Chemistry

2. A colored substance used to color materials like fabric
6. Giving off a type of energy that can be dangerous to humans
8. A substance people used to think was escaping a material substance as it burned or rusted
10. A process that produces a new element by changing the number of protons in an atom's nucleus
12. Any substance that cleans
13. A single type of molecule made of more than one type of atom
14. A chemical that fabric was soaked in to prevent its color from fading
15. Aristotle's fifth element that he thought composed the heavenly bodies

1. Man-made
3. A process where oxygen combines with a substance
4. A substance to be burned that will produce energy, like wood or paper
5. The Law of Conservation of ____ says that substances in a chemical reaction are neither created nor destroyed.
6. A chemical ___ is the changing of a substance into a new substance.
7. Burning
9. Water that has high amounts of calcium, magnesium, and/or iron
11. A chemical found in wood ash used to make soap