Electricity (EM)

If you rub two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will pop.

• The balloons will become positively (+) charged.

• The balloons will repel each other.

• The balloons will attract each other.

• Nothing

When socks get stuck to towels in your dryer, this is an example of

• static electricity

• current electricity

• voltage

• resistance

What types of charges attract?

• Negative and Neutral

• Positive and Negative

• Positive and Neutral

• Positive and Positive

The potential difference that causes charges to move in a circuit is

How do electrons differ from protons?

• Protons are neutral 

• Electrons hold a negative charge and protons hold a positive charge.

• Electrons are positively charged and protons are negatively charged.

• They are the same thing

Electric charges that are different _______ each other.

What charge does a proton have?

What charge does an electron have?

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

• A neutral charge

• A positive charge.

• A negative charge.

• No charge at all

Which of the following is caused by static electricity?

• a stove getting hot when it is turned on

• a light bulb coming on when a switch is turned on

• a lightning strike during a storm

• a magnet being attracted to a refrigerator