# Test Your Knowledge On Energy!

Reviewed by Matt Balanda
Matt Balanda, BS, Science |
Physics Expert
Review Board Member
Matt graduated with a Master's in Educational Leadership for Faith-Based Schools from California Baptist University and a Bachelor's of Science in Aerospace Engineering and Mathematics from the University of Arizona. A devoted leader, transitioned from Aerospace Engineering to inspire students. As the High School Vice-Principal and a skilled Physics teacher at Calvary Chapel Christian School, his passion is nurturing a love for learning and deepening students' connection with God, fostering a transformative educational journey.
, BS, Science
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Test your knowledge on energy with the below quiz that we have brought here for you. A simple definition of energy is, it is the capacity to do work, move an object by some application of force, or heat an object. Energy is a quantitative property that can be transferred from objects to objects and can take forms but cannot be created or destroyed. This quiz will ask you some essential points about the topic. Let's see how well you know.

• 1.

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

• A.

Coal is burned at a power plant.

• B.

Gasoline is burned in a car engine.

• C.

Charcoal is burned in a barbeque pit.

• D.

All of the above.

D. All of the above.
Explanation
All of the given options involve the burning of a substance, which is a chemical reaction that releases energy in the form of heat. When coal is burned at a power plant, gasoline is burned in a car engine, or charcoal is burned in a barbeque pit, chemical energy stored in these substances is converted into thermal energy, resulting in the production of heat. Therefore, all of the options mentioned involve the conversion of chemical energy to thermal energy.

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• 2.

### Which of the following is the best example of increasing an object's potential energy?

• A.

Rolling a bowling ball.

• B.

Turning on a light bulb.

• C.

Stretching a rubber band.

• D.

Dropping a pencil.

C. Stretching a rubber band.
Explanation
Stretching a rubber band is the best example of increasing an object's potential energy because when a rubber band is stretched, work is done to store potential energy in the stretched rubber band. The potential energy is stored in the form of elastic potential energy, which is released when the rubber band returns to its original shape. This is different from the other options, as rolling a bowling ball, turning on a light bulb, and dropping a pencil do not involve the storage of potential energy in the same way as stretching a rubber band.

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• 3.

### An object that has kinetic energy must be...

• A.

Lifted above the earth's surface.

• B.

In motion

• C.

At rest

• D.

None of the above

B. In motion
Explanation
An object that has kinetic energy must be in motion because kinetic energy is the energy possessed by an object due to its motion. Kinetic energy depends on the mass and velocity of the object. When an object is in motion, it has both mass and velocity, which allows it to possess kinetic energy. Therefore, if an object is not in motion, it does not have kinetic energy.

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• 4.

### Thermal energy is...

• A.

Kinetic

• B.

Potential

• C.

Both kinetic and potential.

• D.

Neither kinetic nor potential.

C. Both kinetic and potential.
Explanation
Thermal energy is a form of energy derived from the temperature differences between objects, or from the absolute temperature of an object. It encompasses both kinetic and potential energy at the microscopic level. The kinetic part of thermal energy is associated with the random motions of the molecules, atoms, or particles in a substance. The faster these particles move, the higher the temperature and the greater the amount of kinetic thermal energy. The potential part of thermal energy involves the potential interactions between these particles, such as the potential energy due to atomic or molecular vibrations or due to forces between particles (e.g., van der Waals forces, electrostatic forces).

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• 5.

### Sound energy is...

• A.

The energy of a compound that changes as its atoms are rearranged to form new compounds.

• B.

The total energy of the particles that make up an object.

• C.

The energy caused by an object's vibrations.

• D.

The energy of motion.

C. The energy caused by an object's vibrations.
Explanation
Sound energy is the energy caused by an object's vibrations. When an object vibrates, it creates sound waves which carry energy. This energy is then transferred to our ears, allowing us to hear the sound. Sound energy can be produced by various objects, such as musical instruments, speakers, or even our vocal cords. It is a form of mechanical energy, as it involves the motion of particles in a medium (such as air, water, or solids) that transmit the sound waves.

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• 6.

### What device converts chemical energy to mechanical energy?

• A.

Human

• B.

Car

• C.

Jet ski

• D.

All of the above.

D. All of the above.
Explanation
All of the above options convert chemical energy to mechanical energy. In the case of humans, the chemical energy from the food we consume is converted into mechanical energy to power our muscles and allow us to move. Similarly, in a car, the chemical energy in the fuel is converted into mechanical energy by the engine to propel the vehicle. Jet skis also convert chemical energy from fuel into mechanical energy to generate thrust and move through water. Therefore, all three options mentioned in the question convert chemical energy to mechanical energy.

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• 7.

### As height increases, so does...

• A.

Thermal energy.

• B.

Mechanical energy.

• C.

Kinetic energy.

• D.

Potential energy.

D. Potential energy.
Explanation
As height increases, the potential energy also increases. Potential energy is the energy possessed by an object due to its position or height above the ground. The higher an object is, the greater its potential energy. This is because when an object is lifted to a higher position, work is done against gravity, and this work is stored as potential energy. Therefore, as the height increases, so does the potential energy.

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• 8.

### The law of _________________ of energy states that energy cannot be created or destroyed.

• A.

Transformation

• B.

Absorption

• C.

Conservation

• D.

Atability

C. Conservation
Explanation
The law of conservation of energy states that energy cannot be created or destroyed. This means that the total amount of energy in a closed system remains constant over time. Energy can only be transferred or transformed from one form to another, but the total energy within the system remains unchanged. This principle is a fundamental concept in physics and is applicable to various phenomena, such as in the study of mechanical, thermal, and electromagnetic energy.

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• 9.

### According to the law of conservation of energy, in theory, a bouncy ball should never stop bouncing. However, we know that it eventually stops. Where does the energy go?

• A.

Some of it gets converted into sound energy and escapes into the surroundings.

• B.

Some of it gets converted into thermal energy and escapes into the surroundings.

• C.

Both A and B

• D.

None

C. Both A and B
Explanation
According to the law of conservation of energy, energy cannot be created or destroyed, only transferred or transformed. In the case of a bouncy ball, when it is dropped and bounces, some of the energy is converted into sound energy, causing the ball to make a sound as it hits the surface. This sound energy escapes into the surroundings. Additionally, some of the energy is converted into thermal energy due to the friction between the ball and the surface it bounces on. This thermal energy also escapes into the surroundings. Therefore, both options A and B are correct.

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• 10.

### Energy is...

• A.

When the surfaces of two objects rub against each other

• B.

The ability to do work

• C.

Both A & B

• D.

None

B. The ability to do work
Explanation
The correct answer is "Both A & B." This is because energy is the ability to do work, and when the surfaces of two objects rub against each other, they are doing work by transferring energy between them.

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Matt Balanda |BS, Science |
Physics Expert
Matt graduated with a Master's in Educational Leadership for Faith-Based Schools from California Baptist University and a Bachelor's of Science in Aerospace Engineering and Mathematics from the University of Arizona. A devoted leader, transitioned from Aerospace Engineering to inspire students. As the High School Vice-Principal and a skilled Physics teacher at Calvary Chapel Christian School, his passion is nurturing a love for learning and deepening students' connection with God, fostering a transformative educational journey.

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• Apr 10, 2024
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Expert Reviewed by
Matt Balanda
• Jan 24, 2008
Quiz Created by
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