Across
- 3. A temperature scale with 180 degrees between the freezing point and the boiling point of water; water freezes at 32℉ and boils at 212℉.
- 4. heat The quantity of heat energy, measured in J/g℃, it takes per gram to raise the temperature one ℃.
- 7. A physical property that depends on how much matter is present; mass, volume, moles, etc.
- 9. Describes how close a measurement is to the true value.
- 10. Law that states that that energy, matter, or mass can never be created or destroyed; only converted from one form to another.
- 12. An amount of space having length, width, and height.
- 13. A temperature scale that starts at absolute zero and has the same size degrees as Celsius degrees (= Tcelsius + 273).
- 16. A chemical compound or type of chemical bond that forms when 1 metal and 1 nonmetal react with one another.
- 17. A measure of a system’s ability to change or create change in other systems, measured in joules.
- 19. Anything that has mass and takes up space; solids, liquids and gases.
- 21. A temperature scale with 100 degrees between the freezing point and boiling point of water; water freezes at 0℃ and boils at 100℃.
- 22. The mass of 1 mole of a compound with a given chemical formula; also known as "formula" mass.
- 23. The smallest part of an element that can still retain the properties of that element; a single unit of an element.
- 25. One of the seven (1-7) horizontal rows of the periodic table.
- 26. A unique type of atom different in the number of protons; found in various groups on the periodic table.
- 29. (Z) the number of protons in the nucleus, unique to each differing element on the periodic table.
- 31. A solution containing a lot of solute or solutes compared to solvent.
- 32. Measures how much matter there is in something; units of grams or kilograms(SI).
- 33. Property such as mass, density, or color that you can measure or see through direct observation.
- 36. The energy required to melt or freeze 1g of a material at a constant temperature, pressure, and at the melting point; heat of ?
- 38. The substance that makes up the biggest % of a mixture, and is usually a liquid; often water.
- 39. An interrelated group of matter and energy that we choose to investigate.
- 40. The fundamental SI unit of energy (and heat).
- 41. The erratic, jerky motion of tiny particles suspended in water, due to the random impacts of individual molecules in thermal motion.
Down
- 1. Property that can only be observed when one substance changes into a different substance- such as iron’s tendency to rust.
- 2. The lowest possible temperature, at which the energy of molecular motion is essentially zero, or as close to zero as allowed by quantum theory.
- 5. A kind of matter that cannot be separated into other substances by physical means such as heating, cooling, filtering, drying, sorting, or dissolving; for example, single elements or compounds.
- 6. A solution containing relatively little solute compared to solvent.
- 8. The energy required to completely boil off or condense a substance at a constant temperature, pressure, and at the boiling point; heat of ?
- 10. Any substance containing more than 1 element in which atoms of different elements are chemically bonded together.
- 11. The amount of any substance that contains 6.02 x 10²³ particles of that substance or the average atomic mass in grams is = to one of these for any element.
- 14. A measure of the average kinetic energy of atoms or molecules, units of degrees Fahrenheit (℉), degrees Celsius (℃), or Kelvins (K).
- 15. A tentative explanation for something, or a possible answer to a scientific question.
- 18. The SI unit of mass.
- 20. A chemical compound or type of chemical bond that forms when 2 nonmetals react; consist of molecules.
- 24. Any substance in a solution that gets dissolved; often a solid; the NaCl that dissolves in water.
- 25. Describes how close measured values are to each other.
- 27. A scientific explanation that is supported by evidence.
- 28. A neutral group of atoms that are covalently bonded together.
- 30. The number of moles of solute per liter of solution; M = n/V or M = moles/Liter.
- 34. A mixture that is uniform (the same) throughout, any sample has the same composition as any other sample.
- 35. A physical property that does not depend on how much matter is present; color, boiling point, concentration, etc.
- 37. A mixture of different substances that is NOT UNIFORM, different samples may have different compositions.