Electrostatics charges

If two balloons have the same charge, what will happen if you place them close to each other?

• Nothing
• They will be attracted
• They will pop
• They will push each other away.

Tags

NGSS.HS-PS2-4

What is the name of this device that is used to detect charges?

• beaker
• electroscope
• van de graff generator
• chargometer

Tags

NGSS.HS-PS2-4

Charging by friction:Rubbing== Charging by contact:_____

• rubbing
• touching
• no contact

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electric charge is neither created nor destroyed, but can be rearranged.

• true
• false

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Coulomb's law says that the force between any two charges depends

• directly on the magnitude of the charges
• inversely on the square of the distance between the charges
• both of the above
• neither of the above

Tags

NGSS.HS-PS2-4

After you rub a balloon on your hair, what charge does the balloon have?

• Positive
• Negative
• Neutral

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

After you rub a balloon on your hair, what charge does your hair have?

• Positive
• Negative
• Neutral

Tags

NGSS.HS-PS2-4

NGSS.HS-PS3-5

What do you call the process of charging a conductor by bringing it near another charged object?

• induction
• polarization
• neutralization
• conduction

Tags

NGSS.HS-PS2-4

Which of the following is not a good insulator?

• Copper
• Glass
• rubber
• wool

Tags

NGSS.HS-PS3-4

Two like charges

•  neutralize each other.
• repel each other. 
• must be neutrons. 
• attract each other.

Tags

NGSS.HS-PS2-4