Across
- 2. The study of stars, planets, and space.
- 5. The study of matter and its changes.
- 7. The study of weather.
- 8. The study of animals.
Down
- 1. The study of fossils and ancient life.
- 3. The study of matter, energy, and forces.
- 4. The study of plants.
- 6. The study of tiny living things.