Across
- 3. the part of a magenet where it is strongest
- 7. the total amount of matter in an object
- 8. this type of change creates new matter and cannot be reversed
- 9. Resources that will run out or not be replenished for thousands of years
- 10. state of matter that has no definite volume and no definite shape
- 12. the part of a plant where photosynthesis takes place
Down
- 1. The rock at the Earth's surface that forms a shell around the Earth
- 2. Resources that are replaced naturally and cannot be used up
- 4. this type of change can be reversed
- 5. Using resources responsibly, so the resource doesn't run out for future generations
- 6. The center of a cell that control cells growth; "the brain"
- 11. elements are made up of these
- 13. particles in this state of matter can move faster and can change position