Across
- 3. - Is a mixture in which one substance of microscopically dispersed insoluble or soluble particles is suspended throughout another substance.
- 6. - is a form of matter in which many of the electrons wander around freely among the nuclei of the atoms.
- 9. - is a material made up of two or more different substances which are physically combined
- 13. - is a unit of measure of the rate of electron flow or current in an electrical conductor.
- 14. - Is the quantity of three-dimensional space occupied by a liquid, solid, or gas.
- 15. - of matter include any traits that can be measured, such as an object's density, colour, mass, volume, length, malleability, melting point, hardness, odour, temperature, and more.
- 16. - of an object can be defined as the distance of separation between any two points at the extreme ends of the object.
- 18. - is the smallest component of an element, characterized by a sharing of the chemical properties of the element and a nucleus with neutrons, protons and electrons.
- 19. - meaning it has a shape that won't change.
- 20. - Or ionisation, is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes.
- 21. - a thing that is composed of two or more separate elements.
- 23. - symbol m, is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum
- 24. - is the branch of chemistry that deals with the physical structure of chemical compounds, the way they react with other matter and the bonds that hold their atoms together.
- 26. - is a measure of the amount of matter in an object.
- 28. - Sulfur
- 29. - is the process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.
- 31. - is the Standard International ( SI ) unit of thermodynamic temperature.
- 32. - is a process used to separate solids from liquids or gases using a filter medium that allows the fluid to pass through but not the solid.
- 33. - is the SI unit for the amount of a substance. Its symbol is mol.
- 35. - is the property of matter which reflects the quantity of energy of motion of the component particles
- 37. - is a state of matter that has no fixed shape and no fixed volume
- 38. - is a substance whose atoms all have the same number of protons
- 39. - is a sample of matter that retains its shape and density.
- 40. Man's best friend
- 41. - the form of an object or its external boundary
- 43. - compounds are molecules associated with living organisms. These include carbohydrates, lipids, nucleic acids, proteins, enzymes, and hydrocarbon fuels.
- 44. Has a trunk
- 45. - chemistry that deals with the chemical compounds and processes occurring in organisms.
- 46. - occurs when a system is in its lowest energy state, or chemical equilibrium with its environment.
- 48. - such as mass and volume, depend on the amount of matter being measured.
- 49. Large marsupial
- 50. - is the degree to which a chemical substance or a particular mixture of substances can damage an organism.
Down
- 1. - is the process by which water vapor in the air is changed into liquid water.
- 2. Property - are used to observe and describe matter which includes appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many others.
- 3. - a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo
- 4. - such as density and color, do not depend on the amount of the substance present
- 5. - The process through which a substance changes from a liquid to a solid.
- 7. - is examining materials by separating them into their components and identifying each one and how much there is of each one.
- 8. - is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized.
- 10. - is the geological process in which sediments, soil and rocks are added to a landform or land mass.
- 11. - is the tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
- 12. - is defined as the duration in which all things happen, or a precise instant that something happens.
- 17. - compounds are compounds which do not contain carbon and are not derived from living matter.
- 18. - degree of conformity of a measure to a standard or a true value
- 22. - element that is naturally radioactive. An isotope of uranium 235, is the main fuel for nuclear reactors and atomic bombs (see also atomic bomb).
- 23. - is the process by which a substance changes from the solid phase to the liquid phase.
- 25. - is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.
- 27. Likes to chase mice
- 30. - is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.
- 31. - symbol kg, is the SI unit of mass.
- 34. - (cd) is the SI base unit of luminous intensity.
- 36. - Is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension.
- 42. - the quality, condition, or fact of being exact and accurate.
- 45. Flying mammal
- 47. - meaning it has a shape that would change.