Electric charge
Electric force
Conductor and insulator
Static discharge
100

What are the two types of electric charges?


positive (+) and negative (-) charges

100

What happens when a positively charged object is near a negatively charged object?

They will attract each other.

100

 What is a material that allows electric charges to move freely?

conductor

100

 What is the transfer of electric charge between objects not touching?

static discharge

200

What happens to an object that has more positive particles than negative ones?

It has a positive charge.

200

 What are two factors that influence the strength of electric forces?

amount and distance

200

What is an example of an insulator?

rubber ballon 

wood

plastic

200

What can happen when you touch a doorknob after walking on a carpet?

You may experience a static discharge.


300

 What do we call matter that has equal positive and negative charges?

Neutral

300

What is the term for the push or pull that charged objects exert on one another?

electric force

300

How do charges behave in conductors compared to insulators?

harges can move freely in conductors but cannot move freely in insulators.

300

How is static electricity related to lightning?

lightening is static discharge but much more power full

400

 If two objects have the same charge, what will happen when they are brought close together?

They will repel each other.

400

Name one factor that affects the strength of the electric force between two objects.

the amount of electric charge or the distance between objects

400

What is the main difference between conductors and insulators?

Conductors allow charge movement; insulators do not.

400

What sequence leads to a static discharge when touching a doorknob?

Walking on a rug, acquiring electric charges, and then touching the doorknob.

500

What is it called when charged objects push or pull each other? 

What is electric force?

500

What occurs when two positively charged objects are brought close together?

They repel each other.

500

What happens to negative charges in a conductor when a charged rod is brought near?

They move in response to the charged rod.

500

What happens to your body when you walk on certain carpets?

You acquire a negative charge.