U2 L1 Electric Forces Act on Charged Objects

Electric charge is a physical property that leads to electric and __ interactions.

• magnetic

• thermal

• gravitational

• nuclear

Static electricity occurs when electric charges are __.

• not moving

• moving rapidly

• flowing in a circuit

• oscillating

A positively charged object has more __ charges than negative charges.

• positive

• negative

• neutral

• zero

Opposite charges are __ to each other.

• attracted

• repelled

• neutral

• unaffected

Like charges are __ to each other.

• attracted

• repelled

• neutral

• unaffected

In most objects, positive and negative charges are __ spread out.

• evenly

• randomly

• unevenly

• concentrated

What happens to a neutral object when it gains negative charges?

• It becomes positively charged

• It becomes negatively charged

• It remains neutral

• It loses its positive charges

How can charges in a neutral object move?

• By remaining still

• By being exposed to outside forces

• By staying neutral

• By gaining positive charges

What causes a spark when you touch a doorknob?

• Friction

• Static electricity

• Magnetism

• Heat

When an object becomes charged, it is usually because ____.

• it has gained or lost electrons

• it has changed its shape

• it has been heated

• it has been compressed