What is the interaction of electric charges that causes the flow of electrons from one place to another called?

• Static Electricity

• Electric Current

• Electricity

• Insulation

Electricity travels at the speed of ______.

• Sound

• Light

• Water

• Wind

Fill in the blank: A substance that allows electric current to pass through is called a ______.

• A) Insulator

• B) Conductor

• C) Resistor

• D) Capacitor

Electricity is the interaction of electric charges and the flow of ______ from one place to another.

• protons

• neutrons

• electrons

• ions

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the property of protons and electrons that make up every atom?

• Mass

• Electric charge

• Volume

• Density

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NGSS.MS-PS2-3

Fill in the blank: Materials that do not allow electric current to flow through them easily are called ________.

• Conductors

• Insulators

• Semiconductors

• Resistors

Which best briefly summarizes the law of electric charges?

• Charges always repel.

• Charges always attract.

• Charges that are opposite in nature attract; charges that are the same in nature repel.

• Charges that are opposite in nature repel; charges that are the same in nature attract.

What is the buildup of electrical charges in one place called?

• Neutrons

• Static Electricity

• Insulator

• Conductor

What unit is electric current measured in?

• Ω (Ohms)

• V (Volts)

• A (Amps)

• W (Watts)

Which of the following would be the best example of a conductor?

• a. a tire

• b. a plastic spoon

• c. a log

• d. aluminum foil

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