7th Exam Review 2022

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Across
  1. 3. The distance between crests of a wave
  2. 5. A tiny organ in a cell
  3. 7. A device that converts mechanical energy into electrical energy
  4. 10. What two same poles do
  5. 11. The unit for resistance
  6. 12. A device that converts electrical energy into mechanical energy
  7. 14. Energy that is dependent on motion
  8. 16. An organelle found only in plants, responsible for shape and structure of a cell
  9. 19. The site of cellular respiration
  10. 20. The height of a wave
  11. 21. The unit for current
  12. 22. Body systems interact with one another to maintain _____
  13. 24. A wave that moves at a right angle to the motion of the wave
  14. 25. When a wave bends
Down
  1. 1. At the ____ of a magnet, the magnetic field is strongest
  2. 2. Without ____ there is no kinetic energy
  3. 4. The control center of the cell
  4. 6. ____ energy is affected by gravity, mass, and height
  5. 8. A type of magnet that can be turned on and off
  6. 9. The unit for energy
  7. 12. The material a wave moves through
  8. 13. When a wave bounces off of an object
  9. 15. An organelle found only in plants, responsible for photosynthesis
  10. 17. The unit for voltage
  11. 18. When light passes through an object
  12. 20. A nonliving factor in an ecosystem
  13. 23. The total ____ of something is the potential plus the kinetic energy
  14. 24. Energy, like matter, cannot be created or destroyed - however, we can ___ it from one for to another