Chemistry vocabulary
Across
- 2. Positive energy in a atom
- 7. a change that you cant see
- 8. change in speed direction or both
- 9. When the earth makes contact with other earth
- 11. direction plus speed
Down
- 1. The old supercontinent
- 3. The center of a atom
- 4. The movement of plates that caused pangea
- 5. Negative energy in a atom
- 6. Push or pull
- 9. has 5 different elements to cause
- 10. how fast a object goes over time