6th Grade Chapter 6 Vocab

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Across
  1. 2. a harmful change in the natural environment
  2. 3. cell a device that uses sunlight to produce electricity
  3. 10. small, loose pieces of minerals, rock. and organic material, some of which are deposited when a river slows
  4. 11. cycle the continuous movement of water between Earth's surface and the air
  5. 13. waste a collection of poisonous trash materials
  6. 15. rock a rock that forms from other rocks that have changed from heat, pressure, or a chemical reaction
  7. 17. the layer of gases that surrounds Earth
  8. 19. water that falls from clouds to the ground in the form of rain, sleet, hail, or snow
  9. 20. the region that contributes water to a river or a river system
  10. 21. the ability to break down naturally over time
  11. 22. table the upper surface of the groundwater that lies between topsoil and tightly packed rocks
  12. 23. electricity enerated by running water
  13. 26. a solid that has a structure arranged in orderly, fixed patterns
Down
  1. 1. an underground area of rock and soil filled with water that is squeezed between tightly packed layers of rock
  2. 4. a specially designed place where garbage is deposited into a lined pit
  3. 5. resource materials from the environment that people use that cannot be replaced
  4. 6. a mixture of smoke and fog, formed when smoke and fumes collect in moist. calm air
  5. 7. any of the naturally occurring solid materiais of Earth's crust
  6. 8. rock a rock that forms when small pieces of rocks, minerals, and shells are deposited, buried, and squeezed and cemented together
  7. 9. plant and animal wastes that can be processed to make fuel
  8. 12. resource materials from the environment that people use that can be replaced relatively quickly
  9. 14. layer a layer of ozone gas in Earth's atmosphere that screens out much of the Sun's ultraviolet rays
  10. 16. rain acid that is formed when the sulfur and nitrogen gases produced by burning fossil fuels combine with water vapor in the air and then fall to Earth as rain
  11. 18. energy heat from below Earth's surface
  12. 24. cycle the process in which rocks continuously change from one kind into another over long periods of time
  13. 25. rock rock that forms when melted rock in the form of lava or magma cools and turns into a solid