the supplies that are used to make a product • ...
chemistry 2024-05-03
Across
- the study of the ratio between reactants
- ion with a positive electrical charge
- subatomic particle with a negative charge
- a three dimensional description of the most likely
- an ion with a negative electrical charge.
- a chemical substance that contains hydrogen
Down
- a substance that changes in a chemical reaction
- the science and study of matter
- unit of thermal energy
- halogen with atomic number 17 and element symbol Cl
- a homogeneous mixture
- a chemical link formed between atoms in molecules
- a substance that can accept hydrogen ions in water
13 Clues: a homogeneous mixture • unit of thermal energy • the science and study of matter • ion with a positive electrical charge • the study of the ratio between reactants • subatomic particle with a negative charge • an ion with a negative electrical charge. • a chemical substance that contains hydrogen • a substance that changes in a chemical reaction • ...
Advance Chem Crossword 2021-02-22
Across
- the SI base unit of thermodynamic temperature
- it's chemical formula is H₂SO₄
- It's chemical formula is CaCO3
- Element that has an atomic mass of 10.81
- convenient unit to use because of the great number of atoms, molecules, or others in any substance.
- It's chemical formula is NaHCO3
- It's chemical formula is C4H4K2O6
- 6.022 x10 23
- calculated from a molecular formula by dividing the mass of a single element in one mole of a compound by the mass of one mole of the entire compound.
- the empirical formula of a chemical compound is the simplest positive integer ratio of atoms present in a compound.
Down
- element that has an atomic weight of 1
- group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- the degree of compactness of a substance.
- a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
- An Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules.
- a coherent, typically large body of matter with no definite shape.
- the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
- the science that deals with the properties, composition, and structure of substances
- It's chemical formula is C8H18
- the basic unit of a chemical element.
20 Clues: 6.022 x10 23 • it's chemical formula is H₂SO₄ • It's chemical formula is CaCO3 • It's chemical formula is C8H18 • It's chemical formula is NaHCO3 • It's chemical formula is C4H4K2O6 • the basic unit of a chemical element. • element that has an atomic weight of 1 • Element that has an atomic mass of 10.81 • the degree of compactness of a substance. • ...
Science Words 2023-01-31
Across
- characteristic through a chemical reaction
- ending substances
- combination of two or more substances where one substance dissolves into another
- combination of two or more substances
- law that dictates that matter is not created or destroyed
Down
- equation that shows the chemical makeup of a substance
- reaction that structurally changes a substance
- starting substances
8 Clues: ending substances • starting substances • combination of two or more substances • characteristic through a chemical reaction • reaction that structurally changes a substance • equation that shows the chemical makeup of a substance • law that dictates that matter is not created or destroyed • ...
Photosynthesis 2025-03-08
Across
- A product of photosynthesis
- The after of a chemical reaction
- The prosscess that a plant makes its food/energy
- The pigment that absorbs the sunlight
- A product of photosynthesis
- A reactant of photosynthesis
Down
- The before of a chemical reaction
- The cells of plants/ the opposite of an ani__l C__l
- The organelle that is responsible for energy
- A reactant of photosynthesis
10 Clues: A product of photosynthesis • A product of photosynthesis • A reactant of photosynthesis • A reactant of photosynthesis • The after of a chemical reaction • The before of a chemical reaction • The pigment that absorbs the sunlight • The organelle that is responsible for energy • The prosscess that a plant makes its food/energy • ...
Law of conservation review 2024-01-29
Across
- A pure substance made up of one atom
- large number in front of element
- the smallest number after a element
- two or more atoms bonded together
Down
- A process in which a substance(s) atoms are rearranged to create a new substance
- Starting substance of a chemical reaction
- Ending substance of a chemical reaction
- the smallest unit of matter
- Matter can never be created or destroyed only rearranged
9 Clues: the smallest unit of matter • large number in front of element • two or more atoms bonded together • the smallest number after a element • A pure substance made up of one atom • Ending substance of a chemical reaction • Starting substance of a chemical reaction • Matter can never be created or destroyed only rearranged • ...
Thermochemistry 2021-04-22
Across
- the energy of motion, observable as the movement of an object, particle, or set of particles
- type of reaction that releases thermal into the environment in the form of thermal or light energy
- a measure of average heat of a substance.
- refers to the energy contained within a system that is responsible for its temperature.
- the transfer of thermal energy between molecules within a system and is measured in (J)=Joules.
- the energy content of a chemical system
- the amount of heat energy needed to increase the temperature of 1 gram of a substance by 1°C
- energy that is stored in the bonds between atoms and molecules
- a type of heat transfer that can only happen in liquids and gases, because it involves those liquids or gases physically moving.
- type of reaction that absorbs thermal energy from the environment.
Down
- the amount of energy necessary to raise the temperature of 1 gram of water 1°C.
- the transfer of energy in the form of heat or electricity from one atom to another within an object by direct contact
- that energy can neither be created nor destroyed - only converted from one form of energy to another.
- stored energy, or energy caused by its position.
- measuring energy lost or gained by measuring temperatures changes of water in an insulated container designed to minimize energy loss.
- energy that travels in the form of waves or high-speed particles
- the way the heat moves from one physical system (or body) to another.
- the study of heat released or absorbed in a chemical reaction or physical change
18 Clues: the energy content of a chemical system • a measure of average heat of a substance. • stored energy, or energy caused by its position. • energy that is stored in the bonds between atoms and molecules • energy that travels in the form of waves or high-speed particles • type of reaction that absorbs thermal energy from the environment. • ...
Mixtures 2020-05-07
Across
- The process of heating or cooling a mixture to separate it
- A change in a substance that does not involve a chemical reaction
- How much of a solute can go into a solvent without becoming saturated
- Matter that has uniform properties
- A mixture that has easily identifiable components
- A mixture in which the solute is completely dissolved
Down
- A change that involves a chemical reaction
- A method of separating a mixture involving filters
- A combination of substances that are not chemically combined
- A type of heterogenous mixture with large, floating, particles
- A mixture that is uniform throughout
- A combination of multiple metals
- This type of mixture can scatter light and is in between a suspension and solution
13 Clues: A combination of multiple metals • Matter that has uniform properties • A mixture that is uniform throughout • A change that involves a chemical reaction • A mixture that has easily identifiable components • A method of separating a mixture involving filters • A mixture in which the solute is completely dissolved • ...
Chapter 8 Crossword Puzzle 2022-03-21
Across
- angular boulders that accumulate in a pile of a cliff or steep slope
- decayed organic material in soil
- the chemical weathering of minerals by a reaction with water
- water solution that contains an excess of hydrogen
- the dissolving of substances
- a narrow shallow channel formed by water erosion on a slope
- a chemical reaction that occurs when atoms or ions lose electrons
- the removal of weathered materials from a place by agents
Down
- the process by which one productive lands have become increasingly desert
- a deep channel in sediment or soil caused by water erosion
- the uppermost nutrient rich part of soil
- a loose complex mixture of mineral grains on earth surface
- the fracturing of rocks due to reduction of pressure
13 Clues: the dissolving of substances • decayed organic material in soil • the uppermost nutrient rich part of soil • water solution that contains an excess of hydrogen • the fracturing of rocks due to reduction of pressure • the removal of weathered materials from a place by agents • a deep channel in sediment or soil caused by water erosion • ...
cell crossword puzzle 2023-09-21
10 Clues: stores water • makes protein • calcium storage • creates chemical energy • holds genetic information • medium for chemical reaction • the digestive system of a cell • provides strength against stress • converts light energy from the sun into glucose • transport materials entering and exiting the cell
diidy 2025-05-22
15 Clues: Diddy • black • white • cactus • abuela • pickle • dumpling • wanna be Asian • reaction Reflex • order shows Dominance • distance trip Migration • unlearned type of behavior Innate • over a long period of time Instinct • developed by training Learned behavior • that causes an other animal to behave weirdly Pherome
Chapter 3 vocab 2023-10-19
Across
- ability of one material to dissolve in another.
- Change: change in the size,shape,from, or state if matter that does not change the matter’s identity.
- amount of space a sample of matter occupies.
- of conservation of mass:total mass before a chemical reaction is the same as the total mass after the chemical reaction.
- of matter with definite shape and volume.
Down
- of matter with a definite volume but not a definite shape.
- Property: Characteristics of matter that you can observe without changing the identity of the substances that make it up.
- change: change in matter in which the substances that make up the matter change into other substances that make up the matter change into other substances with different chemical and physical properties.
- of matter without a definite shape or a definite volume.
- per unit volume of a substance.
- amount of matter in an object.
- Property: the ability or inability of a substance to combine with or change into one or more new substances.
12 Clues: amount of matter in an object. • per unit volume of a substance. • of matter with definite shape and volume. • amount of space a sample of matter occupies. • ability of one material to dissolve in another. • of matter without a definite shape or a definite volume. • of matter with a definite volume but not a definite shape. • ...
Chap 1 2025-01-01
Across
- Mass divided by volume
- Minimizing ___________ energy makes for more stable, less reactive substances.
- Pure substance made up of atoms of two or more different elements.
- A _________ change produces new substances by reorganizing existing atoms into new groupings. The process involves breaking old chemical bond and/or forming new bonds.
- Relatively weak attractions between one molecule and its neighboring molecules (2 words).
- This law states that the combined mass of the chemicals produced by a chemical reaction equals the combined mass of the chemicals used up in the reaction (3 words)
Down
- Made of several substances but appears to consist of a single substance.
- Made of pairs of the same atom.
- Made of several nonmetal atoms interlinked via chemical bonds; acts as a single neutral unit.
- State with weakest intermolecular forces and greatest kinetic energy.
10 Clues: Mass divided by volume • Made of pairs of the same atom. • Pure substance made up of atoms of two or more different elements. • State with weakest intermolecular forces and greatest kinetic energy. • Made of several substances but appears to consist of a single substance. • Minimizing ___________ energy makes for more stable, less reactive substances. • ...
dayquan 2025-02-13
Across
- a gas of diatomic molecules with the formula H 2
- a process in which one or more substances, the reactants, are converted to one or more different substances, the products
- the smallest particle of a chemical element
- thing that is composed of two or more separate elements;
Down
- a biological process where plants, algae, and certain bacteria use sunlight
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- an action performed or a feeling experienced in response to a situation or event.
- an important heat-trapping gas, also known as a greenhouse gas
- a pure substance composed of only one type of atom
- Oxygen is a colorless, odorless gas, represented by the chemical symbol
10 Clues: the smallest particle of a chemical element • a gas of diatomic molecules with the formula H 2 • a pure substance composed of only one type of atom • thing that is composed of two or more separate elements; • an important heat-trapping gas, also known as a greenhouse gas • Oxygen is a colorless, odorless gas, represented by the chemical symbol • ...
dayquan 2025-02-13
Across
- a gas of diatomic molecules with the formula H 2
- a process in which one or more substances, the reactants, are converted to one or more different substances, the products
- the smallest particle of a chemical element
- thing that is composed of two or more separate elements;
Down
- a biological process where plants, algae, and certain bacteria use sunlight
- a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction
- an action performed or a feeling experienced in response to a situation or event.
- an important heat-trapping gas, also known as a greenhouse gas
- a pure substance composed of only one type of atom
- Oxygen is a colorless, odorless gas, represented by the chemical symbol
10 Clues: the smallest particle of a chemical element • a gas of diatomic molecules with the formula H 2 • a pure substance composed of only one type of atom • thing that is composed of two or more separate elements; • an important heat-trapping gas, also known as a greenhouse gas • Oxygen is a colorless, odorless gas, represented by the chemical symbol • ...
Chemistry Project 2013-10-27
Across
- a substance formed by the chemical combustion of two or more elements in fixed proportion.
- the natural cycle by which rocks are pushed upwards, then eroded, transported, deposited, and possibly changed into another type of rock by conditions of temperature and pressure – these rocks may then be uplifted to enter a new cycle.
- a regular three-dimensional arrangement of atoms, molecules or ions in a crystalline solid.
- a subatomic particle with negligible mass and a charge of – 1.
- a process occurring at the surface of a liquid, involving the change of state from a liquid into a vapor at a temperature below the boiling point.
- term that describes a liquid, which evaporates easily; it is a liquid with a low boiling point having only weak intermolecular forces between the molecules in the liquid.
- the temperature at which a liquid boils, when the pressure of the gas created above the liquid equals atmospheric pressure.
- a chemical reaction in which a substance reacts with oxygen – the reaction is exothermic.
- a chemical reaction in which a compound is made from its elements.
- a form of local atmospheric pollution found in large cities in which several gases react with each other to produce harmful products.
- a substance that can be used as a source of energy, usually by burning.
- term that describes a solute that dissolves in a particular solvent.
- the solid substance that has dissolved in a liquid to form a solution.
- a molecule containing two atoms.
- the liquid that dissolves the solid substance to form a solution.
- the change of a vapor or a gas into liquid; during this process heat is given out to the surroundings.
- a condition under which gas bubbles are able to form within a liquid – gas molecules escape from the body of a liquid, not just from its surface.
- a substance, which cannot be further, divided into simpler substances by chemical methods; all the atoms of this substance contain the same number of protons.
- the central, densest part of the Earth composed mainly of iron and nickel; the outer core is molten and surrounds the solid, inner core, which exists at very high temperature and pressure.
- atoms of the same elements, which have different numbers of neutrons in their nuclei: they differ in their mass (nucleon) numbers.
- is the smallest particle of an element that can take part in a chemical reaction.
- the process of forming crystals from a saturated solution.
- rain which has been made more acidic than normal by the presence of dissolved pollutants such as sulfur dioxide and nitrogen oxides.
- a gas or a liquid, they are able to flow.
- a subatomic particle with a relative mass of 1 and a charge of +1 found in the nucleus of all atoms.
Down
- anything which occupies space and has mass.
- the harmful effects on the air, water and soil of human activity and waste.
- the chemical reaction (a combustion reaction) by which biological cells release the energy stored in glucose for the use by the cell or the body; the reaction is exothermic and produces carbon dioxide and water as the chemical by-products.
- materials we get from the environment to meet our needs.
- formed when a substance dissolves into another substance.
- mixtures of elements (usually metals) designed to have the properties useful for a particular purpose.
- the direct change of state from solid to gas or gas to solid: the liquid phase is bypassed.
- the temperature at which a solid turns into a liquid – it has the same value as the freezing point.
- the result of paper chromatography run, showing where the spots of the samples have moved to.
- a mixture containing small particles of an insoluble solid, or droplets of an insoluble liquid, spread (suspended) throughout a liquid.
- the process in by which solid different fluids mix as a result of the random motions of their particles.
- element, which shows some of the properties of metals and some of Non – metals; for example, boron and silicon.
- the system by which water circulates around the Earth, involving various changes of state in the process; the driving force behind the water cycle is energy from the Sun.
- a type of chemical reaction where a compound breaks down into simpler substances.
- a device for converting polluting exhaust gases from cars into less dangerous emissions.
- the chemical process by which plants synthesize glucose from atmospheric carbon dioxide and water: the energy required for the process is captured from sunlight by chlorophyll molecules in the green leaves of the plant.
- fuels such as coal, oil and natural gas, formed underground over geological periods of time from the remains of plants and animals.
- a technique employed for the separation of mixtures of dissolved substances, which was originally used to separate colored dyes.
- elements in Group 7 of the Periodic Table – generally the most reactive group of non – metals.
- the system by which nitrogen and its compounds, both in the air and in the soil, are interchanged.
- the combining power of an atom or group of atoms.
- the process of boiling a liquid and then condensing the vapor produced back into the liquid: used to purify liquids and to separate liquids from solutions.
- the solid, outermost, layer of the Earth; it is not continuous, but subdivided into plates of continental or oceanic layers.
- charged particles made from an atom, or groups of atoms, by the loss or gain of electrons.
- a black, solid fuel formed underground over geological periods of time by conditions of high pressure and temperature acting on decayed vegetation.
50 Clues: a molecule containing two atoms. • a gas or a liquid, they are able to flow. • anything which occupies space and has mass. • the combining power of an atom or group of atoms. • materials we get from the environment to meet our needs. • formed when a substance dissolves into another substance. • the process of forming crystals from a saturated solution. • ...
PSM Final Exam Review Xword (1 of 2) 2023-03-03
Across
- temporary structure formed when reactant molecules meet to undergo a reaction (2 words)
- a chemical property of bases is that they have this (2 words)
- unpaired electrons in a neutral atom that are available for sharing, transferring, or pairing with an electron donated by another atom (2 words)
- fraction for changing units in which the quantity in the numerator is equivalent to the quantity in the denominator
- occurs whenever matter changes from one state to another
- can be measured or observed only when matter undergoes a change to become an entirely different kind of matter
- synthesis, decomposition, single and double replacement, combustion, and neutralization (3 words)Accuracy how close a measurement is to the true value
- used to separate out pure substances in mixtures comprised of particles some of which are large enough in size to be captured with a porous material
- mixture of a metal with ≥ 1 other elements (which could be metals, nonmetals, or both)
- these occur more often in nature than do individual elements; consist of atoms of different elements chemically bonded together in fixed proportions
- [three words] simple diagram that shows only an atom’s valence electrons
- process in which some substances change into different substances (2 words)
- acids and bases do this when dissolved in water (2 words)
- ionic compounds that produce positive hydrogen ions when dissolved in water
- purification process where the components of a liquid mixture are vaporized and then condensed and isolated
- fuel + oxygen → carbon dioxide + water
- measure of how many molecules of that substance are present in a given volume
- Color and indicator type indicating exposure to bases (3 words)
- force of attraction that holds together two nonmetal atoms that share electrons (2 words)
- a substance that increases the rate of a chemical reaction without being altered by the reaction
- ionic compounds that produce negative hydroxide ions when dissolved in water
- alloy of copper and zinc; softer than bronze and easier to shape; very shiny; used for musical instruments, doorknobs, and plumbing fixtures
- mixture in which particles are distributed uniformly throughout and are too light to settle out
- an expression that shows the elements in a compound and the relative proportions of those elements (two words)
- name for N2O3 (2 words)
- the number of these must be equal on each side of a balanced chemical equation
- two ionic compounds exchange ions (3 words)
- reaction type in which the energy released when bonds form exceeds the activation energy
- lowering of the freezing point of a liquid due to presence of a solute (3 words)
- a solid substance in which the particles are arranged in an orderly, repeating, three-dimensional pattern
- number placed in front of a chemical symbol or formula that shows how many atoms or molecules of the substance are involved in the reaction
- conducted experiments showing gases must consist of tiny, individual particles that are in constant, random motion; a given compound is always comprised of the same elements in the same whole-number ratio; different compounds consist of different elements or ratios; and, elements are made of separate, discrete particles that cannot be subdivided.
- concentration of hydrogen ions in a solution
- a certain amount of energy a chemical reaction needs just to get started (2 words)
Down
- a tactile characteristic of bases (2 words)
- state of matter that has neither a fixed volume nor a fixed shape
- intentionally kept constant so it won’t influence the outcome of an experiment
- parts of a measured quantity that are objectively absolutely accurate and independent of who is making the measurement
- representations of chemical reactions that display the reactants and products with chemical formulas (2 words)
- mass number of a nitrogen atom containing 8 neutrons
- metals act well as these because of the constantly moving electrons
- a one-or two-letter designation of an element (two words)
- negatively charged; almost no mass compared to protons; exist outside the nucleus; discovered by J.J. Thomson
- negative ions formed by atoms gaining electrons
- in a chemical reaction, energy is used to ________ bonds in reactants
- vertical column of the periodic table
- concluding specific claim from general observations; both logically and actually true
- factor that researcher predicts will change in response to changes in independent variable
- a force of attraction between atoms or ions formed when atoms share or transfer valence electrons (2 words)
- change from gas to liquid
- positive ions formed by atoms losing electrons
- modern periodic table is organized by arranging elements in order by this (two words)
- many burn easily; many do not dissolve in water; cannot conduct electricity; tend to have low melting and boiling points (2 words)
- reaction type in which the activation energy exceeds the energy released when bonds form
- simplest form of matter that has a unique set of properties
- condition of an atom’s outermost energy level that produces the greatest stability
- raising of the boiling point of a liquid due to presence of a solute (3 words)
- described electrons as orbiting at specific distances from the nucleus
- first proposed atoms, without evidence to support his idea
- state of balance in which the forward and reverse direction rates are equal in each direction, and there is no overall change in the amounts of reactants and products
- “two-atom”
- clues this has occurred include change in color, change in temperature, and production of a gas
- AB → A + B
- a protein that acts as a catalyst for chemical reactions
- = mass divided by volume
- times one billion
66 Clues: “two-atom” • AB → A + B • times one billion • name for N2O3 (2 words) • = mass divided by volume • change from gas to liquid • vertical column of the periodic table • fuel + oxygen → carbon dioxide + water • a tactile characteristic of bases (2 words) • two ionic compounds exchange ions (3 words) • concentration of hydrogen ions in a solution • ...
CHAPTER 3 ENERGY IN TRANSIT 2025-03-02
Across
- It involves an exothermic reaction, meaning it releases a large amount of heat.
- A form of energy transfer between two objects as a result of their difference in temperature.
- It is an extensive property; And the amount of heat absorbed or eleased by a chemical reaction at constant atmospheric pressure
- An insulator apparatus that contains water or any other liquid with a known heat capacity.
- The change in enthalpy when the compound is formed from its elements under standard conditions (1 atm, 25 degrees C)
- This can thus be calculated by subtracting the sum of the enthalpies of formation of the products and the sum of the enthalpies of formation of the reactants.
- What is the study of the energy or heat flow that occurs during a chemical reaction and/or physical transformation.
- It may emit heat into the surroundings, for which the q is _______.
- The part of the universe being studied or to which attention is focused.
- This system is capable of absorbing heat, and its q is ________.
- reaction The enthalpy difference between the products and reactants is known as the _________________.
- This is sometimes used to ensure that the contents of a cup are mixed uniformly.
- The father of thermodynamics. He was a French physicist and engineer who was highly interested in improving the efficiency of steam engines, where a large amount of heat is lost due to friction and conduction.
- The flow of energy (as heat) between the system and its surroundings is measured through ___________.
- Has a specific heat of 2.11 J/g·°
Down
- Has a specific heat of 4.18 J/g·°C
- A chemical equation that shows the value and direction of heat involved in a reaction.
- In 1892, James Dewar invented a vacuum flask known as the thermos.
- That processes with negative values of q are described as __________.
- Is symbolized by q.
- This is inserted into the cork cover to measure temperature changes.
- The enthalpy of formation for an element in its standard state is ____.
- Energy cannot be created or destroyed, only transformed.
- When the system absorbs heat from its surroundings, q is positive, and the corresponding process is __________.
- Has a specific heat of 2.08 J/g·°C
- This includes everything else in the universe.
- Is the amount of energy needed to increase the temperature of a substance or material by 1°C.
- This is to minimize heat loss.
28 Clues: Is symbolized by q. • This is to minimize heat loss. • Has a specific heat of 2.11 J/g·° • Has a specific heat of 4.18 J/g·°C • Has a specific heat of 2.08 J/g·°C • This includes everything else in the universe. • Energy cannot be created or destroyed, only transformed. • This system is capable of absorbing heat, and its q is ________. • ...
Unit 4 vocab 2024-03-27
Across
- Substances created by a reaction
- the number in front of the formula
- Substance that increases the amount of H+ ions when dissolved in water
- states that matter cannot be created or destroyed
- Simple elements or compounds combine to form a more complex product
- Substance produced by the reaction of an acid and a base
- Substance that increases the amount of OH- ions when dissolved in water
Down
- acid and base react together to form water and a salt
- what percent of each element is present in a compound
- Gives the proportions of elements in a compound
- Substances present in a chemical reaction that are consumed during the reaction
- Gives the number of atoms of each element in a compound
- Ratio between the mass and amount of substance
- small number on the bottom right of the symbol
- How acidic or basic a substance is
15 Clues: Substances created by a reaction • the number in front of the formula • How acidic or basic a substance is • Ratio between the mass and amount of substance • small number on the bottom right of the symbol • Gives the proportions of elements in a compound • states that matter cannot be created or destroyed • acid and base react together to form water and a salt • ...
Chem 1 vocab 2025-08-14
Across
- Substance that is formed after a reaction
- A state of matter that has low KE thats variable in shape but fixed in volume
- something that is difficult to reverse
- The process of separating mixtures by using boiling points
- ___________ mixture in which it presents one (1) visible phase.
- The physical blend of 2 or more substances
Down
- ________ change that changes the appearance but not the composition of a material
- The separation of a solid and a liquid in a heterogeneous mixture
- An element that has the properties of both metals and non-metals
- _________ reaction; a reaction in which the matter's composition always changes
- _______ energy - this energy is the energy of motion
- The elements smallest unit which remains the property of that element
- The first substance that begins a reaction
- Used to describe a matter based on the amount of matter in the sample
- The process in which the surrounding areas energy is drawn in
15 Clues: something that is difficult to reverse • Substance that is formed after a reaction • The first substance that begins a reaction • The physical blend of 2 or more substances • _______ energy - this energy is the energy of motion • The process of separating mixtures by using boiling points • The process in which the surrounding areas energy is drawn in • ...
SQSA 2 Practice Game 2024-01-17
Across
- what is contained inside the nucleus of an atom
- reaction reaction that has to do with a change in the nucleus of an atom
- replacement does this equation represent AB+CD-AD
- what is the highest penetrating power from the three types of radiation
- how many valence electrons is when the atoms stop looking for bonding
- metals- the types of metals with the highest reactivity
- what does this equation represent =-II/I=
- - what is another thing contained inside the nucleus of an atom
Down
- what does this equation represent A+B-AB
- replacement what does this equation represent AB+C- A+BC
- the valence electron count for alkali metals
- what does this equation represent AB-A+B
- reaction- what is a reaction called when it can't reverse back
- what penetrating power is in between both of the highest and lowest penetrating powers
- lowest penetrating power from the three types of radiation
15 Clues: what does this equation represent A+B-AB • what does this equation represent AB-A+B • what does this equation represent =-II/I= • the valence electron count for alkali metals • what is contained inside the nucleus of an atom • replacement does this equation represent AB+CD-AD • metals- the types of metals with the highest reactivity • ...
Thermochemistry 2022-05-18
Across
- substance that holds the energy, focus of reaction
- when energy changes through chemical reactions or in states of matter
- the ability of doing work for adding heat
- what takes place around the reaction
- unit for the amount of heat to increase the temperature
- a way to measure the specific heat and heat energy
- insulated device measuring the specific heat
- also known as thermal inertia
Down
- amount of KiloJoules per mole
- system that has lost energy or heat
- q=mcΔT
- measuring how much heat energy is in a reaction
- SI unit of heat energy
- heat added into system
- heat that is used to increase the temperature of an object by 1 degree, the mass matters
- total heat of a system
- amount of heat from the conversion of a liquid to gas
- the transferred energy of object to object
18 Clues: q=mcΔT • SI unit of heat energy • heat added into system • total heat of a system • amount of KiloJoules per mole • also known as thermal inertia • system that has lost energy or heat • what takes place around the reaction • the ability of doing work for adding heat • the transferred energy of object to object • insulated device measuring the specific heat • ...
Cells Part 1 Vocab 2023-08-19
Across
- site location on the enzyme where the substrate connects
- Movement of molecules from a region of high concentration to a region of lower concentration
- Physical Description: A jellylike substance. Function: contains dissolved nutrients and surrounds all of the organelles
- anything that speeds up a chemical reaction
- ER Physical Description: interconnected network of folded membranes studded with ribosomes. Function: production of proteins occurs on the surface and inside
- ER Physical Description: interconnected network of folded membranes WITHOUT ribosomes. Function: production of lipids occurs on the inside and breaks down drugs and alcohol
- repelled by water
- transport Movement of molecules without using any of the cell's energy (from an area of high concentration to low concentration)
- substances made by a chemical reaction, found on the right side of the equation
- Transport Moves molecules across a membrane from low concentration to high concentration
- one single unit
- Solution the solution has the same concentration of dissolved particles as the cell (Water molecules move into and out of the cell at an equal rate)
- attracted to water
- permeable Allows some but not all materials to cross, Helps the cell maintain homeostasis (a balanced internal environment)
- membrane Physical Description: Composed of special lipids called phospholipids, Surrounds the cell. Function: Protects the cell and allows things (nutrients, food, molecules) in and out of the cell
- Physical Description: Made up of protein and RNA. Function: Uses messenger RNA and transfer RNA to synthesize (make) proteins
- bilayer composed of two layers of phospholipid molecules. Each phospholipid molecule is made up of: One hydrophilic head which is attracted to water. Two hydrophobic tails repelled by water
- Monomer- Amino Acids. Function- Changes the rate of chemical reactions (enzymes), Building, repairing & maintenance of organelles and cells.
- Physical Description: Only found in plants and green algae (not in animal cells), Have their own ribosomes and DNA. Function: carry out photosynthesis
- Physical Description: Bean shaped with a double membrane, Have their own ribosomes and DNA. Function: Supply energy to the cell, using cellular respiration
- A substance produced by living organisms that speeds up chemical reactions
- Organism (can be single-celled or multi-celled), Has a nucleus, Has membrane bound organelles, Example: plants, animals, fungi, protists
- Energy the amount of energy needed to start a chemical reaction
Down
- Releases substances out of the cell
- Theory All living things are made of cells, All cells come from preexisting cells, The cell is the basic unit of life.
- A large molecule made of smaller molecules of the same type (monomers) linked together
- Apparatus Physical Description: Closely layered stacks of membrane enclosed sacs. Function: Process, sort, and deliver proteins in vesicles
- Reaction The process of rearranging the molecular structure of a substance by breaking and forming chemical bonds
- small parts of a cell that have a specific function
- Process of taking liquids or large molecules into a cell
- substances changed during a chemical reaction, found on the left side of the equation
- reactants that an enzyme acts on
- Process that occurs when the active site of an enzyme changes shape (Prevents substrate from connecting to the enzyme)
- Diffusion A form of passive transport because it requires no energy. Involves proteins to help larger molecules move across the cell membrane from high concentration to low concentration
- Solution the solution has a higher concentration of dissolved particles than a cell (water concentration is higher inside the cell than outside)
- acid Monomer- Nucleotides. Function- Store and transmit genetic information, protein synthesis
- the diffusion of water across a membrane
- Wall Physical Description: Rigid layer that surrounds the cell membrane found in plants, algae, fungi and most bacteria (not in animal cells). Function: gives protection, support, and shape to the cell
- Physical Description: Fluid filled sac found in both plant and animal cells. Function: Used for storage. Plant only: filled with watery fluid that strengthens and supports the cell
- Physical Description: Membrane bound organelles that contain enzymes. Function: Defends cell from bacteria and viruses, Breaks down damaged or worn out cell parts
- Microscopic single-celled organism. NO nucleus. NO membrane bound organelles (has ribosomes & DNA). Example: Bacteria
- Physical Description: Enclosed inside nuclear envelope, which has pores allowing molecules to pass in and out. Function: Storehouse for genetic material/DNA
- Common name- simple sugars. Monomer- monosaccharides. Function- short term, quick release energy
- Common Name- Fats and Oils. Monomer- Fatty Acids. Function- Long term energy, Insulation, cell membranes
- Solution The solution has a lower concentration of dissolved particles than a cell (water concentration is higher outside the cell than inside)
45 Clues: one single unit • repelled by water • attracted to water • reactants that an enzyme acts on • Releases substances out of the cell • the diffusion of water across a membrane • anything that speeds up a chemical reaction • small parts of a cell that have a specific function • site location on the enzyme where the substrate connects • ...
SVA Unit 1 Biology Vocabulary 2023-08-27
Across
- substance formed by the chemical combination of two or more elements in definite proportions.
- type of mixture in which all components are all evenly distributed.
- change over time.
- slight attraction between substances of the same substance.
- macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous.
- attraction between molecules of the same substance.
- one of the several forces of a single element, which contains the same number of protons but different number of neutrons.
- protein catalysts that speeds up the reactions of specific biological reactions.
- chemical bond formed when one or more electrons are transferred from one atom to another.
- particular preference or point of view that is personal rather than scientific.
- macromolecules that contains carbon, hydrogen, oxygen, and nitrogen needed for the body’s growth and repair.
- input that is needed for a reaction to begin.
- pure substance that consists entirely of one type of atom.
- genetic material that organisms inherit from their parents.
- scale with the vales from 0-14 used to measure the content of H+ ions in solution.
- type of bond between atoms in which the electrons are shared.
- signals to which an organism responds.
- elements or compounds that enter into a chemical reaction.
- molecules composed of many monomers, makes up macromolecules.
- negatively charged particle, located in the space surrounding the nucleus.
- materials composed of two or more elements or compounds that are physically mixed but not chemically combined.
- variable that is observed and that changes in response to the independent variable also called responding variable.
- compounds that prevent sudden changes in pH.
- the combination of chemical reactions through which an organism holds or breaks down materials.
- the center of an atom, which contains the protons and the neutrons.
- scientific study of life
- compound that forms hydrogen ions (H+) in solutions.
- relative constant internal physical and chemical conditions that organisms obtain.
- substance that speeds up the rate of a chemical reaction.
- dissolving substance in a solution.
- factor in a controlled experiment that is deliberately changed is also called a manipulated variable.
- possible explanation for a set of observations or possible answers to scientific question.
Down
- experiment in which only one variable is changed.
- force or attraction between different kinds of molecules.
- elements or compounds produced from a chemical reaction.
- mixture of water and non-dissolved material.
- compound made up of carbon, hydrogen, and oxygen atoms types of molecules which are a major source of energy to the body.
- process of reproduction involving a single parent that results in offspring that are genetically identical to the parent.
- small chemical units that make up polymers.
- process that changes or transforms one set of chemicals into another group of chemicals.
- substance that is dissolved into a solution.
- compounds with an amino group on one end and a carboxyl group on the other end.
- type of reproduction in which two cells from two parents unite to form the first cell of a new organism.
- reactant of an enzyme catalyzed reaction.
- smallest unit of most compounds that display all the properties of that compound.
- well tested explanation that unifies a broad range of observations and hypotheses, enabling scientists to make accurate predictions about new situations.
- a logical interpretation based on prior knowledge or experience.
- the basic unit of measure, the building blocks of life.
- evidence and information gathered from observations.
- macromolecules made mostly from carbon and hydrogen atoms includes fats, oils, and waxes.
- subunit of which nucleic acids are composed.
- atom that has positive or negative charge.
- process of noticing and describing evets or processes in a careful orderly way.
- compounds that produce hydroxide ions (OH-) in solution.
- group in an experiment that is exposed to the same conditions as the experimental group except for the one independent variable.
55 Clues: change over time. • scientific study of life • dissolving substance in a solution. • signals to which an organism responds. • reactant of an enzyme catalyzed reaction. • atom that has positive or negative charge. • small chemical units that make up polymers. • mixture of water and non-dissolved material. • substance that is dissolved into a solution. • ...
Bio 2022-12-13
Across
- Series of proteins used to transport energy from the electron carriers
- flattened sac inside of a chloroplast
- protein that catalyzes the formation of the energy and allows hydrogen ions to pass through
- reaction reaction that uses light and light-absorbing pigments
- the barrier of the cell
- Light-absorbing compound
- cluster of chlorophyll and proteins that are essential for photosynthesis
- the man that worked out the Calvin Cycle
Down
- process where plants are adapted to dry climates
- Process where plants use sunlight to create food
- assists chlorophyll in capturing light
- a green pigment
- a complex carbohydrate that is the main part of cell membranes and walls
- light independent reaction used to synthesize high-energy sugars
- protein that helps speed up the chemical reactions in bodies
- Used to store and release energy
- atom with a net electric charge
- cytoplasm-like fluid in the chloroplast
18 Clues: a green pigment • the barrier of the cell • Light-absorbing compound • atom with a net electric charge • Used to store and release energy • flattened sac inside of a chloroplast • assists chlorophyll in capturing light • cytoplasm-like fluid in the chloroplast • the man that worked out the Calvin Cycle • process where plants are adapted to dry climates • ...
Fears and Phobias 2022-11-01
Across
- (v) make fun of
- (v) made something begin
- (adj) able to be hurt
- (v) make something start working
- (adj) easy to upset
- (adj) very strong
- (adjective) possible
- (adj) do not know about
- (noun) way you feel because of something
- (v) to win against
Down
- (n) chemical information to control inherited body trait
- (n) tiny brain part that remembers things that bring on strong feelings
- (n) wind that makes airplane go up, down, side to side
- (n) strong fear reaction to a thing or situation
- (v) to not have anymore
- (v) backs up to support
- (v) warn
- (v) dealing with it
- (n) feeling your body has
- (n) not grown yet
20 Clues: (v) warn • (v) make fun of • (n) not grown yet • (adj) very strong • (v) to win against • (v) dealing with it • (adj) easy to upset • (adjective) possible • (adj) able to be hurt • (v) to not have anymore • (v) backs up to support • (adj) do not know about • (v) made something begin • (n) feeling your body has • (v) make something start working • (noun) way you feel because of something • ...
Crossword 2024-09-17
Across
- กระบวนการที่อะตอมหรือโมเลกุลเปลี่ยนไปเป็นไอออนโดยการเพิ่มหรือลดอิเล็กตรอน
- อะตอมของธาตุเดียวกันที่มีจำนวนโปรตอนเท่ากัน แต่จำนวนนิวตรอนต่างกัน
- พอลิเมอร์ชนิดหนึ่งที่มีลักษณะยืดหยุ่น สามารถหล่อเป็นรูปร่างต่างๆ ได้
- สารที่ช่วยลดการเกิดปฏิกิริยาออกซิเดชันในร่างกาย ซึ่งอาจทำลายเซลล์
- น้ำตาลชนิดหนึ่งที่เป็นแหล่งพลังงานหลักของร่างกาย
- เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์
- สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล
- การได้รับอิเล็กตรอนหรือการลดออกซิเจนในปฏิกิริยาเคมี
- acid กรดที่เกิดจากไขมัน ประกอบด้วยหมู่กรดคาร์บอกซิลิกและสายคาร์บอน
- สารประกอบที่เกิดจากการรวมกันของกรดกับแอลกอฮอล์ มีกลิ่นหอม ใช้ในอุตสาหกรรมเครื่องหอมและสารแต่งกลิ่น
- สารอาหารประเภทน้ำตาลและแป้ง เป็นแหล่งพลังงานหลักของร่างกาย
- สารที่ใช้สำหรับทำความสะอาด ประกอบด้วยเกลือของกรดไขมัน
- สารอาหารที่ร่างกายต้องการในปริมาณน้อย เพื่อช่วยในการทำงานของระบบต่างๆ ในร่างกาย
- กระบวนการรวมตัวของนิวเคลียสอะตอมเพื่อเกิดเป็นอะตอมใหม่และปลดปล่อยพลังงาน
- ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ
- สารอาหารสำคัญที่สร้างจากกรดอะมิโน ช่วยในการซ่อมแซมและสร้างเนื้อเยื่อในร่างกาย
- สารประกอบเคมีที่ประกอบด้วยธาตุไฮโดรเจนและคาร์บอนเท่านั้น เช่น มีเทน
- acid หน่วยโครงสร้างพื้นฐานของโปรตีน ประกอบด้วยหมู่อะมิโน และหมู่กรดคาร์บอกซิลิก
- สารที่ใช้ทำความสะอาด เช่น น้ำยาล้างจานและผงซักฟอก
- กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า
- สารที่เพิ่มความเร็วของปฏิกิริยาเคมีโดยไม่ถูกเปลี่ยนแปลงในกระบวนการ
Down
- สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย
- ปฏิกิริยาที่สารรวมตัวกับออกซิเจนและปล่อยพลังงานออกมาในรูปของความร้อนและแสง
- ปฏิกิริยาที่สารสองหรือมากกว่ามารวมกันเป็นสารประกอบใหม่
- สารที่มีรสเปรี้ยว สามารถปล่อยไฮโดรเจนไอออนในสารละลาย
- การแยกนิวเคลียสอะตอมออกเป็นสองส่วนและปลดปล่อยพลังงาน
- สารประกอบที่เกิดจากปฏิกิริยาระหว่างกรดและเบส เช่น เกลือแกง
- สารที่ใช้ละลายสารอื่นๆ เพื่อสร้างสารละลาย เช่น น้ำ หรือแอลกอฮอล์
- reaction ปฏิกิริยาที่เกิดขึ้นพร้อมกันทั้งการออกซิเดชันและการรีดักชัน
- ปฏิกิริยาที่สารประกอบแตกตัวเป็นสารใหม่ที่ง่ายกว่า
- สารที่เข้าร่วมในปฏิกิริยาเคมี
- การสูญเสียอิเล็กตรอนหรือการรวมตัวกับออกซิเจนในปฏิกิริยาเคมี
- สารที่เกิดขึ้นจากปฏิกิริยาเคมี
- reaction กระบวนการที่สารตั้งต้นเปลี่ยนไปเป็นผลิตภัณฑ์ใหม่
- สารประกอบที่เกิดจากการเชื่อมต่อของโมเลกุลเล็กๆ ซ้ำๆ กัน เช่น พลาสติก
- สถานะที่ปฏิกิริยาไปข้างหน้าและย้อนกลับเกิดขึ้นพร้อมกันในอัตราเท่ากัน
- decay กระบวนการที่ธาตุกัมมันตรังสีสลายตัวไปเป็นธาตุใหม่และปล่อยรังสี
- เวลาที่ใช้ให้ธาตุกัมมันตรังสีลดลงครึ่งหนึ่งจากปริมาณเริ่มต้น
- ค่าแสดงความเป็นกรด-เบสในสารละลาย มีค่าตั้งแต่ 0-14 โดยค่าต่ำกว่า 7 แสดงว่าเป็นกรด และสูงกว่า 7 เป็นเบส
- สารที่สามารถรับไฮโดรเจนไอออนหรือปล่อยไฮดรอกไซด์ไอออนในสารละลาย
- โปรตีนที่ทำหน้าที่เร่งปฏิกิริยาเคมีในสิ่งมีชีวิต
41 Clues: สารที่เข้าร่วมในปฏิกิริยาเคมี • สารที่เกิดขึ้นจากปฏิกิริยาเคมี • กระบวนการแยกสารประกอบด้วยกระแสไฟฟ้า • สารที่แยกตัวออกมาในรูปของแข็งจากสารละลาย • สารประกอบเคมีที่มีหมู่ไฮดรอกซิล เช่น เอทานอล • น้ำตาลชนิดหนึ่งที่เป็นแหล่งพลังงานหลักของร่างกาย • เบสที่สามารถละลายในน้ำได้ เช่น โซเดียมไฮดรอกไซด์ • ปฏิกิริยาระหว่างกรดกับเบสที่ทำให้เกิดเกลือและน้ำ • ...
chem 2026-01-07
Across
- substance formed from a reaction
- energy dealing with motion
- a unit of an element
- energy needed to raise temp of 1 gram
- direct change from solid to gas
- you can not create or destroy energy
- heat needed to bring a liquid to a boul
- substance formed from two or more elements
Down
- heat transferred to surroundings
- heat is equal between to systems
- study of heat and work
- substance thats adds to a chemical reaction
- energy transferred to system
- pure substance that is made of one type of atom
- when atoms share electrons
- energy from position (gravity)
- stuff not in system
- unit of energy
- collection of things
- heat required to change a solid to liquid
20 Clues: unit of energy • stuff not in system • a unit of an element • collection of things • study of heat and work • energy dealing with motion • when atoms share electrons • energy transferred to system • energy from position (gravity) • direct change from solid to gas • heat transferred to surroundings • substance formed from a reaction • heat is equal between to systems • ...
Chapter 12 Science Crossword Puzzle Assignment 2025-04-23
Across
- liquid, gas, or solid
- rusting
- the total mass before a chemical reaction is the same as the total mass after the chemical reaction.
- some physical changes can go back to their original state.
- process of when a solid turns into a liquid.
- is the same substance after change.
- changed in shape or size
- change in color formation of a precipitate, formation of gas bubbles.
Down
- the object changed the heat, light or making a new substance.
- changes the substance or composition
- the process of when a liquid turns into a gas
- ability to mix evenly in another
- spoiling food
- change in shape size or form without changing the composition of the object.
14 Clues: rusting • spoiling food • liquid, gas, or solid • changed in shape or size • ability to mix evenly in another • is the same substance after change. • changes the substance or composition • process of when a solid turns into a liquid. • the process of when a liquid turns into a gas • some physical changes can go back to their original state. • ...
Chemical Equations 2023-02-17
Across
- Amount of matter in an object
- Equal
- A representation of a chemical reaction in the form of symbols and chemical formulas
- Undergoes a chemical change
- A french Chemist who contributed to our understanding of chemical changes
Down
- A change in the appearance of a substance
- Any substance that has mass and takes up space
- A change in the composition of a substance
- The end result of a chemical equation
- Represents the direction of a transformation in an equation
10 Clues: Equal • Undergoes a chemical change • Amount of matter in an object • The end result of a chemical equation • A change in the appearance of a substance • A change in the composition of a substance • Any substance that has mass and takes up space • Represents the direction of a transformation in an equation • ...
SQSA 2 Practice Game 2024-01-17
Across
- what is contained inside the nucleus of an atom
- reaction reaction that has to do with a change in the nucleus of an atom
- replacement does this equation represent AB+CD-AD
- what is the highest penetrating power from the three types of radiation
- how many valence electrons is when the atoms stop looking for bonding
- metals- the types of metals with the highest reactivity
- what does this equation represent =-II/I=
- - what is another thing contained inside the nucleus of an atom
Down
- what does this equation represent A+B-AB
- replacement what does this equation represent AB+C- A+BC
- the valence electron count for alkali metals
- what does this equation represent AB-A+B
- reaction- what is a reaction called when it can't reverse back
- what penetrating power is in between both of the highest and lowest penetrating powers
- lowest penetrating power from the three types of radiation
15 Clues: what does this equation represent A+B-AB • what does this equation represent AB-A+B • what does this equation represent =-II/I= • the valence electron count for alkali metals • what is contained inside the nucleus of an atom • replacement does this equation represent AB+CD-AD • metals- the types of metals with the highest reactivity • ...
Scence cossword. Kira Keller 2021-12-02
Across
- The ___________ rate is how quickly the conentration o the reactents decrease or increase.
- A 7 on the pH scale is a _________.
- No ______ are gained or lost during any reaction
- ____________ is when energy is absorbed in the reaction.
Down
- The pH scale goes up to 14.
- It is a _____ if it is below 7.
- The chemical __________must be balanced.
- ____________ is when energy is released in the reaction.
- ____ acid and bases do not ionize completely in water.
- _____ is a 6 on the pH scale.
10 Clues: The pH scale goes up to 14. • _____ is a 6 on the pH scale. • It is a _____ if it is below 7. • A 7 on the pH scale is a _________. • The chemical __________must be balanced. • No ______ are gained or lost during any reaction • ____ acid and bases do not ionize completely in water. • ____________ is when energy is released in the reaction. • ...
Andrews crossword 2015-09-25
Across
- a molecule that binds to an enzyme and decreases its activity
- protein protein that accelerates the speed of chemical reactions such as digestive enzymes which break down food in the digestive tract
- a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
- protein coordinate body activities such as insulin which regulates the amount of sugar in the blood.
- (of a reaction or process) accompanied by or requiring the absorption of heat.
- the process of breaking down food by mechanical and enzymatic action into substances that can be used by the body.
- protein help control movement such as proteins in the muscles which help control contraction.
- a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
- bonding an attraction between atoms that allows the formation of chemical substances that contain two or more atoms
- protein used for support such as connective tissue and keratin that forms hair and finger nails.
- a figure expressing the acidity or alkalinity of a solution on a logarithmic scale on which 7 is neutral, lower values are more acid, and higher values more alkaline
- acids a simple organic compound containing both a carboxyl (—COOH) and an amino (—NH2) group.
Down
- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water
- reaction transformation of one molecule to a different molecule inside a cell and mediated by enzymes
- any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms, especially as structural components of body tissues such as muscle, hair, collagen, etc., and as enzymes and antibodies
- (of a reaction or process) accompanied by the release of heat.
- energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
- any of a large group of organic compounds occurring in foods and living tissues and including sugars, starch, and cellulose
- acid a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.
- a substance produced by a living organism that acts as a catalyst to speed up a specific biochemical reaction.
- the chemical processes that occur within a living organism in order to maintain life.
- form the basic structural unit of a nucleic acid
- a molecule that can be bonded to other identical molecules to form a polymer.
- protein move many substances throughout the body. An example is hemoglobin that transports oxygen from the lungs to the other parts of the body to be used by cells in cellular respiration
24 Clues: form the basic structural unit of a nucleic acid • a molecule that binds to an enzyme and decreases its activity • (of a reaction or process) accompanied by the release of heat. • a molecule that can be bonded to other identical molecules to form a polymer. • (of a reaction or process) accompanied by or requiring the absorption of heat. • ...
Photosynthesis Unit Vocabulary Terms 2020-12-06
Across
- makes the capture of light energy possible
- State: the state of a physical system (as of an atomic nucleus or an atom) having the least energy of all the possible states
- Small pores, usually on the undersides of leaves, that are the primary sites for gas exchange in plants
- one that absorbs light with a wavelength of about 700 nanometers
- C sugar produced from photosynthesis.
- complex: light-harvesting systems (LHC) which are protein-pigment complexes in or on photosynthetic membranes.
- allosteric effector of hemoglobin that regulates the affinity of hemoglobin for oxygen and facilitates the release of oxygen to the tissues
- inner area of a chloroplast where the light-independent reactions occur. The stroma is the water-based, fluid-filled area of the chloroplast.
- in cells that has high energy bonds which can be broken rather easily to provide energy for cellular work.
- reductase
- diphospate located on ATP use and used to make ATP
- ATpase acts as an enzyme and uses the energy from H+ diffusion to change its shape and bring ADP closer to P to make ATP with energy from first photon in it.
- 3 Phosphate: oxidized by NAD +
- the chemical decomposition of materials under the influence of light.
- one of the structural units of a chloroplast in vascular plants, consisting of layers of thylakoids.
- :An organelle where photosynthesis occurs.
- the cornerstone of atmospheric CO 2 fixation by the biosphere.
- of, relating to, or produced by electromagnetism
- Bisphosphate
- pathway: is a pathway used by the plants that are found in deserts or arid conditions for the fixation of carbon without losing water.
- substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Down
- production of an excited state of a quantum system by photon absorption
- Reactions: photolysis reactions
- Reactions: Depending on the chemical reaction, oxidation and reduction may involve any of the following for a given atom, ion, or molecule:
- membrane inside the chloroplast containing photosystems; e-transport chain; and ATPase
- Dioxide :gas molecule from atmosphere that combines with H+'s plus e-'s in water to make glucose
- Fixation: process that involves fixing a carbon into place
- branch of chemistry that deals with the relations between electrical and chemical phenomena.
- Center: A specific chlorophyll molecule that holds light energy.
- refers to the cyclical process where the photosynthetic enzyme Rubisco fixes carbon dioxide into the sugars that fuel plant growth and productivity.
- synthase: an enzyme that directly generates adenosine ATP during the process of cellular respiration.
- a salt or ester of phosphoglyceric acid
- destination of e- at the end of the "photo" reaction
- a chemical reaction between two compounds after osmosis through an intervening semipermeable membrane
- the thin, limiting covering of a cell or cell part.
35 Clues: reductase • Bisphosphate • Reactions: photolysis reactions • 3 Phosphate: oxidized by NAD + • C sugar produced from photosynthesis. • a salt or ester of phosphoglyceric acid • makes the capture of light energy possible • :An organelle where photosynthesis occurs. • of, relating to, or produced by electromagnetism • diphospate located on ATP use and used to make ATP • ...
chemistry 2024-05-03
Across
- the study of the ratio between reactants
- ion with a positive electrical charge
- subatomic particle with a negative charge
- a three dimensional description of the most likely
- an ion with a negative electrical charge.
- a chemical substance that contains hydrogen
Down
- a substance that changes in a chemical reaction
- the science and study of matter
- unit of thermal energy
- halogen with atomic number 17 and element symbol Cl
- a homogeneous mixture
- a chemical link formed between atoms in molecules
- a substance that can accept hydrogen ions in water
13 Clues: a homogeneous mixture • unit of thermal energy • the science and study of matter • ion with a positive electrical charge • the study of the ratio between reactants • subatomic particle with a negative charge • an ion with a negative electrical charge. • a chemical substance that contains hydrogen • a substance that changes in a chemical reaction • ...
Chemical Equations 2023-02-17
Across
- Amount of matter in an object
- Equal
- A representation of a chemical reaction in the form of symbols and chemical formulas
- Undergoes a chemical change
- A french Chemist who contributed to our understanding of chemical changes
Down
- A change in the appearance of a substance
- Any substance that has mass and takes up space
- A change in the composition of a substance
- The end result of a chemical equation
- Represents the direction of a transformation in an equation
10 Clues: Equal • Undergoes a chemical change • Amount of matter in an object • The end result of a chemical equation • A change in the appearance of a substance • A change in the composition of a substance • Any substance that has mass and takes up space • Represents the direction of a transformation in an equation • ...
Science Experiments #10 2023-06-04
Across
- Soda (Reaction with vinegar)
- (Harnessing energy from the sun)
- (Laws of motion)
- (Scientific prediction)
- (Lab container)
- (Pendulum experiments)
- (Weightlessness in space)
- (Genetic code)
Down
- (Magnifies small objects)
- Dish (Cultivating microorganisms)
- (Separating compounds with electricity)
- (Acidity or alkalinity)
- (Speeds up chemical reactions)
- (Erupting model)
- (Attracts metal)
15 Clues: (Genetic code) • (Lab container) • (Laws of motion) • (Erupting model) • (Attracts metal) • (Pendulum experiments) • (Acidity or alkalinity) • (Scientific prediction) • (Magnifies small objects) • (Weightlessness in space) • Soda (Reaction with vinegar) • (Speeds up chemical reactions) • (Harnessing energy from the sun) • Dish (Cultivating microorganisms) • ...
