Across
- 2. What you get at the end of a reaction.
- 3. A mixture where bigger particles can settle to the bottom.
- 6. How much space something takes up.
- 8. a reaction where the parts of two different compounds switch places with one another to form two new compounds
- 11. A mixture that is the same everywhere; it looks uniform.
- 12. A reaction where two different elements or compounds unite to form a single, more complex substance
- 13. Happens by itself
- 16. A reaction where one compound splits apart into two or more substances
- 20. When substances change into new substances.
- 22. A reaction written so each type of atom matches on both sides.
- 23. Two or more atoms stuck together.
- 24. type of reaction where energy (heat) is absorbed; feels cold
- 25. Matter made of only one kind of particle.
- 27. In a closed system the total mass stays the same.
- 28. A homogeneous mixture where one thing is dissolved in another.
- 29. Atoms moving around to make new molecules.
- 31. A reaction where a free element replaces another in a compound
Down
- 1. How much matter something has.
- 2. Something you can observe or measure without changing it.
- 4. Type of reaction where energy (heat) is released; feels hot
- 5. What you start with in a reaction.
- 7. The reaction of oxygen with a compound containing carbon and hydrogen
- 9. A system where matter cannot get in or out.
- 10. A way to separate a mixture without making new substances.
- 14. When a substance mixes evenly into a liquid.
- 15. A system where matter can get in or out.
- 17. A “code” that shows what atoms are in something and how many.
- 18. A mixture that is not the same everywhere; you can see different parts.
- 19. A tiny piece of matter, like an atom or molecule.
- 21. Two or more substances mixed together but not bonded.
- 26. A pure substance made from two or more elements joined together.
- 30. A mixture with tiny particles mixed in that don’t quickly settle.