Electricity, circuits, and magnetism

In a neutral atom, the number of electrons is equal to the number of _______.

• Neutrons

• Protons

• Orbits

• Subatomic Particles

An object becomes charged when the atoms in the object gain or lose?

• Electrons

• Protons

• Neutrons

• All of the above

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NGSS.MS-PS2-5

What charge does an electron have?

• Negative (-)

• Neutral or no charge (0)

• Positive (+)

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NGSS.MS-PS2-3

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A positive charge.

• A negative charge.

• A neutral charge.

• No charge at all.

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NGSS.MS-PS2-3

Which of the following is caused by static electricity?

• A stove getting hot when it is turned on.

• A magnet being attracted to a refrigerator.

• A light bulb coming on when a switch is turned on.

• A lightning strike during a storm.

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NGSS.MS-PS2-3

An object becomes positively charged by

• losing protons

• gaining electrons

• losing electrons

• gaining protons

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NGSS.MS-PS2-3

An object becomes negatively charged by

• losing protons

• gaining electrons

• losing electrons

• gaining protons

Tags

NGSS.MS-PS2-3

Electricity flows well through conductors. A good example of a conductor is ___________________.

• Rubber

• Wool

• Copper

• Glass

Electricity does not flow well through insulators. A good example of an insulator is _________________.

• Metal

• Silicon

• Carbon

• Rubber

The accumulation of excess electric charge on an object is called

• Static Electricity

• Electric Discharge

• Resistance

• Current Electricity