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Name_____________________ Period______ Science Test Review : Forms of Energy 1. Define Energy: 2. Two Main Types of Energy are ____________________and_________________. 3. Define Potential Energy:____________________________________________ 4. In the diagram to the right, at which point does the sled have the greatest potential energy?_____________ 5. Define Kinetic Energy: 6. The amount of Kinetic energy a moving object has depends on its_________and ____________. 7. In each of the following pairs, CIRCLE which would have more kinetic energy rolling down a hill: A marble or a boulder A beach ball or bowling ball A Toy car or a Hummer Explain why you chose the ones you chose?__________________________________ 8. In the diagrams below, identify the greatest Kinetic and greatest potential energy 9. What is pictured to the left? _________________ 10. At which points does the pendulum have the most potential energy?_____ 11. At which point does the pendulum have the most kinetic energy?___ A B C D E 12. At which points on the pendulum are the kinetic and potential energy equal? _______ 13. If you place a block at point C, what would happen to the block?_____________________ Why? ___________________________________________________ Define the Forms of Potential Energy: 14. Chemical Energy: ______________________________________________________________ Example: _______________________________ 15. Nuclear Energy: ______________________________________________________________ Example: _______________________________ List two ways nuclear energy is produced: _____________________________________________ 16. Gravitational Potential Energy: ___________________________________________________ Example: _______________________________ 17. Stored Mechanical: ___________________________________________________________ Example: _______________________________ Define the Forms of Kinetic Energy: 18. Radiant Energy: ______________________________________________________________ Example: _______________________________ List the different forms of Radiant Energy: __________________________________________ 19. Thermal Energy: ______________________________________________________________ Example: _______________________________ 20. Motion or Mechanical Energy: ____________________________________________________ Example: _______________________________ 21. Sound Energy: ______________________________________________________________ Example: _______________________________ 22. Electrical Energy: ___________________________________________________________ Example: _______________________________ 23. Energy of microwaves, radio waves, x-rays, ultraviolet rays, and light waves are all forms of ___________________energy Energy Transformations (Conversions) 24. Define Energy transformation:__________________________________________ 25. What does the law of conservation of energy state?__________________________ ___________________________________________________________________ Give an example:__________________________________________ 26. In every energy conversion, some energy is always converted into _____________., due to friction. 27. What is the energy transformation for a resource to produce electricity? Flashlight: ____________ _____________ _____________ ___________ (battery) (electricity) (resistor creates heat) (Light) 28. Using number 27, diagram the energy transformations that occur in the following: Hot Plate ____________ _____________ Windmill Toaster ____________ ____________ _____________ _____________ _____________ Gas Stove ____________ _____________ Car Engine ____________ _____________ ____________ Hair Dryer ____________ _____________ _____________ ___________ 29.___________________energy in the sugars and starches of food fuels all your body functions and movements, and provides the thermal energy that keeps your body temperature constant. Heat/Thermal Energy Transfer DEFINE: 30. convection- __________________________________________________________________ 31. conduction- __________________________________________________________________ 32. radiation- ___________________________________________________________________ 33. Identify the following examples as convection, conduction or radiation: Ice in a soft drink melts due to ________________________ Boiling an egg in water _________________________ A pot touching a hot stove ________________________ A small heater heating a bathroom _____________________ A cold blooded reptile warming itself from the sun _____________________ 34. Explain how heat moves through liquids during convection. ____________________________ __________________________________________________________________________ ~Draw a picture showing this.