Quiz about Ps3.3

Question 1

Kinetic energy is...

Accepted Answer

energy in motion

Answer

Energy at rest

Answer

Energy stored in food

Answer

energy from a splitting atom

Question 2

Mass is...

Accepted Answer

How much matter is in an object

Answer

How much an object weighs

Answer

The rate at which an object moves

Answer

How much kinetic energy an object has

Question 3

Speed is...

Accepted Answer

the rate at which an object moves.

Answer

how much an object weighs.

Answer

how much matter is in an object.

Answer

how much kinetic energy an object has.

Question 4

____________ has the greatest impact of kinetic energy.

Accepted Answer

speed

Answer

mass

Answer

volume

Answer

weight

Question 5

What two factors affect an object's kinetic energy?

Accepted Answer

mass and speed

Answer

area and volume

Answer

mass and weight

Answer

weight and height

Question 6

Which object has the most kinetic energy?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 7

If all objects are moving as the same speed, which would have the greatest kinetic energy?

Accepted Answer

Box of 20 textbooks

Answer

tennis ball

Answer

football

Answer

notebook

Question 8

Why is it more difficult to stop a four-person bobsled than a three-person bobsled?

Accepted Answer

the four-person sled has more KE

Answer

the four-person sled has less KE

Answer

the 3 person bobsled has more potential energy

Answer

None of the above

Question 9

Which 2 answers describe the energy transfer in the diagram?

Accepted Answer

Position 1: KE is decreasing, and PE is increasing.

Accepted Answer

Position 5: KE is increasing, and PE is decreasing.

Answer

Position 2: KE is increasing, and PE is decreasing.

Answer

Position 3: KE is increasing, PE is increasing.

Answer

Position 4: KE is decreasing, and PE is increasing.

Question 10

Increasing an object's mass will increase its kinetic energy.

Accepted Answer

true

Answer

false

Question 11

Increasing an object's speed will decrease its kinetic energy.

Accepted Answer

false

Answer

true

Question 12

Which statement is best supported by the data in the table?

Accepted Answer

When the distance the rubber band was stretched doubled, the speed of the truck doubled.

Answer

When the distance the rubber band was stretched doubled, the speed of the truck tripled.

Answer

When the distance the rubber band stretched was tripled, the speed of the truck reduced by half.

Answer

When the distance the rubber band stretched was tripled, the speed of the truck increased by 3 meters per second.

Question 13

When one energy form is changed into another it is called a...

Accepted Answer

transformation

Answer

created

Answer

destroyed

Answer

transcription

Question 14

Where would this tossed baseball have the least amount of kinetic energy?

Accepted Answer

Point X

Answer

Point W

Answer

Point Y

Answer

Point Z

Question 15

As a train nears to the top of the mountain it has more ____________ than _____________.

Accepted Answer

stored energy, energy of motion

Answer

kinetic energy, potential energy

Answer

stored energy, potential energy

Answer

kinetic energy, stored energy

Question 16

Which of the following correctly states the law of conservation of energy?

Accepted Answer

Energy cannot be created or destroyed, but can be changed from one form to another.

Answer

Energy can be created and destroyed and can also be changed from one form to another.

Answer

Energy is created when it is converted from one form to another.

Answer

In most systems, some energy is destroyed and lost as heat

Question 17

Mr. Sloan lifted a hammer and placed it on a high shelf. How was energy transformed in this example?

Accepted Answer

Kinetic energy was transformed into potential energy

Answer

Chemical energy was transformed into solar energy

Answer

Solar energy was transformed into chemical energy

Answer

Potential energy was transformed into kinetic energy

Question 18

As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?

Accepted Answer

The potential energy decreases while the kinetic energy increases

Answer

Both the potential energy and kinetic energy decrease

Answer

The kinetic energy decreases while the potential energy increases

Answer

Both the potential energy and kinetic energy increase

Question 19

Which organism is an herbivore?

Accepted Answer

Jackrabbit

Answer

Kit fox

Answer

Kangaroo rat

Answer

Red-tailed hawk

Question 20

Which organism is an omnivore?

Accepted Answer

Kangaroo rat

Answer

Kit fox

Answer

Jackrabbit

Answer

Red-tailed hawk

Question 21

Which organism is a carnivore?

Accepted Answer

Red-tailed hawk

Accepted Answer

Kit fox

Answer

Jackrabbit

Answer

Kangaroo rat

Question 22

Which organism is a producer?

Accepted Answer

Prickly pear cactus

Answer

Kit fox

Answer

Jackrabbit

Answer

Kangaroo rat

Question 23

What important role to decomposers fill?

Accepted Answer

They break down dead bodies, providing nutrients for soil.

Answer

They keep herbivore populations under control.

Answer

They compete with top predators.

Answer

They keep the insect population under control.

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