Physical Science Midterm

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Across
  1. 3. predicted answer or tested explanation for an experiment
  2. 8. process by which a gas becomes a liquid
  3. 9. Moving objects that are moving very quickly or have a lot of mass are difficult to stop due to their __________________.
  4. 10. high energy state of motion that is found in stars and lightning
  5. 11. the smallest amount of an element that retains all the properties of that element
  6. 12. measure of gravity's attraction for an object
  7. 13. a well-supported explanation of why something happens
  8. 14. a substance that resists the passing of heat energy
  9. 16. Newton's second law states that with less mass or more force this will increase.
  10. 17. calculated by dividing an object's mass by its volume
  11. 18. This type of energy is moving energy.
  12. 22. force that opposes motion
  13. 24. your distance from the starting place
  14. 26. a measure of the average kinetic energy of the particles in a substance
Down
  1. 1. amount of matter in an object
  2. 2. calculated by multiplying force by distance
  3. 4. a mixture that is the same throughout is called this
  4. 5. process by which a solid becomes a gas
  5. 6. increasing this will decrease gravitational attraction
  6. 7. measurement having both magnitude and direction
  7. 10. A stretched rubber band or an ornament hanging from the tree have this type of energy.
  8. 15. transfer of heat energy by direct contact
  9. 19. state of matter with a definite volume but no definite shape
  10. 20. an object's resistance to a change in motion
  11. 21. an object does not move if all forces on the object are __________________
  12. 23. something that resembles science but is not actually falsifiable and fails to meet all scientific requirements
  13. 25. transfer of heat energy by the circulation of a fluid