Across
- 1. season where hemisphere is tilted towards the sun
- 2. Living
- 5. A type of galaxy that is circular shaped
- 7. Newton's ______ law; equal and opposite reaction
- 9. A type of plate boundary where the plates slide past each other
- 13. subatomic particle that is outside nucleus with negative charge
- 15. A type of galaxy with no determined shape
- 16. building blocks of existence; made of protons, neutrons, and electrons
- 17. subatomic particle that is inside nucleus with positive charge
Down
- 1. A type of convergent boundary where one plate slides under the other
- 3. A type of plate boundary where the plates move away from each other
- 4. season where hemisphere is tilted away from sun
- 6. A type of galaxy with many arms
- 8. Newton's first law; objects keep doing what they're doing
- 10. subatomic particle that is inside nucleus with neutral charge
- 11. A type of plate boundary where the plates run into each other
- 12. non-living
- 14. Newton's second law; Force equals mass times acceleration