Grade 6 Science Review

What is the overall charge of an object when the number of positive charges is equal to the number of negative charges?

• Positive charge

• Negative charge

• Neutral

• Opposite charges

What do you call the electrical charges built up from the rubbing of objects?

• Static electricity

• Electrical charges

• Non-contact force

• Attracted

What is caused by the buildup of static electricity in clouds?

• Thunder

• Rain

• Lightning

• Wind

What happens when two objects have opposite charges?

• They repel each other.

• They attract each other.

• They remain neutral.

• They lose their charges.

When a rubbed object has an excess of negative charges, what is the overall charge?

• Opposite

• Neutral

• Positive

• Negative

Two objects with the same charge repel each other. What kind of force occurs between the two objects?

• Applied force

• Frictional force

• Gravitational force

• Non-contact force

What do you call the path through which electric current flows?

• Electric circuit

• Battery

• Wire

• Switch

The term "static" means?

• Always moving

• Not moving

• Positive

• Neutral

What does the picture below illustrate?

• Electromagnetism

• Current electricity

• Static electricity

• Grounding

Which of the following would be an example of static electricity?

• Getting a shock from touching a doorknob

• Plugging in an electric kettle

• Frying an egg on an electric stove

• Batteries in an MP3 player