Electricity Quiz

What can an electrically charged object do to an uncharged object?

• Attract it

• Repel it

• Do nothing

• Change its color

What types of energy can electrical energy be transformed into?

• Heat, light, sound, and motion

• Only heat

• Only light

• Only sound

What is required for the flow of electricity?

• A closed circuit

• An open circuit

• A broken wire

• A single battery

What should you do to identify materials that conduct electricity?

• Classify them

• Ignore them

• Paint them

• Break them

A science class is observing their class lizard in its cage. The students placed a lamp next to the lizards cage and turned it on, as shown. What energy transformation occurred?

• heat energy to chemical and light

• heat energy to light and mechanical

• electrical energy to heat and light

• electrical energy to mechanical and light

Joel was investigating static electricity with balloons in his class. He hung two balloons close together. If the balloons had the same static charge, which observation correctly describes their observations?

• The balloons are being repelled away from each other without any contact between them.

• The balloons are being attracted to one another without any contact between them.

• The balloons are attracted to each other only after contact has been made.

• The balloons are repelled away from each other only after contact is made.

Heading 1:

Rubber Ball

Glass

Plastic Knob

Heading 2:

Gold Necklace

Metal Paper Clip

Copper Wire

• Heading 1: Poor conductors of Electrical Energy

  Heading 2: Poor conductors of Electrical Energy

• Heading 1: Good conductors of Electrical Energy

  Heading 2: Good conductors of Electrical Energy

• Heading 1: Good conductors of Electrical Energy

  Heading 2: Poor conductors of Electrical Energy

• Heading 1: Poor conductors of Electrical Energy

  Heading 2: Good conductors of Electrical Energy

Mrs. Putnam turned on the radio. Which energy transformation most likely occurred?

• Heat energy is transformed into light energy.

• Chemical energy is transformed into light energy.

• Electrical energy is transformed into sound energy.

• Mechanical energy is transformed into sound energy.

Kaleb is shown a list of examples that show forms of energy. The examples were all produced from the same form of energy.

1. The heat from a toaster

2. The lights from a lamp.

3. The air blowing from a fan

4. The sound from the Television

Which form of energy was used to produce the examples?

• heat energy

• sound energy

• electrical energy

• mechanical energy

Alexa used a comb to brush her hair. The comb now has a negative charge. Next she moved the comb towards a positively charged hair. Which of the following best explains what is happening to the her hair.

• They were attracted by the comb only after the comb touched them.

• They were attracted by the comb when the comb got close to them.

• They were repelled by the comb before the comb touched them.

• They were neither attracted or repelled by the comb.