Electricity III

The circuit pictured was created to produce -

• light energy

• magnetic energy

• sound energy

• loud vibrations

Tags

NGSS.MS-PS4-1

A student wraps a wire around an iron nail. The student then connects the wire to a battery. The nail attracts another nail and they stick together. What force holds the two nails together?

• Gravitational force

• Magnetic force

• Electrical force

• Friction force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following is NOT part of an electromagnet?

• A wire

• A piece of iron

• A toothpick

• A power source

Students are designing an electrical circuit that produces sound. Which of the following could be used to conduct electricity in the circuit?

• Metal foil strip

• A small glass tube

• A rubber band

• A drinking straw

The diagram shows a bulb and a wire attached to a battery. Why would this bulb be lit?

• The battery is out of energy.

• The bulb is out of energy.

• The circuit is incomplete.

• The circuit is complete.

The diagram shows pieces of scrap iron being picked up by a metal disk hanging from a crane. The pieces of scrap iron are attracted to the metal disk. The metal disk is MOST LIKELY functioning as which of the following?

• A battery

• An engine

• An insulator

• An electromagnet

Tags

NGSS.MS-PS2-5

The circuit diagram shows a series circuit with two batteries connected to four light bulbs and four different materials labeled 1, 2, 3, and 4. Which of the four materials is acting as an insulator rather than a conductor?

• 1

• 2

• 3

• 4

During a science investigation, a student made the device shown. This device can BEST be used as a—

• heater

• magnet

• light source

• simple radio

Why doesn't the circuit above work?

• There is no path for electricity to flow.

• There is no source of electrical energy.

• There is no device to determine if the system is functioning.

• There is no switch to turn the circuit on and off.

Each picture shows a light bulb connected to a battery. Which picture shows a complete circuit that will cause the bulb to glow?

• A

• B

• C

• D