Across
- 1. all the particles are close together
- 3. The third thing that makes a fire burn other than oxygen and heat
- 5. the name of a baby before it comes out of the mothers womb
- 7. This is the reaction that happens when an acid and alkali come together
- 9. This is caused by the earth spinning on its axis
Down
- 2. are chemical reactions reversible or irreversible?
- 4. the force that keeps the particles in an object together
- 5. Without this force we would be slipping everywhere!
- 6. this force keeps the planets in orbit
- 8. the 6th planet from the sun