Across
- 1. - The state of matter with a fixed shape and a fixed volume
- 3. - The state of matter with no definite shape and no definite volume
- 5. - A large, chain-like molecule made of repeating smaller subunits (monomers)
- 7. - A pure substance consisting of only one type of atom
- 9. REACTION - A process where substances undergo a chemical change to form new substances
- 10. - The amount of space an object or substance occupies
- 12. - The amount of matter contained inside an object
- 13. CHANGE - A change in form or state that does not produce a new substance (e.g., melting)
- 15. - Harmful or poisonous to living organisms
- 17. - Capable of being broken down naturally by microorganisms over time
- 19. - The tendency of an object to float or sink in water or another fluid
Down
- 2. - Unable to dissolve in a liquid (like plastic in seawater)
- 4. - A material made by humans using chemical processes rather than occurring naturally
- 6. - Able to be dissolved in a liquid (like salt in water)
- 8. - The ratio of an object's mass to its volume
- 9. - A substance made up of two or more different elements chemically bonded together
- 11. POINT - The temperature at which a solid turns into a liquid
- 14. - A group of two or more atoms held together by chemical bonds
- 16. - The state of matter with a definite volume but no definite shape
- 18. - The basic unit of a chemical element; the building block of matter