Energy Quiz Review

Energy can be classified into two main categories, kinetic energy and potential energy.  Kinetic energy is when an object is:

• standing still
• actively doing something
• changing states of matter
• objects do not have kinetic energy

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When a hot object touches a cooler object, heat energy is transferred from the warmer object to the cooler object through:

• radiation
• electrical energy
• conduction
• solar heating

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You and your family are sitting around a campfire.  You can feel the heat on your face, even when you back your seat away from the fire.  The heat energy from the fire warms your face through:

• light energy from the fire
• conduction
• chemical reactions in the fire
• radiation

Choose the best example that represents heat transfer through convection.

• boiling water on an electric stove
• lighting a bulb using a battery and wires
• getting a sun tan
• inflating a hot air balloon

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Which is an example of potential energy?

• a roller coaster speeding down a hill
• the pulled back string on an archers's bow
• releasing the strings on a guitar
• an electric current lighting a light bulb

Choose the BEST answer that is an example of an energy transformation from potential energy to kinetic energy.

• a ball rolling down a ramp
• a picture hanging on the wall
• a swing swaying back and forth
• a coat hanging on a hook

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Heat energy transfer is:

• the transfer of heat from one object to another.
• the radiation of heat from an object.
• an increase in heat energy.
• a loss of heat energy.

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Choose the BEST example of convection:

• Heat leaves a coffee cup as the currents of steam and air rise.
• Heat leaves the hot soup and heats the spoon.
• Heat from a liquid melts an ice cube.
• Water droplets form on the outside of a glass of water.

Which of the following is an example of potential energy?

• a ball rolling down a ramp
• a stretched rubber band
• a baseball flying into the outfield
• a snail moving across a rock

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Gasoline that powers a car is an example of...

• Nuclear energy
• Chemical energy
• Sound energy
• Light energy

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