Across
- 5. Carbon is an ____ as it is a pure substance that cannot be changed into anything simpler.
- 7. Coke is a ____ because it is the same all throughout.
- 9. A cube of tungsten if cut, will go through a ____ because it is still tungsten.
- 11. Table salt is ____ because it dissolves in water.
- 12. Rust is the result of ____, as it is iron which has reacted with oxygen over time.
- 14. 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.
- 16. When water hits the ____ it turns from a liquid to a gas.
Down
- 1. Hydrogen Peroxide is a _____ because it is composed entirely of one identical particles, H2O2.
- 2. Petroleum is considered ____, because of its ability to react rapidly with oxygen and release energy.
- 3. Chocolate has a relatively low ____ since it turns to a liquid with just body heat.
- 4. Cake is not a ____ as there are parts of the cake that are completely different from another.
- 6. Methane has the ____ CH4.
- 8. Aluminum, commonly being pressed into thing sheets is a ____ material.
- 10. Hydrogen is the first element on the ____ of elements.
- 13. This clock is ____ because it has mass and volume.
- 15. Copper has good ____ as it allows for electrons to travel between atoms easily.