Quiz about Unit 2 Science Summative - Energy and Motion

Question 1

The scientific definition of energy is the ability to

Accepted Answer

cause motion or change.

Answer

change states of matter.

Answer

change shape.

Answer

cause a change in health.

Question 2

If two objects with different weights are moving at the same speed, the lighter object has

Accepted Answer

less energy than the heavier object.

Answer

more energy than the heavier object.

Answer

an unpredictable amount of energy.

Answer

the same amount of energy as the heavier object.

Question 3

When an object moves slower, its energy of motion

Accepted Answer

decreases.

Answer

is zero.

Answer

increases.

Answer

remains constant.

Question 4

How can a ball be given stored energy?

Accepted Answer

Lift it up to a high shelf.

Answer

Roll it down a hill.

Answer

Drop it from the top of a ladder.

Answer

Throw it to another person.

Question 5

Scientists say that energy is conserved because energy

Accepted Answer

cannot be created or destroyed.

Answer

cannot be transferred between objects.

Answer

is created when a still object starts moving.

Answer

can be stored in an object raised to a height.

Question 6

While playing outside in the snow, Mario pushes Kaylana down a steep sledding hill as shown here. Which of the following BEST explains when the sled gains the most energy of motion?

Accepted Answer

when Mario pushes the sled with his hand

Answer

when Kayla gets on the sled

Answer

when Kayla gets off the sled

Answer

when the sled stops at the bottom of the hill

Question 7

Look at the picture of Phillip dropping a rock into the dirt. In this diagram, in which position does the rock have only stored energy?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 8

When playing golf with her friends, Melina hits the ball off the ground using her fastest swing. When does her ball have the MOST energy of motion?

Accepted Answer

when she hits it hard off the ground

Answer

when it is sitting on the ground

Answer

when it lands on the grass and stops moving

Answer

when she picks it up and puts it back in her golf bag

Question 9

Asad and Sebastian decide to go explore a mountain stream. When they get there, Sebastian drops a rock into the stream and Asad photographs the resulting splash shown here. Which answer BEST explains why the water splashes up in the photo?

Accepted Answer

Some of the energy from the rock is transferred to the water.

Answer

Deep water has more energy.

Answer

Cold water has more energy.

Answer

Some of the energy from the water is transferred to the rock.

Question 10

Based on evidence in the table, which ball did NOT make the net move?

Accepted Answer

beach ball

Answer

football

Answer

volleyball

Answer

playground ball

Question 11

Based on evidence in the table, which claim BEST explains why the net moved or did not move?

Accepted Answer

Heavier objects have more energy of motion.

Answer

Energy can be lost.

Answer

Energy can be stored.

Answer

Lighter objects have more energy of motion.

Question 12

What happens when two objects collide?

Accepted Answer

Energy is transferred from one object to another.

Answer

Energy is changed into force.

Answer

Energy is created and the objects move faster.

Answer

Energy is destroyed and the objects move slower.

Question 13

Which of the following collisions would cause a still object to move at the speed of the object that hit it?

Accepted Answer

A collision of a moving object with a still object of the same weight

Answer

A collision of a moving object with a lighter still object

Answer

A collision of a moving object with a heavier still object

Answer

A collision of a large, light object and a still object that is smaller, heavier

Question 14

When two objects of the same weight traveling at different speeds collide head on, both objects

Accepted Answer

change direction and move at a slower speed.

Answer

stop moving.

Answer

change direction and move at their original speed.

Answer

bounce backward and travel at their original speed.

Question 15

Some of the energy transferred during a collision can produce _________.

Accepted Answer

All of the above.

Answer

heat

Answer

light

Answer

sound

Question 16

Scientists cannot predict what would happen when objects collide if

Accepted Answer

energy were not conserved.

Answer

light were not conserved.

Answer

speed affected the amount of energy.

Answer

weight affected the amount of energy.

Question 17

While playing with toy cars, Kirsten and Luca each push a car toward the center of the room. What happens when the toy cars collide, as shown in the photograph below?

Accepted Answer

Energy is transferred.

Answer

Energy is lost.

Answer

Energy is gained.

Answer

Energy is unchanged.

Question 18

In the image below, Jonah is about to kick the football. Which of the following BEST explains how Jonah can tell that energy transfers from his foot to the ball during the collision?

Accepted Answer

The speed of the ball changes.

Answer

The ball does not move.

Answer

The weight of the ball changes.

Answer

The weight and speed of the ball change.

Question 19

Look at the photograph of Marisol hitting a golf ball with a golf club. Just as the photo was taken, the photographer heard a loud sound. Which BEST explains why the photographer heard a sound during the collision?

Accepted Answer

Some of the energy transferred to the ball.

Answer

The motion of the ball changed.

Answer

The motion of the club changed.

Answer

Some of the energy transferred to the air.

Question 20

Which claim is BEST supported by the evidence in the chart?

Accepted Answer

The blue bowling ball transferred the most amount of energy to the pins.

Answer

The red bowling ball transferred the least amount of energy to the pins.

Answer

The green bowling ball transferred the least amount of energy to the pins.

Answer

The black bowling ball transferred the most amount of energy to the pins.

Question 21

Based on evidence in the two trials, which ball knocked down the FEWEST pins?

Accepted Answer

black ball

Answer

red ball

Answer

blue ball

Answer

green ball

Question 22

Which of the following is a way that energy can transfer without moving objects?

Accepted Answer

All of the above

Answer

when it is carried by sound

Answer

when it is carried by light

Answer

when it is carried by heat

Question 23

All sound starts with

Accepted Answer

a vibration

Answer

a source of heat

Answer

a collision

Answer

a moving object

Question 24

When an object gives off light, it

Accepted Answer

transfers energy

Answer

gains energy

Answer

gains heat

Answer

makes a sound

Question 25

What happens when light bounces off of an object?

Accepted Answer

The light is reflected

Answer

The light changes the temperature of the object

Answer

The light passes through the object

Answer

The light is absorbed

Question 26

The energy carried by sound, light, and heat is

Accepted Answer

always conserved

Answer

decreased slightly

Answer

usually destroyed

Answer

sometimes created

Question 27

Catherine is learning to play the guitar. When she first opens the guitar case, she uses her finger to pluck a string. Look at the photo to see what happens. Which BEST explains what occurs next?

Accepted Answer

The vibrating string transfers energy to the air, resulting in a sound.

Answer

The vibrating string creates energy, resulting in a sound.

Answer

The vibrating string reflects energy in the air, resulting in a sound.

Answer

The vibrating string absorbs energy in the air, resulting in a sound.

Question 28

Look at the picture below. It shows what Jameson sees at a parade. It is very loud at the parade. Which BEST explains why Jameson can feel the ground vibrating?

Accepted Answer

Energy from the sound of the drums transfers to the road.

Answer

Energy from the sound of the drums transfers to his ears.

Answer

Energy from the drums is carried by heat and absorbed by the road.

Answer

Energy from the drums is carried by motion and absorbed by his ears.

Question 29

While he is making soup in a pot, Mr. Yamamoto turns on the stove. Which BEST explains what happens when he turns on the stove?

Accepted Answer

He adds energy and this causes the temperature in the pot to rise.

Answer

He adds energy and this causes the temperature in the pot to decrease.

Answer

He takes away energy and this causes the temperature in the pot to rise.

Answer

He takes away energy and this causes the temperature in the pot to decrease.

Question 30

Mrs. Carlisle enjoys growing plants inside her house, and she likes to keep them in the kitchen next to the window. Which BEST explains what happens to her plants to help them grow?

Accepted Answer

They absorb energy from the light coming through the window.

Answer

They reflect energy from the light coming through the window.

Answer

They destroy energy from the light coming through the window.

Answer

They transfer energy from the light coming through the window.

Question 31

Based on evidence in the table, which of the four trials caused a change in the water?

Accepted Answer

Trial 3

Answer

Trial 1

Answer

Trial 2

Answer

Trial 4

Question 32

What is an electric current?

Accepted Answer

A flow of electric charges

Answer

A mix of heat and sound

Answer

A collision of objects

Answer

A group of magnets

Question 33

To transfer energy carried by light to an electric current, you need a ______.

Accepted Answer

Solar cell

Answer

Turbine

Answer

Generator

Answer

Battery

Question 34

A device that uses an electric current to produce motion is called a _______.

Accepted Answer

Motor

Answer

Turbine

Answer

Solar cell

Answer

Generator

Question 35

In a speaker, an electric current moves a cone-shaped part, which

Accepted Answer

Transfers energy to the air.

Answer

Turns a motor.

Answer

Recharges a battery.

Answer

Lights a filament.

Question 36

Which of the following is true of energy carried by sound, light, and heat?

Accepted Answer

The energy is conserved.

Answer

The energy is always stored.

Answer

The energy does not transfer.

Answer

The energy cannot be produced by an electric current.

Question 37

Which claim is BEST supported by the evidence in the table?

Accepted Answer

People can reduce their energy use by turning off sources they do not need.

Answer

People can save energy by turning on sources they need.

Answer

People can create energy by turning off sources they need.

Answer

People can increase their energy use by turning off sources they do not need.

Question 38

Based on the evidence in the table, on which day did the Silvermans use the most energy?

Accepted Answer

Monday

Answer

Sunday

Answer

Tuesday

Answer

Wednesday

Question 39

A nonrenewable resource is a resource that

Accepted Answer

cannot be replaced as quickly as it is used.

Answer

comes directly from an organism.

Answer

does not cause harm to the environment.

Answer

is produced by nature, not by people.

Question 40

Which of the following is a renewable resource?

Accepted Answer

sunlight

Answer

oil

Answer

coal

Answer

natural gas

Question 41

Mr. Gladstone wants to find a way to power his ranch that uses renewable energy. His wife does some research and shows him this photograph from a magazine called Green Energy. What type of renewable energy source is shown in the photograph?

Accepted Answer

a wind turbine

Answer

an oil rig

Answer

a solar panel

Answer

a power plant

Question 42

Based on evidence in the table, which of the following reasons would BEST explain why some homeowners put up fewer solar panels than their neighbors?

Accepted Answer

Some homes are in the shade for most of the day.

Answer

Some roofs are covered in snow for several months.

Answer

Solar panels are expensive to install for some homeowners.

Answer

Solar panels are difficult to install on homes in the mountains.

Question 43

Based on the data table, which street has the GREATEST percentage of homes with solar panels?

Accepted Answer

Booth Falls Court

Answer

Booth Falls Road

Answer

Manns Ranch Road

Answer

Bald Mountain Road

Unit 2 Science Summative - Energy and Motion

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