Electric Charges and Fields

"Two objects that are not touching can exert a force on each other"

Which statement best supports this claim?

• John travoltage has a lot of negative electrons in his body

• John Travoltage rubs his foot on the carpet

• John's body had a positive charge due to a build up of electrons.

• John travoltage gets shocked even though he is not touching the door knob

When rubbed on the sweater the balloon gains an overall _______________ charge

Because the balloon has an overall negative charge, it is _________________________ to the sweater because of its overall positive charge.

What is the best explanation for why the can moves toward the balloon after rubbing in in the boy's hair?

• The balloon and can are both neutral

• The balloon and the can have the same charge so they are attracted to each other

• The positive charges in the can are attracted to the negative charges in the balloon

• The balloon is positive and the can is negative

You pull a shirt out of your dryer. The shirt has a negative charge.

When the negatively charged shirt came near your brother he got a _______________ as the electrons jumped from the shirt to your brother.

What best describes how the sock could get stuck to the shirt in the picture?

• The sock's positive charge was attracted to the positive charges in the man's shirt.

• The sock and the shirt both have negative charges that attract.

• The sock's negative charge was attracted to the positive charges on the man's shirt.

• Both the sock and the shirt have neutral charges.

Opposite charges___________________.

Like charges _____________________.

The following atom has too many electrons. This means it has a net ___________________ charge.

When an atom has the same number of electrons and protons it is said to have a net ___________________charge.