#4 Week of February 19

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Across
  1. 5. process by which plants use light energy to convert water and carbon dioxide into oxygen and glucose
  2. 7. a gas released by plants during photosynthesis and used by animals
  3. 8. turbine a device that converts the kinetic energy in wind into electrical energy
  4. 10. energy source for plants to perform photosynthesis; starting energy source in food chains
  5. 12. a solid fossil fuel formed from ancient organisms that is burned to obtain energy
  6. 13. absorbs water and nutrients from the ground
  7. 14. sugar created by plants during photosynthesis to help the plant grow
  8. 17. green pigment in plants that absorbs light energy used to carry out photosynthesis
  9. 18. Resource any natural resource that doesn't run out (biomass, water, wind, and sun)
  10. 19. panel a device used to capture light energy from the sun and convert it into electrical energy
  11. 20. Gas a gas fossil fuel formed from decaying organisms that is burned to obtain energy
Down
  1. 1. energy created from moving water
  2. 2. small opening on the underside of a leaf through which oxygen and carbon dioxide can move
  3. 3. Resource a natural resource that is not replaced in a useful amount of time (oil, coal, and natural gas)
  4. 4. organic material made from plants and animals
  5. 5. organisms that make their own food through photosynthesis; tropic level with the most energy in it (ex. trees and flowers)
  6. 6. fuels coal, oil, and natural gas, and other fuels that are ancient remains of organisms
  7. 9. Dioxide a gas expelled by animals and used by plants during photosynthesis
  8. 11. Resources materials found in nature that are used by living things.
  9. 15. a liquid fossil fuel formed from ancient organisms that is burned to obtain energy
  10. 16. power energy from the sun