Static electricity

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

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

• static electricity
• current electricity
• lightning
• electrons

During a lab a balloon was rubbed with a wooly fabric. This is an example of which type of charging?

• conduction

• friction

• induction

What types of charges attract?

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

Materials that tightly hold on to their electrons are considered 

• Good conductors
• Good insulators
• Good anti-static agents
• Useful for storing charge

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

The girl's hair and the comb are attracting  one another.  The hair and the comb have

• opposite charges
• like charges

Static charges build up when

• protons move within an object
• electrons move within an object
• neutrons move within an object
• the nucleus moves within an object