Science Unit 2 Assessment Study Guide

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Across
  1. 2. Some potential costs of building dams are damaging habitats and __________.
  2. 5. Nuclear waster can remain radioactive for over ten __________ years.
  3. 8. __________ is used to create nuclear energy.
  4. 9. Oil can be transported using pipelines and oil __________.
  5. 12. Fossil fuels are an example of __________ resources.
  6. 13. Coals mines are dangerous because they can __________, trapping miners inside.
  7. 16. Dams often have fish __________ to allow fish to continue migrating.
  8. 17. Less than __________ percent of this element is can be used to produce nuclear energy.
  9. 18. Solar panels are covered in solar __________ that turn the sun’s energy into electricity.
  10. 19. __________ is the solid form of fossil fuels.
  11. 21. Most energy resources are converted to __________.
  12. 22. Temperature changes in the air creates __________.
  13. 23. Burning fossil fuels releases carbon dioxide which is a __________ gas.
  14. 26. Wind __________ are used to harness the movement of the wind.
  15. 27. Crude oil, also known as petroleum, is the __________ form of fossil fuels.
Down
  1. 1. Petroleum can be used to make many things, including _________ and lip balm.
  2. 3. When coal is burned, it causes __________ by releasing carbon dioxide.
  3. 4. Multiple turbines placed together is called a wind __________.
  4. 6. Dams are used for __________ power.
  5. 7. Wind, solar, and hydroelectric power are __________ resources.
  6. 10. Fossil fuels are made of the __________ of organisms.
  7. 11. Natural __________ forms where coal petroleum and coal form.
  8. 14. When __________ are split in a chain reaction, heat is generated.
  9. 15. One of the costs of nuclear energy is the __________ waste.
  10. 20. Pressure and intense __________ turn the remains of organisms into fossil fuels.
  11. 24. Geothermal energy is heat energy from __________.
  12. 25. Solar energy is a __________ and renewable source of energy.