Static Electricity Concepts

What causes an object to become positively or negatively charged?

• Gaining or losing protons.

• Gaining or losing neutrons.

• Gaining or losing electrons.

• Changing its atomic structure.

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NGSS.MS-PS2-5

Which type of material allows electrons to flow easily between molecules?

• Insulators

• Conductors

• Semiconductors

• Non-metals

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What happens when you walk across a carpet and then touch a metal doorknob, causing a static shock?

• Your body gains protons from the carpet, and the doorknob adds more protons.

• Electrons transfer from your body to the carpet, making your body positively charged, and then electrons from the doorknob jump to your hand.

• The carpet generates new electrons that are attracted to your hand.

• The metal doorknob creates a magnetic field that pulls electrons from your body.

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NGSS.MS-PS2-5

What natural phenomenon is a large-scale example of static discharge?

• Rainbows

• Tornadoes

• Lightning

• Auroras

When a sock gets stuck to a t-shirt in your dryer, this is an example of (a)  

• current electricity
• static electricity

The ​ (a)   charges in the girl's hair are attracted to the negative charge in the balloon.

• positive

• negative

• neutral

• static

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NGSS.MS-PS2-3

Rubbing the balloon on the sweater allows more electrons to move onto the balloon. This gives the ballon a ​ (a)   charge.

• negative

• positive

• neutral

• powerful

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

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

Match the following phenomena with their types.

• The unit of power is _________.

• voltage

• Lightning is an example of _________.

• current electricity

• Electric current flowing through a wire is an example of _________.

• watts

• The potential difference is measured in _________.

• static electricity

Which of the following are examples of static electricity? Select ALL that apply.

• A

• B

• C

• D

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