Science 9: Unit D Electricity

The flow of electricity in a circuit-

• current
• flow
• circuit

Magnetism created by an electric current

• electricity
• electromagnetism
• wind energy

____________ allows electrons to move easily through material

• A conductor

• An insulator

• A magnet

____________ stops the flow of electricity.

• A conductor
• An insulator
• A magnet

To complete a circuit the switch must be

• unattached
• open
• closed

The plastic around the wire is

• conductor
• insulator
• decoration

Two batteries in a circuit make the lights in the circuit brighter than one battery.

• true
• false

If the lights are off, the circuit is

• closed
• open

In a parallel circuit the current

• makes one circle
• stays in one path
• splits and goes through two components

Is the circuit pictured complete or incomplete? 

• Complete
• Incomplete