Across
- 2. study of all living things
- 4. supercontinent
- 7. electrical storm
- 9. type of tectonic plate
- 10. study of outer space
- 13. study of insects
- 14. sea wave created by earthquake
- 17. a pioneer in plate tectonics
- 19. third planet from the Sun
- 20. sky, atmosphere, weather
Down
- 1. known as a twister
- 3. tornado over water
- 5. person studies weather
- 6. a tropical storm
- 8. vibration of the earth
- 11. most active volcano in Hawaii
- 12. eruption on Earth's surface
- 15. knowledge from study & practice
- 16. study of the earth
- 18. arch of colors formed in the sky