Where on the ramp does the ball have the most potential energy?

• bottom

• top

• middle

• its the same all the way

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If an electric circuit is left open,

• Electricity will flow

• Electricity will not flow

• Electricity will flow and then stop

Which earth material is used to make electrical wires for buildings?

• iron
• copper
• coal
• diamonds

What is the energy source for this system?

• battery
• electricity
• gravity
• the Sun

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What is the evidence of energy transfer in this system?

• the ramp
• ball rolls down the ramp
• the table
• the wall

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What is energy?

• Sunlight
• The ability to do work
• corn dogs on a cool day

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Our biggest source of energy is

• batteries.

• windmills.

• the moon.

• the sun.

This is an example of

• heat energy.

• the transfer of energy (kinetic and potential).

• solar energy.

• the transfer of heat to solar energy.

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Which of these is an example of energy transfer?

• electricity charging an iPad

• gas fueling a car

• a grill cooking steaks

• all of the above

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A thermometer measures

• light energy.

• sound energy.

• heat energy.

• wind energy.

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