Physics For 7th Grade

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Across
  1. 1. The amount of matter in an object, measured in kilograms (kg)
  2. 3. To move something closer to you
  3. 7. The movement or change in position of an object
  4. 11. Energy that comes directly from the Sun
  5. 12. Energy related to the temperature of an object
  6. 15. To move energy from one object or store to another
  7. 16. The upward force exerted by a liquid or gas on an object floating in it
  8. 19. To push away from each other
  9. 20. An energy source that will not run out
  10. 22. Moving air used as a source of clean energy
  11. 23. A friction-like force that opposes motion in water or air
  12. 24. The force that pulls objects toward the center of the Earth
  13. 26. A complete path through which electric current can flow
  14. 29. Forces that are equal in size but opposite in direction
  15. 30. The force of gravity acting on an object's mass
  16. 31. Stored energy ready to be used
  17. 32. The unit used to measure force (N)
  18. 33. The standard unit used to measure energy (J)
  19. 36. To move something away from you
  20. 37. Energy released from the core of an atom
  21. 39. A material burned to produce heat or power
Down
  1. 2. Energy produced by vibrating objects that we can hear
  2. 4. Forces that cause an object to change its speed or direction
  3. 5. A type of force that requires two objects to touch each other
  4. 6. The energy of a moving object
  5. 8. To pull toward each other
  6. 9. A force that slows down moving objects when two surfaces rub together
  7. 10. An object that attracts iron and nickel
  8. 13. A push or a pull acting on an object
  9. 14. To keep energy inside an object for later use
  10. 17. The rate at which energy is transferred or used
  11. 18. How fast or slow an object is moving
  12. 21. Form of energy that travels in straight lines and lets us see
  13. 25. The pulling force transmitted through a stretched rope or wire
  14. 27. Stored energy in food, batteries, and fuels
  15. 28. Thermal energy transferred from a hot object to a cold object
  16. 29. A device that stores chemical energy and converts it to electrical energy
  17. 34. The ability to do work or cause change
  18. 35. A coiled piece of metal that stretches or compresses when force is applied
  19. 38. A black non-renewable fossil fuel mined from the ground