Uses of Energy

What energy do you produce riding your bike? __________

• Sound Energy
• Mechanical Energy
• Light Energy
• Electrical Energy

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When you plug in a radio, how do you know the radio produced energy? ________

• You see sound energy
• You feel light energy
• you hear sound energy
• You are energized

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Jason climbs a ladder to hang lights on his house.  What type of energy does he use?

• Electrical Energy
• Mechanical Energy
• Thermal Energy
• Sound Energy

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Humans often use fans to stay cool.The rotation of the fan blades is an example of what type of energy?

• electrical
• sound
• thermal
• mechanical

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A stereo is designed to change electrical energy into

• Solar
• Sound
• Light

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More schools are choosing to use plastic slides instead of metal slides. Why do schools choose plastic over metal?

• Plastic is a conductor of heat. 
   
   
  
• Plastic is an insulator of heat.
• Metal is an insulator of heat.
• None of the above

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Why does a metal lawn chair get hot in the sun when the grass sitting in the same sunlight remains cool to the touch?

• Heat travels easily through plants but not metals.
• Heat travels easily through both plants and metals.
• Heat travels easily through metal objects but not through plants.

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What happens to particles as they heat up?

• They slow down
• Nothing
• They don't move
• They speed up

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What forms of energy are important to have present when watching television?

• sound, thermal, and light
• electrical and sound
• electrical, light, and sound
• thermal and light

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A lamp uses electrical energy to produce what two other kinds of energy?

• mechanical and sound
• heat and mechanical
• light and sound
• heat and light

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