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BrainPop - Electric Circuits
By NICHOLAS GLAESER
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Last updated 10 months ago
14 questions
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Question 1
1.
What are electrons?
Negatively charged atoms
Positively charged subatomic particles
Neutrally-charged subatomic particles
Negatively charged subatomic particles
Question 2
2.
What is a current?
A short burst of electricity.
A steady flow of electricity.
Question 3
3.
How does rubber differ from most metals?
Rubber is a good conductor, most metals are good insulators.
Rubber is a good insulator; most metals are good conductors.
Rubber conducts electrons; most metals conduct protons.
Rubber is a good power source; most metals are good conductors.
Question 4
4.
What might happen if wires weren't insulated?
The power source would no longer provide a flow of electrons.
Current electricity would become static electricity.
The circuit would be broken.
We'd be in danger of harm from electric shocks.
Question 5
5.
Which of the following is an example of a load?
Question 6
6.
What device opens and closes an electric circuit?
A switch
A current
A load
A power source
Question 7
7.
What happens if you disconnect a circuit from its positive terminal?
The current reverses direction
Nothing happens
The electrons shoot out from the negative terminal
The electrons stop flowing, and the current stops
Question 8
8.
What is the relationship between an electric current and a circuit?
An electric current can supply electrons to a circuit
An electric circuit carries electrons to a current
An electric current is the flow of electrons through a circuit
A circuit is the flow of electrons through an electric current
Question 9
9.
Why is static electricity NOT used as a power source?
Because electrons flow too quickly
Because energy is released all at once
Because it cannot supply enough electrons
Because it only occurs in lightning
Question 10
10.
Fill in the blanks to complete the sentences. Not all the words will be used.
People cannot use ___________electricity as a _________________ because it does not provide a continuous flow of energy.
Only a ___________ flow of electricity, or a ____________, is useful.
Other Answer Choices:
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random
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power source
drag_indicator
electron
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current
drag_indicator
static
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steady
Question 11
11.
Group the descriptions based on the type of material they describe.
Include most metals, such as copper & silver
Used in an electric circuit
Found in most wires
Question 12
12.
Match each object with its description.
Question 13
13.
How does a battery supply power to a circuit?
By providing it with electrons
By closing the circuit
By opening the circuit
By providing it with insulation
Question 14
14.
Which of the following actions would break the current in the circuit?
Lengthening the wire
Adding a second load
Closing the circuit
Opening the circuit
Include nonmetals, such as glass, rubber, & ceramic
Do not allow a current to flow through
Electrons move through easily
Used as protection from electric shock
Insulators
Conductors
Both
Can disrupt the flow of electrons
Carries the flow of electrons
Provides electrons for a device
A type of load