Across
- 5. Pooping, peeing and sweating
- 7. The study of living things
- 8. All the planets that orbit the sun
- 9. Stuff you get from food
- 10. The study of life in outer space
- 12. How you understand what's around you
Down
- 1. Source of all energy and provides heat
- 2. To have babies
- 3. Made up of mainly oxygen and carbon dioxide
- 4. Moving around
- 6. To make energy
- 11. To get bigger and older