1st Semester Extra Credit
Across
- 2. any object that makes work easier
- 6. smallest piece of an element
- 8. occurs when earth’s crust suddenly shifts and releases energy
- 12. coil of wire with a core attached to an electric core
- 13. dropping of sediment in a new location
- 14. any material that has the ability to attract iron
- 15. loose material on earth’s surface
- 17. used to measure the concentration of acids and bases (no space)
- 19. resistance to change in motion
- 20. another name for earthquake waves
- 22. nuclear energy relies on this element
- 24. rock formed from hardened lava or magma
- 25. substance that contains only one kind of atom
- 26. hot spring that periodically blows steam and hot water into the air
Down
- 1. rocks that form when layers of weathered rock, minerals, and organisms harden
- 3. formed when cracks in earth’s surface allows magma and gases to come to the surface
- 4. formed when the remains of plants and animals are buried quickly (no space)
- 5. solid substance found naturally in earth’s crust
- 7. the theory of plate _________ is the idea that earth’s crust is made up of moving plates
- 9. resources that can be easily replaced
- 10. when weathered material is moved from one location to another
- 11. rocks that form by heat and pressure deep inside the earth
- 16. number system used to program computers
- 18. the study of matter
- 21. allows electricity to flow easily
- 23. process of breaking down rocks