4th grade forms of energy

Energy is

• the ability to cool
• what is needed to do work or cause change
• what stops motion

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The ultimate source of energy is:

• The sky
• The sun
• Plants
• Movement

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What form of energy is being used when a person pushes heavy boxes across the floor? 

• Electrical energy
• Mechanical energy
• Heat energy
• Sound energy

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A flashlight is an example of

• light energy
• mechanical energy
• sound energy

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What type of energy is related to the movement or flow of electrons which carry a charge through a circuit?

• Potential Energy

• kinetic energy

• sound energy

• electrical energy

All sound is made by ________.

• space
• squeaks
• beeps
• vibrations

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What type of energy allows you to see the images and texts on your cell phone screen?

• Sound

• Thermal

• Magnetism

• Light

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Which is NOT an example of the use of mechanical energy?

• solar panels powering a building

• beating a drum

• pushing a shopping cart

• playing music on a piano

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In order for electricity to flow through a circuit, the circuit must be a closed, complete:

• Path, so that the electricity can make a complete circle.

• Donut, because circuits get hungry.

• Wire, made out of rubber.

• Solar panel, because circuits only work with the sun.

What is missing from this circuit? Why would the light bulbs be off?

• The battery, there is no power for the circuit to work.

• The switch is open, so the circuit is broken.

• The third light bulb, that is needed to complete the circuit.

• The wires are not connected properly.