Physical Science Crossword Puzzle

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Across
  1. 4. _________ Energy is the energy of motion.
  2. 5. Basic units of matter.
  3. 7. ________ force is a push or pull acting on an object without physical contact.
  4. 12. The distance between two corresponding points on consecutive waves.
  5. 13. Have no fixed shape or volume, with particles spread far apart and moving freely.
  6. 15. _________ Energy is stored energy.
  7. 16. Bending of waves.
  8. 17. The height of a wave.
  9. 18. The transfer of energy through direct contact.
  10. 19. A push or pull.
  11. 21. A substance formed by two or more elements chemically combined.
  12. 22. A pure substance made of only one kind of atom.
Down
  1. 1. Have a definite volume but take the container's shape, featuring particles that move/slide past each other.
  2. 2. A ______ change is a change in state or appearance without changing the substance's identity (e.g., melting ice).
  3. 3. The transfer of energy through liquids and gases.
  4. 6. Two or more substances combined physically, not chemically.
  5. 8. Waves bouncing off a surface.
  6. 9. A ______ change is a change that forms a new substance (e.g., burning).
  7. 10. Anything that has mass and takes up space.
  8. 11. The transfer of energy traveling as waves or particles
  9. 14. _______ force is any interaction between two objects requiring direct physical contact.
  10. 20. Have a fixed shape and volume with tightly packed, vibrating particles.