Matter matters
Across
- 4. purest form of matter
- 6. has mass and takes up space
- 7. the way a substance reacts with others to form new substances with different properties
- 9. have a fixed, uniform composition
- 10. a mixture that that separates into different layers when it is no longer agitated
- 12. particles can be seen in a beam of light
- 13. two atoms
- 19. mixture of 2 or more substances mixed so thoroughly that it is tough to tell them apart
- 20. a characteristic of a substance that can be observed or measured without changing the composition of that substance
- 22. made up of two or more elements and can be broken down into these elements.
Down
- 1. the parts are evely mixed (brass, steel, air)
- 2. the change of a substance from a liquid to a gas
- 3. mixture made up of 2 or more substances that are notably different from each other
- 5. substances that cannot be broken down into simpler substances example gold and lead
- 8. without a change in composition (density, malleability, color)
- 11. represents how many atoms of each element in a compound
- 14. occurs when a substance changes composition by forming one or more new substances
- 15. the tiny particles that make up all matter
- 16. changing a liquid to a gas or vapour
- 17. point the temperature at which a solid becomes a liquid
- 18. use of filter paper or fine porous ceramic to separate a solid from a liquid
- 21. the substance(gas, liquid or solid) dissolves in the liquid to form a solution