Electricity Review

The flow of energy as a current is called ________________.

• electricity

• heat

• light

• sound

When an electric current flows through a wire wrapped around an iron nail, what is formed?

• lightning

• open circuit

• electromagnet

Tags

NGSS.MS-PS2-3

You will have a stronger electromagnet if you wrap which material around the iron nail?

• copper wire

• rubber band

• yarn

Tags

NGSS.MS-PS2-3

Materials that allow electricity to easily flow through them are _______________________.

• circuits

• conductors

• inhibitors

• insulators

A class prepared some electrical circuits using battery, connecting wires, and three light bulbs.  Which of these circuits can make the three bulbs light?

• A

• B

• C

• D

Tags

NGSS.MS-ETS1-1

What type of energy transformation occurs in a battery-powered flashlight?

• Chemical to Electrical to Light

• Electrical to Chemical to Light

• Light to Chemical to Electrical

• Chemical to Light to Electrical

Electricity that flows constantly in one direction on a given path.

• current electricity

• static electricity

• electron pathway

• conductor

Electrical lights will not come on unless their electrical circuit is a --

• parallel circuit

• series circuit

• closed circuit

• short circuit

Which of these is NOT a conductor?

• copper wire

• metal coin

• rubber band

• sea water

Materials that do not allow electricity to flow easily through them are _____________________.

• circuits

• conductors

• inhibitors

• insulators