Across
- 4. Heating a substance until it turns into vapor, then cooling the vapor until it becomes liquid.
- 8. A method for separating parts of a mixture when one part is either heavier or lighter than the rest.
- 12. A measure of the amount of space that matter occupies.
- 14. A substance that cannot be broken apart by regular chemical reactions.
- 16. A compound consisting of multiple chemical components that are not chemically bonded together.
- 17. Is used for separating seeds from the harvested stalks.
- 19. A kind of matter with certain properties that make it less solid than a solid but more solid than a gas.
- 20. Any material with a definite chemical composition
Down
- 1. Two or more atoms chemically bonded together, forming the smallest unit of a substance that keeps its composition and properties.
- 2. The transformation of a substance from its liquid state to a gaseous state occurs when heat is applied.
- 3. A way to separate substances in a mixture by simply using your hands to pick them out.
- 5. A tiny piece of matter that characterizes a chemical element uniquely.
- 6. Atoms combining to create chemical compounds to make the resulting product stable.
- 7. A technique to separate particles in a mixture by their varying sizes.
- 9. The amount of gravitational force acting on it.
- 10. a substance that is in a gaseous, or vaporous, state of matter.
- 11. A substance composed of multiple chemical elements in a fixed ratio.
- 13. Anything that takes up space and can be weighed.
- 15. The process of separating solid particles from a liquid or gas using a filter that allows the fluid to pass through while trapping the solids.
- 18. A substance that is in the solid state, one of the four fundamental states of matter.