Electric Current

Metals such as copper and aluminum are good ______________. 

• insulators
• conductors
• circuits
• charges

Tags

NGSS.HS-PS2-5

Most circuits include a device that opens and closes the circuit. This device allows you to turn a light bulb on and off. This device is a

• computer

• wire

• switch

• flashlight

Electrical current will pass easily through metals such as copper, aluminum and gold. These metals are good

• things

• insulators

• charged particles

• conductors

If too much electric current passes through a circuit, the wires can

• make batteries

• cool down

• conductor

• overheat

When too much electric current flows through an object, the object can heat up. What might this cause?

• your computer will turn on

• a fire

• the circuit to open

• carry information from the brain

To have a complete electric circuit, the path must be _____

• small
• closed
• big
• open