Circuits and Energy Transformation

Why didn't the lightbulb in the diagram light up?

• Metal wires are good conductors of electricity, but string is not.

• The string is too long.

• Metal wires are good insulators of electricity, but string is not.

• The string is the wrong color.

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NGSS.4-PS3-2

Which of the following statements best explains why the light bulb does not turn on when the switch is open?

• The light bulb is too big.

• The electricity moves backwards

• The electricity cannot flow.

• It is a closed circuit.

Which is an example of electrical energy transformed to thermal energy?

• ceiling fan

• lamp

• toaster

Which is an example of transforming electrical energy into mechanical energy?

• ceiling fan

• lamp

• toaster

Which is an example of transforming electrical energy into light (also called radiant) energy?

• ceiling fan

• lamp

• toaster

Which one of these tools does NOT transform electrical energy to mechanical energy?

• flashlight

• drill

• desk fan

• blender

What is required for a complete electrical circuit to function?

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DOK Level 1: Recall

Which of the following is an example of electrical energy being transformed into light energy?

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DOK Level 1: Recall

What happens to electrical energy in a circuit with a motor?

• It is transformed into sound energy

• It is transformed into motion energy

• It is transformed into thermal energy

• It is transformed into light energy

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DOK Level 1: Recall

Identify the component that is not necessary for a simple electrical circuit.

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Tags

DOK Level 1: Recall