Electricity

Which of these materials is a good insulator?

• gold

• copper

• silver

• plastic

Tags

NGSS.5-PS1-3

In a series circuit, what will happen if the path for the electrical current is broken by a burned out bulb?

• The electrical current will stop fllowing and none of the bulbs will light up.

• The electrical current will continue flowing and the other bulbs will light up.

• The energy source will continue to move the electric charge through the circuit.

Tags

NGSS.3-PS2-3

NGSS.4-PS3-2

An electric tooth brush is an example of transforming

• electricity into heat

• electricity into sound energy

• electricity into motion energy

• electricity into light

Tags

NGSS.4-PS3-4

In this image of a smoke detector what part of the circuit is the switch?

• the battery

• the wire

• the alarm horn

• the test button

• the plastic case that covers the smoke detector when it is closed

In this image of a smoke detector what part of the circuit is the resistor?

• the battery

• the wire

• the alarm horn

• the test button

• the plastic case that covers the smoke detector when it is closed

In this image of a smoke detector what part of the circuit is the energy source?

• the battery

• the wire

• the alarm horn

• the test button

• the plastic case that covers the smoke detector when it is closed

Tags

NGSS.4-PS3-2

In this image of a smoke detector what part of the circuit is the conductor?

• the battery

• the wire

• the alarm horn

• the test button

• the plastic case that covers the smoke detector when it is closed

In this image of a smoke detector what part of the circuit is the insulator?

• the battery

• the wire

• the alarm horn

• the test button

• the plastic case that covers the smoke detector when it is closed

Which of the folowing uses resistors to transform electricity into sound?

• a teacher blowing a whistle

• drums

• an electric piano

• a flute

Tags

NGSS.4-PS3-2

NGSS.4-PS3-4

Which of the following can transform electrical energy into heat?

• a hair dryer

• a warm sweater

• a barbeque grill

• the sun

Tags

NGSS.4-PS3-2

NGSS.4-PS3-4