Across
- 1. The place where something comes from.
- 4. To change or influence something.
- 5. To use money to try to earn more money in the future.
- 6. In a regular and constant way.
- 7. To grow or improve something over time.
- 12. In a very big and sudden way.
- 14. A careful study to learn new facts or find answers to questions.
- 15. The smallest living part of an animal or plant.
- 16. To travel through a place to learn more about it.
Down
- 2. Long-term changes in temperature and weather patterns.
- 3. To say what you think will happen in the future.
- 8. A sudden shaking of the ground.
- 9. Energy that comes from the sun.
- 10. Something that makes a sick person healthy again.
- 11. The chance that something bad or dangerous might happen.
- 13. Something that makes something else happen.
- 17. To use all of something and have no more left.