Across
- 4. the force that keeps the particles in an object together
- 6. the third things that fire needs to burn other than oxygen and heat
- 7. the 6th planet from the sun
- 8. the name of a baby before it comes out of the mothers womb
- 9. The particles are close together
Down
- 1. is a chemical change reversible or irreversible?
- 2. what happens when an acid and alkali come together
- 3. This force keeps the planets in orbit
- 5. what controls the cell activity in a cell
- 10. this is caused by the earth spinning on its axis