*(7) Earth Science CW 1

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Across
  1. 1. solid part of Earth, including the soil and Earth’s rocky center
  2. 3. Earth’s dense, metallic center
  3. 13. Long term shifts in weather patterns of a place
  4. 14. producing new materials out of waste materials
  5. 15. Naturally occurring solids such as zinc, copper, and graphite.
  6. 16. An annual event on April 22nd to raise awareness of environmental problems
  7. 17. Anything that people use from nature
  8. 18. force of attraction between every object and every other object that exists because of mass
  9. 21. a type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions.
  10. 22. the watering of land by artificial means to foster plant growth
  11. 23. Earth’s naturally occurring movements like plate tectonics, weathering, and erosion.
  12. 26. Resources that are made from decayed plants and animals.
  13. 28. A gradual rise in the average temperature of the Earth as a result of the increase in greenhouse gases in the atmosphere
  14. 29. The addition of any contaminant to the environment which causes harm to the health of organisms
  15. 30. The average weather in a place taken over a long time
  16. 31. The richness and variety of life of species and ecosystems
  17. 32. to deposit things somewhere else.
Down
  1. 1. Gases in the atmosphere like carbon dioxide, methane, and water vapor that absorb infrared radiation.
  2. 2. a type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
  3. 4. A mixture of gases that surrounds the Earth
  4. 5. Fuels made from plants or algae that are a form of renewable energy.
  5. 6. Movement caused by warm fluids rising and cooler fluids sinking.
  6. 7. Renewable, biodegradable fuel made from vegetable oils, animal fats, or cooking grease.
  7. 8. Molten rock inside the earth.
  8. 9. The process by which earth’s surface is broken down into smaller pie
  9. 10. operating or occurring overhead
  10. 11. height above sea level
  11. 12. thick middle layer in the solid part of Earth
  12. 19. The outermost layer of the planet.
  13. 20. Process of gases in the atmosphere like carbon dioxide, methane, and water vapor that absorb infrared light and redirect it back toward Earth, which keeps Earth warm.
  14. 24. the process of moving things from one place to another.
  15. 25. The removal of trees in the forests caused by activities such as agriculture, mining, or forest fires
  16. 27. a type of rock that forms from the cooling of molten rock at or below the surface