| __ | 11. | fuel | | A. | the rocks on a hill suddenly slide down the hill. |
| __ | 12. | landslide | | B. | material burned to get energy. |
| __ | 13. | lava | | C. | magna that comes out of the earth. |
| __ | 14. | magma | | D. | a tool for measuring temperature. |
| __ | 15. | rain gauge | | E. | melted rock beneath earth’s service. |
| __ | 16. | resource | | F. | an instrument for measuring the amount of fallen rain. |
| __ | 17. | thermometer | | G. | earth material that living things use. |
| __ | 18. | volcano | | H. | mountains formed by hot melted rock that purchases. |
| __ | 19. | warm front | | I. | process that breaks rocks into smaller pieces. |
| __ | 20. | weathering | | J. | a warm air mass meets and slowly rides up over a cold air ma |