Hhm Unit 6 Energy

The batteries of a flashlight contain

• chemical

• thermal

• kinetic

The ability to cause change in matter is called

• elecromagnet

• friction

• energy

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Sound energy is a type of _____________ energy

• kinetic

• potential

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Olivia is combing her hair. After a while, she notices that the comb attracts the hairs on her head. Which explanation BEST describes why the hairs are attracted to the comb?

• Combing the hairs caused them to lose their static charge.

• Combing the hairs caused the comb to lose its static charge.

• Combing the hairs gave them a charge that is opposite the charge on the comb.

• Combing the hairs gave them a charge that is the same as the charge on the comb.

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You rub two balloons on your hair on a dry day. Your hair is attracted to both balloons. Then you bring the balloons near one another. How would you describe what happens to the balloons?

• They repel one another

• They attract one another

• They neither repel nor attract

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Which is NOT something that energy can do?

• change an object's temperature

• be completely used up

• change into other forms of energy

What type of energy changes take place when a candle burns?

• chemical energy changes into thermal and light energy

• electrical energy changes into light energy and chemical energy

• kinetic energy changes into light and thermal energy

This is the energy of moving electrons. 

• nuclear 
• electricity 
• potential 
• sound 

Look at the picture below.  Which part of the lamp system could be removed and the lamp still work?

• The lamp shade
• The electrical cord
• The light bulb
• The wall outlet

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You are taking a cold soda on a field trip.  You must choose from four containers in which to carry the soda.  The four containers are made of different materials.  Which container will most likely insulate the soda the best?

• Metal
• Styrofoam
• Glass
• Plastic

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