Earth and Space Crossword

4. a nonmetal element that is used in computer chips and solar cells
8. Moon looks like a whole circle from Earth
14. to turn or to spin
16. the particles of soil or rock that have been eroded and deposited
19. erosion the process by which soil is worn away by wind or rain
20. rock a rock that forms when small bits of materials are pressed together in layers
23. is a group of stars that makes a pattern a picture in the sky
24. a liquid that is found beneath Earth's surface that is used to form fuels and to make a variety of other products
25. Moon the Moon cannot be seen from Earth
26. wedging a type of weathering that occurs when water soaks into a material, freezes, expands, and causes the material to split or break apart
27. rock a rock formed by a volcano or other source of great heat

1. cycle the repeating pattern of day and night that occurs every 24 hours
2. can be replaced by nature easily or quickly
3. to bounce back off a surface
5. a black or brown rock that is found in the earth and burned as fuel
6. a large sheet of ice that moves slowly across the land
7. gas a mixture of gases found below Earth's surface that is used as fuel
9. a sedimentary rock formed mostly from shells and other animal remains
10. cannot be replaced by nature easily or quickly
11. resource something that people use from nature
12. rock a rock that was once igneous or sedimentary and changed after being exposed to heat and pressure
13. a solid, nonliving substance found in rocks
15. imaginary line through Earth from the North Pole to the South Pole
17. a chemical that is an important nutrient to all living things
18. slow process that breaks materials into smaller pieces
19. the closest star to Earth
21. the process of wind or water moving small pieces of rock, soil, and sand from one place to another
22. phases the apparent shapes of the Moon in the sky