Circuits, Transformation, Conductors & Insulators

A battery, bulb, wires, and a switch as shown in the illustration. The bulb does not light. What change would make the bulb light?

• Use a larger battery

• Change the wires

• Close the switch

• Replace the bulb

Tags

NGSS.4-PS3-2

NGSS.4-PS3-4

Which of these would be a good insulator of electricity?

• Steel

• Rubber

• Copper

• Aluminum

Electricity can flow only when which of the following is present?

• A switch attaches to a battery.

• The circuit has a lightbulb

• There is a complete path for it to follow.

• The wire is made an insulator.

Kimberly is building a model of an electric circuit and must choose an object that conducts electricity well. An image of four objects is provided. Which of these would be the best conductor of electricity?

• Plastic bottle

• Aluminum can

• Wooden block

• Glass marble

Tags

NGSS.MS-PS2-3

Materials that allow electricity to flow through them easily are called conductors. Which of these would be a good conductor of electricity?

• Carbon

• Steel

• Rubber

• Plastic

The diagram shows an electrical circuit. What object could be placed in the open space between the wires to complete the circuit?

• Penny

• String

• Eraser

• Crayon

Tags

NGSS.4-PS3-2

Cody is building a circuit, but he cannot get it to work. An image of his circuit is provided. Which of the following could be the reason that Cody’s circuit is not working?

• It is not a closed circuit.

• The battery is charged.

• The wires are too long.

• The is small.

Jake is creating a project with an electric For part of the project, Jake needs an insulator. A good insulator would NOT be made of which of the following?

• Plastic

• Rubber

• Copper

• Glass

The fan illustrated here plugs into the wall and blows air to make a room Which of the following best explains how it works?

• It reduces heat by producing sound energy.

• It gets chemical energy from gases in the air.

• It transforms electrical energy into the energy of motion.

• It spins, sending heat and light energy through its wires.

Maya’s teacher asked all the students to take a picture of electrical energy being transformed into light energy. Which will correctly meet of this assignment?

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