Energy Review Quiz

When you use a microwave to heat up your food, the electrical energy is converted into which other forms of energy?

• Sound, motion, and chemical energy

• Light, sound, and heat energy

• Electrical, light, and motion energy

• Heat, chemical, and electrical energy

A girl sitting at the very top of a tall slide is about to go down. Her energy is mostly _____, and as she slides, it transforms into _____.

• motion energy; potential energy

• sound energy; heat energy

• potential energy; motion energy

• motion energy; heat energy

Which of the following actions is the best example of converting motion energy into sound energy?

• Reading a book quietly

• Clapping your hands together

• Standing perfectly still

• Feeling a warm blanket

Both a battery and a piece of wood have what kind of stored energy that can be released later?

• Electrical energy

• Motion energy

• Sound energy

• Chemical energy

When one falling domino knocks over a whole row of other dominoes, what is the best evidence that energy was transferred from one domino to the next?

• The dominoes are all the same color.

• Each domino in the line falls over after being hit.

• The first domino was pushed by a finger.

• The table they are on is flat.

Two identical balls are rolled toward a wall. Ball A is rolled very fast, and Ball B is rolled very slowly. Which statement is true?

• Ball B will make a louder sound because it has more potential energy.

• Both balls will make the same sound.

• Ball A will make a louder sound because it has more motion energy.

• Ball B will make a louder sound because it has more time to build up energy.

A moving bumper car collides with a bumper car that is not moving. What happens to most of the moving car's energy during the collision?

• It is destroyed.

• It stays with the first car.

• It is transferred to the second car.

• It changes into chemical energy.

To make a light bulb in a circuit glow less brightly, you would need to...

• increase the amount of energy it receives.

• change the color of the bulb.

• decrease the amount of energy it receives.

• use a longer wire to connect it.

Which of these is an energy source that generates electricity without causing a large amount of air pollution?

• Coal

• Natural Gas

• Wind

• Gasoline

An engineer wants to build a new type of speaker that can be very loud and clear. Which scientist would be the best partner for this project?

• A scientist who studies how to store energy in batteries.

• A scientist who studies how electricity can be converted into sound.

• A scientist who studies how to convert light into heat.

• A scientist who studies motion.