Everett Science 1

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Across
  1. 5. To plant different crops from year to year.
  2. 6. A substance in the earth that has never been alive.
  3. 8. Large mass of moving rock or soil from a mountain or cliff
  4. 9. A natural formation of rock or soil on the earth's surface is called a ...
  5. 10. Hot, liquid rock found in the earth's mantle.
  6. 11. The loss of topsoil by water and wind.
  7. 14. The first layer of the earth is the ...
  8. 15. Material in the soil that is made from living things that are broken down or decayed is...
  9. 16. There are ... continents on the earth.
  10. 18. The place where a river begins, usually high in the mountains.
  11. 21. The coldest part of the earth are the...
  12. 22. Precipitation on land that eventually trickles into streams
  13. 23. The outer layer of the earth is the...
  14. 24. The third layer of the earth is the...
Down
  1. 1. A ditch formed where soil washed away
  2. 2. The very center of the earth.
  3. 3. Matter that settles at the bottom of a liquid.
  4. 4. A place in the earth where magma can erupt as lava.
  5. 7. The shaking of the earth's crust.
  6. 12. Water, the right kind of air, and good soil are examples of natural...
  7. 13. The second layer of the earth is...
  8. 17. The imaginary line around the earth halfway between the North and South Poles is the...
  9. 19. The top layer of the earth's crust.
  10. 20. Soil in which plants grow well
  11. 22. Seventy percent of the earth is covered by water.