Static electricity

When you get shocked by touching a doorknob, that's an example of ___________________.

• static electricity

• an electrial circuit

Static electricity is when_________________

• electrons jump from one thing to another.

• magic happens.

Ms Pippin rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will repel each other.

• The balloons will attract each other.

• The balloons will become positively (+) charged.

• The balloons will pop.

The difference between attraction and repulsion is that to attract is to pull something closer and repel is to push something away.

• True

• False

Electrical charge built up on the surface of an object is called _________________.

• static electricity
• current electricity
• lightning
• electrons

What is the major difference between static electricity and current electricity?

• Current electricity involves a continuous flow of elecrons; static electricity is a sudden transfer of protons

• Current electricity can be deadly; static electricity is almost always safe

• In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons

• Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

An object that is neutral contains the same number of electrons and protons.

• True

• False

Which of the following is caused by static electricity?

• a stove getting hot when it is turned on
• a magnet being attracted to a refrigerator
• a lightning strike during a storm
• a light bulb coming on when a switch is turned on

Lightning occurs because ___.

• the negative charges at the bottom of clouds are attracted to the positive charges on the ground.

• the positive charges at the bottom of clouds are attracted to the negative charges on the ground.

• the positive and negative charges inside clouds are attracted to each other

• All of these reasons are correct.