Across
- 2. Mass/volume (mountains/valleys).
- 3. A Variable held constant to determine if an effect occurred.
- 5. This change is one of two, it occurs when the production of one or more new substances.
- 8. Something that can change in an experiment.
- 10. Contains protons and neutrons.
- 11. The space an object occupies
- 12. At the end of the Scientific Method, this step either supports or disapproves hypothesis.
- 13. All atoms of a given substance are?
Down
- 1. A change in matter that does not change the identity of the substance
- 4. Has no charge.
- 6. Have a negative charge.
- 7. When a reaction occurs, it is simply a _____ of atoms.
- 9. Ernest Rutherford shot ___ particles at gold foil.
- 14. Everything is made up of '?' and cannot be broken down.