What Can Electric Forces Do?

An electric force is ___________________.

• stronger than a magnetic force.

• a push or pull between objects that have electric charges.

• not real.

• found only in a battery.

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Electric forces can be found in nature.

• true

• false

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Electric charges can be _________ or ___________.

• in or out

• north or south

• left or right

• positive or negative

__________ charges attract each other.

• like

• opposite

• none

• all

What is happening when charges repel?

• They stop working.

• They don't move.

• They push apart.

• They pull together.

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Electric forces between objects that are closer are _________.

• stronger

• weaker

• negative

• positive

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An imbalance of positive and negative charges is _______ .

• always around you

• impossible

• magnetism

• static electricity

Objects charged with static electricity can __________ .

• only push with electric force.

• only pull with electric force.

• both push and pull with electric force.

• neither push nor pull with electric force.

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Lightning is a build up of electric charges in the clouds.

• true

• false

What change will decrease the electric force between two charged objects?

• rub them together

• bring them close together

• move them far apart

• add more electric charges to them

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