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15 Cards in this Set
- Front
- Back
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A map of a circuit with symbols for each part |
Circuit diagram |
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A material through which an electric charge can move easily |
Conductor |
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The flow of electrical charges through a material |
Current |
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Magnets that carry an electrical current |
Electromagnet |
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A poor conductor; material through which heat or electric charge does not flow |
Insulate |
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A material or device that resists the flow of electric charge
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Resistor |
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A unit measuring the energy available to push an electric charge through a circuit |
Volt |
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Why is an insulator used in a circuit? |
An insulator helps keep the electrical charge inside the pathway. |
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What is the difference between a parallel circuit and a series circuit? |
A parallel circuit has more than one pathway for electrical charge to move through. |
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What is a superconductor? |
No resistance to electrical current. |
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What is an example of a conductor? (Glass, rubber, plastic, salt water) |
Salt water |
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When an atom loses electrons, its charge becomes___________. |
Positive |
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Which of the following parts of a circuit acts as a resistor? (Battery, light bulb, copper wire, on/off switch) |
Light bulb |
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A circuit with more than one resistor in a single wire is a _____ circuit. |
Series |
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How can you make an electromagnet stronger? |
Add more coils of wire. |
