Across
- 4. to make better
- 5. the force that keeps us on the ground
- 7. scientist who specializes in chemistry
- 11. someone who explores space
- 12. scientist that studies the basics of life
- 13. is the hereditary material in humans
- 15. someone who isn't from earth
- 16. to find something
- 19. similar to a hypothesis
Down
- 1. to create something
- 2. to make
- 3. a spaceship
- 4. Traits passed from parents to offspring
- 6. to foresee
- 8. to delete
- 9. a large mobile device
- 10. the basic uni of heredity
- 14. the smallest life strucure
- 17. The sun is a...
- 18. outside of earth