# Energy

This crossword was created by Brian Carton with EclipseCrossword by Green Eclipse Software — www.eclipsecrossword.com

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## Across

5. A dropped object's kinetic energy goes ___

6. If you hold a box for five minutes, the work done during that time is ____

7. Power is ________ proportional to time.

15. The gravitational potential energy of a box slid across a __________ surface remains the same

17. A dropped object's potential energy goes _____

18. ______ is needed to deform a spring.

19. Energy and work are _______ quantities

20. Does a normal force do work if the object is not in motion?

23. Energy cannot be created or destroyed (3 words)

25. Unit for power is _____

26. The capacity to do work is called ____

27. Energy of an object due to its motion is _______

28. As an object moves up an incline its potential energy ________

## Down

1. The Potential Energy of a sled at rest at the top of a hill is 24J What is its kinetic energy in joules halfway down?

2. Unit for work is _____

3. K is the symbol for ___________ (2 words)

4. Potential energy and height have a ______ relationship

8. Which law is the force in newtons needed to deform an ideal spring a certain distance _______________ (2 words)

9. As power of a machine increases, the time required to move an object a fixed distance _________

10. The unit for spring constant is the _____________

11. If velocity of an object is doubled its kinetic energy will be __________

12. _____ is done when a force is exerted while pulling a wagon uphill

13. Kinetic energy and velocity have a __________ relationship (2 words)

14. At the ________ (2 words) point in its fall the kinetic energy of freely falling object equals its potential energy

16. As an object falls freely in a _______ its total energy remains the same

21. The rate of change of work with respect to time is _______

22. Which energy is stored?

24. Work and energy are measured in the same ____

25. Earth's gravitational field is equal to the object's ______

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