Across
- 3. The red, hot liquid that comes out of a volcano.
- 8. The study of space.
- 9. When you test to see if something works.
- 11. An animal that is hunted.
- 14. The smallest unit of matter.
- 15. Anything that is physical.
Down
- 1. The study of Earth
- 2. The tool used to see objects up close.
- 4. What an animal or plant leaves behind.
- 5. The tool used to see planets that are far away.
- 6. Germs that can cause infections.
- 7. A living thing that is organized.
- 10. An animal that hunts other animals.
- 12. A type of germ that makes you sick.
- 13. The place where a scientist works.