Chemistry Crossword

4. When water hits the ____ it turns from a liquid to a gas.
5. Coke is a ____ because it is the same all throughout.
8. Methane has the ____ CH4.
9. Carbon is an ____ as it is a pure substance that cannot be changed into anything simpler.
12. Aluminum, commonly being pressed into thing sheets is a ____ material.
13. Hydrogen Peroxide is a _____ because it is composed entirely of one identical particles, H2O2.
14. Rust is the result of ____, as it is iron which has reacted with oxygen over time.
15. Water is often an example to use when describing ____ of matter, because it can be commonly seen as a solid, a liquid, and a gas.

1. Cake is not a ____ as there are parts of the cake that are completely different from another.
2. A cube of tungsten if cut, will go through a ____ because it is still tungsten.
3. Table salt is ____ because it dissolves in water.
6. Hydrogen is the first element on the ____ of elements.
7. Petroleum is considered ____, because of its ability to react rapidly with oxygen and release energy.
10. Chocolate has a relatively low ____ since it turns to a liquid with just body heat.
11. This clock is ____ because it has mass and volume.