Static Electricity/Electric Force Basics

Why is this balloon sticking to the cat's head after they are rubbed together?

• Rubbing causes electrons to move and the cat and balloon are no longer neutral. One is positive and one is negative, and they attract because they are opposites.

• Rubbing causes protons to move and the cat and balloon are no longer neutral. One is positive and one is negative, and they attract because they are opposites.

• Rubbing causes the cat and balloon to become neutral. They attract because they are both neutral.

• Rubbing causes gravity to bring the cat and balloon together, and that is why they stay together.

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NGSS.MS-PS2-3

The higher the plane is, the ____ gravitational potential energy the plane has

• More

• Less

• Same

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NGSS.MS-PS3-2

With 2 opposite charges: as they get closer together, the electric potential energy ____

• increases

• decreases

• stays the same

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

NGSS.MS-PS3-2

With 2 opposite charges: as they get further away, the potential energy ____

• increases

• decreases

• stays the same

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NGSS.HS-PS2-4

With 2 same charges: as they get further away, the potential energy ____

• increases

• decreases

• stays the same

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NGSS.HS-PS2-4

With 2 same charges: as they get closer together, the potential energy ____

• increases

• decreases

• stays the same

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NGSS.MS-PS3-2

Electric potential energy is:

• the amount of volts in a battery or other system/field

• how strong the atoms are compared to an average lightning strike

• the amount of energy that is needed to move a charge against an electric field

• how much attraction or repulsion exists between atoms in a field

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NGSS.MS-PS3-2

Choose all the conductors of charge:

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• 

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NGSS.MS-PS2-3

Choose all the insulators of charge:

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• 
• 

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NGSS.MS-PS2-3

Select the 4 methods of charging an object:

• levitation, reduction, construction, suction

• conduction, friction, induction, polarization

• convection, conduction, friction, abduction