Static Electricity Review 2022

I am the negatively charged particle in an atom. I can move freely.  I can be released, shared, or “stolen” from an atom.  Who am I?

• proton
• neutron
• electron

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NGSS.MS-PS1-1

Lightning occurs because ___. 

• the negative charges at the bottom of clouds are attracted to the positive charges on the ground.
• the positive charges at the bottom of clouds are attracted to the negative charges on the ground.
• the positive and negative charges inside clouds are attracted to each other
• All of these reasons are correct.

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

The smallest unit of an element is

• An electron
• A proton
• A neutron
• An atom

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NGSS.MS-PS1-1

Lightning rods attract lightning.

• True
• False

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NGSS.MS-PS2-5

Walking across a carpet is an example of charge being transferred by

• friction.
• induction.
• contact.
• static electricity

Why do lightning rods need to be grounded?

• They don't. The rod is enough to protect the home
• to create a path for the electricity to get to the ground
• to direct the electricity to the power grid of the house
• to deflect the electricity back into the cloud

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

What charge does an electron have?

• negative (-)

• positive (+)

• neutral or no charge (0)

Electric charges that are alike _______ each other.

• Attract
• Repel

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NGSS.MS-PS2-5

What method of static charging is shown in this picture

• Polarization
• Friction
• Induction
• Conduction

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NGSS.MS-PS2-3

If an object has more positive than negative charges, its electrical charge is...

• positive

• negative

• neutral or no charge

• opposite

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NGSS.MS-PS2-3