T1L3 - Crossword Labs

2. breaks down into water and oxygen gas when it's poured on a cut on your skin
5. any change that alters only the shape or ___ of matter is a physical change
9. a natural chemical change that occurs in plants and other photosynthetic organisms
10. a change that alters the form or appearance of a material but does not make the material into another substance
11. a physical change
13. as this is added, the sugars turn into a brown crust
15. an example of a physical change
16. 1st mentioned method of separating
17. when nothing is lost or gained

1. yeast reacts with sugars in the mixture to produce bubbles of ___, which makes the dough rise
3. a useful tool for causing changes in states of matter
4. solid, liquid, gas
5. T or F-when something burns, it loses mass or disappear
6. a change in which one or more substances combine or break apart to form new substances
7. when it burns, methane combines with oxygen in the air and forms new substances
8. the slow combination of a bright metal with sulfur or another substance
11. 2nd mentioned method of separating
12. the combination of a substance with oxygen, such as when iron rusts
14. when a solid changes to a liquid