HMH Science Unit 10

What is the buildup of electric charge on an object?

• electric current

• static electricity

• conductor

• battery

What supplies energy to move charges through a circuit?

• battery

• the sun

• an insulator

• a conductor

What is material that electric current can pass through easily?

• a circuit

• a battery

• a conductor

• an insulator

What is the path made for an electric current called?

• electric current

• an insulator

• a conductor

• a circuit

What is material that electric current CANNOT easily pass through?

• electric current

• a conductor

• an insulator

• static electricity

If there is a break along a series circuit what will happen?

• It will work but not as well.

• It will keep going because it is a series.

• It stops for a second and then reboots.

• It will stop working.

Electric currents need a ________________ to keep electrons flowing.

• lots of neutrons and electrons.

• an energy source

• an insulator

• lightning

What is it called if an object has the same number of positive and negative charges?

• neutral

• a resistor

• a parallel circuit

• positive

Objects with opposite charges _________________ if held next to each other.

• repel

• explode

• attract

• are neutral

If you have two objects with the same charges what will happen?

• they will attract one another.

• they will be neutral.

• they will repel from each other.

• they will create a static charge.

Tags

NGSS.MS-PS2-3