Science 8-- Module 2; Mechanical Energy-- Review

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Across
  1. 2. Gravitational potential energy and mass have a ________ relationship.
  2. 4. This type of energy is the energy due to interactions between objects or particles when distance changes.
  3. 5. The farther away the object is from the center of the gravitational field, the ____ gravitational potential energy the object has in relation to the field.
  4. 7. All forms of energy are measured in _______ (J).
  5. 9. A force is a ____ or a pull.
  6. 12. When a ball moves upward, its potential energy ______.
  7. 14. The abbreviation for potential energy.
  8. 15. There are two types of systems, ____ and closed.
  9. 19. Gravitational potential energy exists between all objects but is only significant between objects and _____.
  10. 20. The law of ________ of energy states that energy can be neither created nor destroyed; only changed.
  11. 21. Kinetic energy _______ as mass increases.
  12. 23. Mass and kinetic energy have proportional, ____ relationship.
  13. 24. A change in an object’s motion is a sign that an energy _____ occurred between objects.
  14. 25. Work depends on force and _____.
  15. 26. ____ moving objects have kinetic
  16. 27. The abbreviation for kinetic energy.
  17. 29. Work is only being done while the ____ is applied to an object.
Down
  1. 1. ______ potential energy, electric potential energy, and magnetic potential energy are examples of potential energy due to forces in fields.
  2. 3. The difference in gravitational potential energy depends on the object’s change in _______ and its mass.
  3. 6. The kinetic energy of a moving object depends on two factors: the object’s speed and its _____.
  4. 8. Like mass, ____ is a factor that affects kinetic energy.
  5. 10. This energy is the sum of the potential and the kinetic energy in a system.
  6. 11. Speed and kinetic energy have a square, ______ relationship.
  7. 13. A change in the ____ of a system is a sign that an energy transfer occurred.
  8. 16. Gravitational potential energy is _______ energy due to the interactions of objects in a gravitational field.
  9. 17. _____ potential energy is energy stored in objects that are compressed or stretched, such as springs and rubber bands.
  10. 18. As a ball moves upward, its speed and energy ____.
  11. 19. _____ is sometimes described as the ability to do work.
  12. 22. When you increase the speed of an object,the kinetic energy increases by the _____ of the factor.
  13. 27. This is the energy due to motion.
  14. 28. The transfer of energy to an object by a force that makes the object move in the direction of the force.