Electric Circuits

A circuit must form a closed loop to have an electric current.

• true

• false

Electricity is dangerous only when it is labeled as high voltage.

• true

• false

Every electric circuit must have an energy source.

• true

• false

An _ is a complete, closed path through which electric charges can flow.

• electric current

• electric circuit

Materials in which electric charges can move easily are called _.

• electrical conductors

• electrical insulators

An _ is a material, such as glass, plastic, or rubber, through which electric charges cannot move easily.

• electrical conductor

• electrical insulator

A complete circuit also includes a _, a device that uses electrical energy to operate.

• doorbell

• phone

• load

Tags

NGSS.MS-PS3-5

A _ is a device that turns electrical devices on and off.

• load

• circuit

• switch

In a _, all parts are connected in a row that forms one path for the electric charges to follow.

• parallel circuit

• series circuit

In a _, electric charges have more than one path that they can follow.

• series circuit

• parallel circuit

Tags

NGSS.MS-PS2-3