Across
- 4. studies objects in the sky.
- 6. studies plants.
- 7. studies tools,obects and people from the past.
- 8. studies the solids and liquids that make up the earth.
- 10. works with chemical or studies their reactions.
Down
- 1. studies animal life.
- 2. studies the weather.
- 3. studies Physics.
- 5. studies all aspects of the ocean.
- 9. studies Biology.