Across
- 2. Type of energy powered by moving air
- 3. The study of plants
- 5. Study of elemental building blocks
- 7. Our closest planetary neighbor
- 8. Dominant dinosaur in "Jurassic Park"
- 12. Metric unit of volume
- 14. Study of Earth's past
- 16. Our galaxy
- 19. How sound travels
- 21. Type of energy powered by moving water
- 23. Metric unit of length
- 24. The tallest grass on Earth and what pandas prefer
- 26. Type of energy powered by the Sun
- 27. Type of tree that loses leaves in winter season
- 28. Study of motion and work
- 29. Defined the concept of gravity
- 30. Planet closest to the Sun
Down
- 1. First human being on the moon
- 4. Study of life on Earth
- 6. Study of Earth's materials and processes
- 9. Metric unit of weight
- 10. Study of oceans
- 11. Gas humans must exhale to breathe
- 13. Gas humans must inhale to breathe
- 15. Most common mineral found on the crust of the Earth
- 17. "An object in motion will remain in motion unless acted upon by an equal or opposite force"
- 18. Largest fish on Earth today
- 20. Study of outer space
- 22. The only rock that floats
- 25. Number of colors in the rainbow
