Physical Science Vocab.

123456789101112131415
Across
  1. 2. A force that resists motion.
  2. 5. The state in which the net force on an object is zero.
  3. 6. When a wave goes from one medium to another, changes speed, and bends.
  4. 7. A variable that tells you direction as well as amount.
  5. 9. The bending of waves around the edge of an object.
  6. 10. Atoms of the same element that have different numbers of neutrons in the nucleus.
  7. 12. What is energy measured in?
  8. 13. The tendency of an object to resist a change in its motion.
  9. 14. The amount of space an object takes up.
Down
  1. 1. The rate at which speed or velocity changes.
  2. 3. A measure of the pulling force of gravity.
  3. 4. A push or pull, or any action that involves the interaction of objects and has the ability to change motion.
  4. 8. A group of two or more atoms joined together by chemical bonds.
  5. 11. Reflects or absorbs all light.
  6. 15. The amount of matter in an object.