Vocabulary
Positive & Negative
Formula
Challenge Q&A
100

What force exists between charged objects?

Electric force

100

What charge does an electron have?

Negative
100

What letter represents electric force?

“F”

100

If 2 charges move closer together, what happens to the force?

It increases

200

What happens when a positive(+) and negative(-) charge come together?

They attract

200

What charge does an proton have?

Positive

200

In Coulomb’s Law, what does “r” represent?

Distance between charges

200

what kind of force is Coulomb’s Law about? Hint( ____ force)

Electrostatic force

300

What happens when 2 positive(+) charges come near each other?

They repel 

300

Which particle has no charge?

Neutron

300

In Coulomb’s Law, what does “q” represent?

Electric charge

300
Why can balloon stick to a wall after rubbing it on your hair?

Static electric attraction

400

What scientist created Coulomb‘s law?

Charles Augustin de Coulomb

400

Do like charges attract or repel?

Repel

400

What happens to force if charges increase?

The force increases 

400

Is Coulomb‘s force stronger at short distance or long distance?

Short distance 

500

What unit is electric charge measured in?

Coulombs

500

Do opposite charges attract or repel?

Attract

500

What is the formula for Coulomb’s law?

F=(q1q2)/r^2

500

If one of the charges is doubled, what happens to the electric force?

The force doubles