Understanding Electricity and Charges Quiz

What is static electricity?

• The flow of electric current through a wire

• An excess of positive or negative charges on an object

• The push or pull between charged objects

What causes lightning?

• The movement of clouds

• A buildup of static electricity in the clouds

• The rotation of the Earth

• The moon's gravitational pull

Lightning usually strikes the _______ objects in an area.

• smallest

• tallest

• slowest

What happens when like charges come close to each other?

• They attract

• They repel

• Nothing

What happens when opposite charges come close to each other?

• They attract

• They repel

• They explode

What is an electric charge?

• A property of matter that can be described as positive or negative

• A type of energy

• A device used to store electricity

What is the purpose of a lightning rod?

• To attract lightning to protect buildings

• To repel lightning

• To generate electricity

• To light up the sky during a storm

Which of the following is true about electric force?

• It can only push objects away

• It can only pull objects closer

• It can either push objects away or pull them closer

• It has no effect on objects

What happens when you rub a balloon on your hair?

• Your hair gets wet

• The balloon pops

• The balloon and your hair get opposite charges

• Nothing happens

Why is it dangerous to be under a tree during a lightning storm?

• The tree can attract lightning

• The tree can fall over

• The tree can catch fire

• All of the above