Lucy decided to build a flashlight. The drawing below shows the circuit plan.

Which describes Lucy’s flashlight?

• Dim light with batteries that last a long time

• Bright light with batteries that burn out quickly

• Dim light with batteries that burn out quickly

• Bright light with batteries that last a long time

Tags

NGSS.MS-ETS1-1

How does a diode change an electric circuit?

• The electricity travels only in one direction

• The electricity moves much faster

• The electricity only moves backward

• The electricity can move in two directions

Look at the drawing. Which best describes the switch?

• Parallel

• Series

• Open

• Closed

The switch is used to

• Turn the light bulb on and off

• Turn the battery on and off

Tags

NGSS.3-PS2-3

NGSS.4-PS3-2

Which will light a bulb?

• A switch and a wire

• A paper clip and a wire

• A battery and a wire

• A battery and a paper clip

Tags

NGSS.MS-ETS1-1

1 D-cell battery produces 1.5 volts. 20 D-cell batteries would produce ___

volts.

• 45

• 5

• 15

• 30

What do the arrows 3 and 4 represent?

• Gives off light

• Where electricity enters and exits the

  bulb

• A circuit

• Heat energy

Tags

NGSS.MS-PS2-3

What does the arrow 2 represent?

• Gives off light

• Where electricity enters and exits the

  bulb

• A circuit

• Heat energy

Light bulbs use electricity to make light. What else do light bulbs often give

off?

• Solar energy

• Wind energy

• Food energy

• Heat energy

Tags

NGSS.MS-PS3-4

What two lightbulbs will light?

• 1

• 2

• 3

• 4