Across
- 2. magma on the outside of a volcano
- 5. measures temperature
- 7. the rate at which something is able to move
- 9. powerhouse of a cell
- 12. a neutrally charged particle
- 14. study of Earth's physical structure
Down
- 1. brain of the cell
- 3. the science or practice of farming
- 4. a positively charged particle
- 6. a negatively charged particle
- 8. a bowl-shaped depression at the top of a volcano
- 10. smallest unit of matter
- 11. holds water in cells
- 13. the ability to do work