MCA Physical Science

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Across
  1. 2. Number of vibrations in a given amount of time
  2. 3. The energy from splitting apart the atom
  3. 10. Amount of mass in a given space
  4. 11. The energy of motion
  5. 12. Heat transfer through the vacuum of space
  6. 13. A force is a push or a __________
  7. 14. The highest point in a wave.
  8. 16. Change in pressure as particles get closer
  9. 18. Kind of change where a new substance is made
  10. 19. The force that pulls objects down to earth.
  11. 21. Two or more elements chemically combined
  12. 22. Heat transfer when liquids/gases go up/down
Down
  1. 1. Simplest form of a pure substance
  2. 4. The height of a wave is called it's ________.
  3. 5. Stands for the colors that make up visible light
  4. 6. Heat transfer by objects touching
  5. 7. Mass is neither created or ______________.
  6. 8. The three phases of matter are solid, ____, gas
  7. 9. When waves bounce off of a surface.
  8. 15. Type of change that is a change in appearance
  9. 17. The bending of a light wave.
  10. 20. Energy that is stored up is called _____ energy