Homework: 5 - MRS. NUNEZ'S CLASS - Home
Classwork: 5.6A Uses of Energy
1. Which of the following best uses mechanical energy to perform a useful task?
A. Flashlight
B. Pencil Sharpener
C. Candle
D. Solar Calculator
Use the model of the gumball dispensing machine and your knowledge of science to answer the following question.
[pic]
2. This gumball machine has a coin handle that must be turned when dispensing a product. Which form of energy is used to dispense the gumballs?
A. electrical B. thermal
C. Sound D. Mechanical
3. What is the energy of moving particles that produces heat?
A. mechanical energy
B. thermal energy
C. electrical energy
D. sound energy
4. Which is NOT an example of the use of sound energy?
A. beating a drum
B. talking
C. playing music on the radio
D. cooking hot dogs
5. A student made a list of ways electric energy is used at home. Which is NOT an object that uses electric energy?
A. alarm clock B. blender
C. skateboard D. video game
6. Above is a picture of an aquarium that a group of students designed as a new home for aquatic plants and fish. Based on the picture, which forms of energy are required for the aquarium to work properly?
A. electrical, thermal, light
B. electrical, light, sound
C. mechanical, thermal, light
D. Light, sound, mechanical
7. A student plugged in a hot plate into an outlet and turned on the hot plate. The student noticed that the hot plate produced heat. What form of energy is used to power the heat from the hot plate?
A. thermal B. electric
C. mechanical D. light
8. What is the best use for the energy form shown below?
A. To produce sound energy
B. to produce solar energy
C. to produce mechanical energy
D. to produce electric energy
9. Which type of energy from the sun provides sunshine and heat to earth?
A. mechanical B. electrical
C. light D. sound
10. What type of energy is generated when a doorbell rings?
A. light B. thermal
C. sound D. solar
11. A campfire, fireworks, and a burning candle all produce—
A. mechanical and thermal energy
B. light and sound energy
C. light and thermal energy
D. sound and electrical energy
12. Which type of building uses the most energy of all the building types?
A. education
B. office
C. retail
D. lodging
CER Problem
Many people ride a bicycle for fun and exercise. Some people ride to work because it saves money and benefits the environment by reducing the use of fossil fuels.
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Which of these bicycle parts is NOT helping the cyclist to use mechanical energy?
Claim: ____________________ does not help the cyclist to use ___________________ energy.
Evidence: The gear, pedal, wheels, and chain all ___________________. The reflector does not ___________________.
Reasoning: ___________________ energy is moving energy. Since the gear, pedal, wheels, and chain all help the bike to ___________________, they help the cyclist to use mechanical energy. The reflector is used to __________________ light so that it can be seen by car drivers. It is an example of light energy.
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Word Bank: bounce light mirror periscope reflection
Word Bank: bounce light mirror periscope reflection
Word Bank: light mechanical move reflect solar stop thermal
Word Bank: bounce light mirror periscope reflection
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