Across
- 1. a type of mass movement where a slope is undercut by erosion (e.g.: base of cliff eroded by waves)
- 4. forms when carbon dioxide combines with water (bubbles in soda)
- 6. caused by the tilt of Earth's axis and Earth's revolution
- 7. erosion where wind blows across loose sediment, leaving behind big particles
- 10. Moon phases are growing larger
- 12. groups of stars that form patterns in the sky
- 14. the galaxy that our solar system belongs to
- 17. water that flows over Earth's surface
- 18. Earth's orbit around the Sun
- 21. large body of ice and rock the travels around the Sun
- 22. erosion the forms U-shaped valleys
- 23. the changes in the way the moon appears from Earth
- 25. causes night and day
- 26. can result after a massive star produces a supernova
- 28. creates "desert pavement"
Down
- 2. type of weathering caused by freezing water of plant roots growing into cracks
- 3. Moon is between the Sun and Earth casting a shadow on Earth
- 5. 150km or the distance from Earth to the Sun
- 8. Earth is between the Sun and Moon casting a shadow on the Moon
- 9. group of stars, gas, and dust held together by gravity (can be elliptical, spiral, or irregular)
- 11. type of weathering caused by acids or oxygen (rust)
- 13. the planets and other objects that orbit our Sun make up the _____ _____
- 15. fragments of rock from space the land on Earth's surface
- 16. sediments move slowly downhill
- 19. Earth is which planet from the sun?
- 20. causes rocks to weather to a reddish color
- 24. erosion that produces smooth, polished surfaces
- 25. water that flows over Earth's surface
- 27. movement of rock or sediment because of gravity, water, and wind