What is a circuit?
Understanding Circuits and Conductors

Flashcard
•
Science
•
4th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A circuit is a closed loop that allows electricity to flow from a power source to a device and back again.
2.
FLASHCARD QUESTION
Front
What is a conductor?
Back
A conductor is a material that allows electricity to flow through it easily, such as copper or aluminum.
3.
FLASHCARD QUESTION
Front
What is an insulator?
Back
An insulator is a material that does not allow electricity to flow through it easily, such as rubber or plastic.
4.
FLASHCARD QUESTION
Front
What is the function of a battery in a circuit?
Back
A battery provides the electrical energy needed to power the circuit.
5.
FLASHCARD QUESTION
Front
What happens when a switch is closed?
Back
When a switch is closed, it completes the circuit, allowing electricity to flow.
6.
FLASHCARD QUESTION
Front
What happens when a switch is open?
Back
When a switch is open, it breaks the circuit, stopping the flow of electricity.
7.
FLASHCARD QUESTION
Front
What are the two ends of a battery called?
Back
The two ends of a battery are called positive and negative.
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