Quiz about Science Unit 5-Energy Review

Question 1

A ball is held still in the air. Because of this, it possesses:

Accepted Answer

potential energy

Answer

kinetic energy

Answer

light energy

Answer

both a and b

Question 2

Which of these statements is always correct?

Accepted Answer

As an object speeds up, its kinetic energy increases.

Answer

As an object slows down, its potential energy decreases.

Answer

Potential energy is always equal to kinetic energy.

Answer

Total Mechanical Energy represents kinetic energy and light energy.

Question 3

As a sled goes down a hill,

Accepted Answer

kinetic energy increases, potential energy decreases, mechanical energy remains constant

Answer

kinetic energy increases, potential energy increases, mechanical energy increases

Answer

kinetic energy decreases, potential energy increases, mechanical energy remains constant

Answer

kinetic energy decreases, potential energy decreases, mechanical energy decreases

Question 4

A direct force means that

Accepted Answer

objects are touching when exerting force on each other

Answer

objects are not touching when exerting force on each other

Answer

energy has been created while the force was exerted

Answer

energy has been destroyed while the force was exerted

Question 5

A car is moving 10 miles per hour. Which of the following do we know is true?

Accepted Answer

The car has kinetic energy.

Answer

The car does not have potential energy.

Answer

The car has potential energy.

Answer

The car does not have kinetic energy.

Question 6

Which of the following is not part of the Law of Conservation of Energy?

Accepted Answer

The energy you start with is less than when you finish.

Answer

The energy you start with is the energy you finish with.

Answer

Energy can be changed from one form to another.

Answer

Energy cannot be created or destroyed.

Question 7

Total Mechanical Energy:

Accepted Answer

remains constant

Answer

is the same as potential energy

Answer

is constantly changing

Answer

is the same as kinetic energy

Question 8

Energy cannot be transferred through:

Accepted Answer

none of the above

Answer

heat

Answer

light

Answer

sound

Question 9

If you know that an object has a large amount of potential energy, what is most likely true about the object?

Accepted Answer

It is high off the ground.

Answer

It is big.

Answer

It is moving fast.

Answer

It is going down a hill.

Question 10

A spring that is tightly compressed has what kind of energy?

Accepted Answer

potential energy

Answer

electrical energy

Answer

sound energy

Answer

kinetic energy

Question 11

When we feel heat from the sun, which of the following are we NOT experiencing?

Accepted Answer

kinetic energy

Answer

an indirect force

Answer

heat energy

Answer

energy transfer

Question 12

One example of electrical energy being transferred into sound energy is:

Accepted Answer

an announcement given over speakers

Answer

pushing boxes

Answer

plugging a phone into the wall

Answer

a magnet colliding with another magnet from attracting each other

Science Unit 5-Energy Review

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