Earth Science
Across
- 3. a rock often used for countertops
- 4. a type of energy powered by the sun
- 5. mineral used to make pennies
- 7. central region of Earth
- 9. a large creature that lived in prehistoric times
- 11. the outer layer of Earth
- 12. the study of Earth
- 16. to change the appearance or texture of something
- 17. rock consisting of sand or quartz grains
- 19. something that ruins the atmosphere
- 22. the top layer of soil
- 23. the organic component of soil
- 24. used with steel to ignite sparks
Down
- 1. something that comes out of a volcano
- 2. an oil well
- 5. a material used to make ceramics
- 6. a fracture in rock containing a deposit of minerals or ore
- 8. state of rotting or decomposing
- 10. to melt a rock
- 13. a mineral, rock, or metal that can be mined
- 14. time of dinosaurs
- 15. a popular gem in jewelry
- 18. avery common mineral
- 20. a glasslike volcanic rock
- 21. something geologists dig up