ENERGY

As a baseball flies through the air after being hit, which one of the following types of energy does it have?

•            a. potential energy
•            b.   kinetic energy
•             c. nuclear energy
•             d.  chemical energy

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What happens when electrical energy is changed to thermal energy?

• a.  An energy change takes place.
• b.  A force change takes place.
• c. An energy conversion takes place.     
• d. An electrical conversion takes place.

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When a bat hits a baseball, which of the following is transferred from the bat to the ball?

• a. work
• b. energy
• c. force
• d. electrical energy

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Which of the following is found when you compare the amount of energy before a conversion with the amount of energy present after a conversion?

• a. kinetic energy
• b. potential energy
• c. energy efficiency
• d. energy source

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NGSS.MS-PS3-5

When is the potential energy the greatest in a roller coaster?

• a. at the bottom of the first hill
• b. at the top of the first hill
• c. at the top of the second hill
• d. at the bottom of the second hill

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What is a force that opposes motion between two surfaces that are touching called?

• a. friction
• b. kinetic energy
• c. nuclear fission
• d. electrical energy

When you eat fruits and vegetables, which of the following types of energy are you taking in?

• a.  thermal energy
• b. sound energy
• c. electrical energy
• d. chemical energy

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Any time an energy conversion takes place, some of the original energy is converted to which one of the following?

• a. sound energy
• b. potential energy
• c. light energy
• d. thermal energy

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Which of the following is a conversion from light energy to chemical energy?

• a. turning on a stove to heat dinner
• b. turning on a lamp
• c. growing an apple tree
• d. making toast in a toaster

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NGSS.MS-LS1-6

After an energy conversion, you end up with the same total amount of energy as the original amount of potential energy. Which of the following laws explains this rule?

• a. law of energy changes
• b. law of conservation of energy
• c. law of power and energy
• d. law of potential energy

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