Electric Forces - Charges

Why did the water droplets move around the chared needle?

• Gravity pulled them down

• An unbalanced force pulled them towards the needle

• An unbalanced force pushed them away from the needle

What part of the atom contains the negative charge?

• Proton

• Neutron

• Electron

When matter becomes charged, what particels are moved?

• Protons

• Neutrons

• Electrons

Like charges (+ and +) or (- and -)...

• Attract

• Repel

Why does the charged balloon stick to the wall?

• Gravity holds it there

• The negative charge on the balloon pushes the positive charges away.

• The negative charge on the balloon pushes the negative charges away.

How do we see unbalanced charges on clouds move?

• Rain

• Lightning

• Thunder

• Hail

In the Balloon Lab, why did the balloons move away from each other?

• They both have positive charge.

• They both have negative charge.

• The have opposite charge.

What happened the more times you rubbed the balloons?

• The distance between the balloons increased.

• The distance between the balloons decreased.

• There was no change.

What is Electric Current?

• Getting shocked.

• The flow of electrons.

• The buildup of electrons.

• The light shining.

Which factor DOES NOT affect the strength of the electric force?

• distance between objects

• magnitude of the charges

• mass of the objects