Electricity

What supplies energy in an electric circuit?

• a conductor

• a wire

• light bulb

• a battery

Which material is a conductor?

• plastic

• silver

• glass

• wood

Tags

NGSS.MS-PS2-3

Why did the person who made Circuit A probably connect the wires to a penny?

• They needed to use a penny to make the bulb light

• They were testing to see if the penny conducts electricity.

• They used the penny to supply extra power.

• The penny will prevent sparks.

Tags

NGSS.MS-ETS1-1

Which of these could be used as a resistor in a circuit?

• a pencil

• a gas engine

• a rubber eraser

• an electric motor

A material in a circuit that stops current from flowing..

• conductor

• metal

• insulator

• flow

Which symbol represents the battery?

• The open lines at the top.

• The long line connecting everything.

• The circle with the X.

• The two small circles.

Which of the objects below is NOT needed to test electrical conductivity?

• Battery

• Object Powered by electricity

• Insulated Wire

• Electrical tape

A simple device that open and closes an electrical circuit is called a ?

• battery

• switch

• load

• wire

Which LED's produce light when the switch is in the position shown?

• LEDs 1, 3, and 4 only

• LEDs 1, 2, and 5 only

• LEDs 1, 2, 3, and 4

• LEDs 3 and 4 only

Which of these changes to the electric circuit shown will cause the light bulb to light up?

• Straightening the wire so electricity can flow easily.

• Adding a switch so that the current can flow more easily.

• Turning one battery so that its positives end connects to the other battery's negative end

• Making the length of wire the same on both sides.

Tags

NGSS.3-5-ETS1-1

NGSS.3-5-ETS1-2

NGSS.3-PS2-3

NGSS.4-PS3-2