Flow of Electricity

A battery, a wire coil, and a metal nail can be connected so that electricity will flow through the metal coil around the nail. The nail will then become –

• magnetized

• smaller

• larger

• softer

The device below uses batteries.

When turned on sound comes from the device. The device gets its power to produce sound from –

• solar energy

• electrical energy

• magnetic energy

• living energy

If the switch was pulled to complete the circuit, the –

• battery would melt

• bulb would produce light

• bulb would not light up

• wires would not be connected to the bulb

Which statement best explains why both light bulbs light up?

• The battery contains energy.

• There is a path for current to pass through both light bulbs.

• There are more wires than light bulbs.

• The light bulbs are physically separated by the wires.

Tags

NGSS.MS-PS2-3

Which of the following materials could be used as conductors in an experiment involving the flow of electricity?

• Copper

• Steel

• Aluminum

• All of the above

Which of the following will happen if the button is pressed?

• The bulb will produce light and the buzzer will produce sound

• The buzzer will produce sound but the bulb will not produce light

• The bulb will produce light but the buzzer will not produce sound

• The buzzer will not produce sound and the bulb will not produce light

Tags

NGSS.4-PS3-2

The diagram below represents an electric circuit.

Even though the switch is not completing the circuit, both bulbs are still on. Which wire could be removed from the circuit and still leave the bulbs on?

• Wire R

• Wire S

• Wire T

• Wire U

A group of students was working on an investigation involving conductors and insulators. They discussed the properties of blocks made of four different materials. Each block had the same volume. The four blocks are shown below.

Which material could be used to make wires in a simple circuit?

• Silver

• Cement

• Sponge

• Wood

Tags

NGSS.MS-PS1-2

A student was working on an investigation involving circuits. She formed four simple circuits by connecting batteries to four different light bulbs. In each circuit, she replaced a section of wire with a different unknown material. The diagram below represents her investigation.

• Material 1

• Material 2

• Material 3

• Material 4

Tags

NGSS.MS-PS1-2

The diagram below shows a circuit with four lit bulbs.

How many of the bulbs will remain lit if the wire is cut at the point shown by the arrow?

• 0

• 2

• 3

• 4