Quiz about 4G Science 2nd 9wks Review

Question 1

Which hockey puck has the most friction acting on it?

Accepted Answer

A hockey puck that is sliding on a wooden board.

Answer

A hockey puck that is hit by a stick and is now in the air.

Answer

A hockey puck that is sliding on the ice.

Answer

A hockey puck that is being dropped on the ice.

Question 2

The illustration shows a golf ball rolling from left to right across the grass.

Accepted Answer

draw an arrow from the grass to the ball, pointing to the left

Answer

draw an arrow from the grass to the ball, pointing to the right

Answer

draw an arrow from the ball to the grass, pointing down

Answer

draw an arrow from the ball to the air, pointing up

Question 3

The diagram shows a ball rolling across a table.

Accepted Answer

friction between the ball and table

Answer

gravity between the ball and Earth

Answer

the contact force of the ball pushing on the table

Answer

the magnetic force between the ball and table

Question 4

This is a photo of sandpaper. How can you investigate whether sandpaper applies more or less friction than ice?

Accepted Answer

Sandpaper applies more friction than ice.

Answer

Sandpaper applies less friction than ice.

Answer

Sandpaper and ice apply the same amount of friction.

Answer

Ice applies more friction than sandpaper.

Question 5

Jamal and his friends play soccer every Saturday at the park. It rained last night, so the field is wet, but it is not soggy. Does the ball roll faster or slower than normal?

Accepted Answer

slower

Answer

bounces higher

Answer

the same speed

Answer

faster

Question 6

) Each illustration shows a horseshoe magnet and an iron nail. In which one is the force of magnetism on the nail the strongest?

Accepted Answer

Question 7

A magnet can hold papers onto a refrigerator door. Which statement about the refrigerator door correctly explains what makes this possible?

Accepted Answer

The door is made of a magnetic metal.

Answer

The door has magnets inside it.

Answer

The door has a flat, smooth surface.

Answer

The door is made of plastic or glass.

Question 8

Does a magnet need to touch a metal object to hold it?

Accepted Answer

No, a magnet does not need to touch a metal object to hold it.

Answer

Yes, a magnet must touch a metal object to hold it.

Answer

A magnet can only hold metal objects that are in direct contact.

Answer

Magnets can only attract metal objects when they are heated up.

Question 9

The diagram shows a bar magnet and four points near it. At which point is the magnetic force the strongest?

Accepted Answer

Point A

Answer

Point B

Answer

Point C

Answer

Point D

Question 10

Zoe is investigating the forces between bar magnets. She draws the diagram shown here. This diagram shows bar magnets. She wants to add an arrow between the magnets to show the magnetic force. What is the best choice?

Accepted Answer

Question 11

Melissa prepares three paper bags. Each bag contains either sand, gravel, or rocks. She drops each bag from a height of 5 meters and measures the falling time. The table shows the results. Which conclusion does the investigation most strongly support?

Accepted Answer

Falling time does not change with the mass of a falling object.

Answer

Falling time increases with the mass of a falling object.

Answer

All objects fall at the same speed from a height of 5 meters.

Answer

All objects fall at different speeds from a height of 5 meters.

Question 12

Which force makes an apple fall to the ground?

Accepted Answer

gravity

Answer

mass

Answer

magnetism

Answer

friction

Question 13

This is a photo of a table with several objects on it. Which objects are experiencing gravity?

Accepted Answer

All objects on the table

Answer

Only the objects on the floor

Answer

Only the objects in the air

Answer

Only the table

Question 14

This photo shows a baseball after it is hit. After the baseball is struck by the bat, when does gravity cause a change to its motion?

Accepted Answer

at all times until the ball comes to a stop

Answer

only when the ball is rising

Answer

only when the ball is falling

Answer

during the brief moment when the ball is at its highest position

Question 15

Is gravity a contact force or a noncontact force?

Accepted Answer

Noncontact force

Answer

Tension force

Answer

Magnetic force

Answer

Frictional force

Question 16

Manuel is using glass marbles as a model of rocks. He wants to show how ice can weather rocks. His plan is to cover the marbles with water and then freeze them. What kind of glass marbles would be most useful for Manuel to use?

Accepted Answer

marbles that have thin cracks on their surfaces

Answer

the strongest marbles possible

Answer

marbles of only one size

Answer

marbles that are only brown and gray

Question 17

How does water change the rocks of an ocean beach?

Accepted Answer

Water changes the rocks of an ocean beach by eroding and weathering them.

Answer

Water makes the rocks glow in the dark.

Answer

Water causes rocks to grow larger over time.

Answer

Water turns rocks into sand instantly.

Question 18

This photo shows a large rock. Observe the tiny pits on the surface of this rock that developed over time. What caused these pits?

Accepted Answer

weathering from wind

Answer

weathering from water

Answer

ice wedging

Answer

melting snow

Question 19

This photo shows pebbles. What caused these pebbles to get their smooth, rounded shape?

Accepted Answer

weathering from rushing water

Answer

water seeping inside the pebbles

Answer

cold air seeping inside the pebbles

Answer

weathering from ice and wind

Question 20

This is a photo of a boulder. How did ice act to break apart this boulder?

Accepted Answer

Ice breaks apart the boulder through freeze-thaw weathering.

Answer

Ice melts the boulder into smaller pieces.

Answer

Ice causes the boulder to expand and crack from within.

Answer

Ice erodes the boulder by washing it away with water.

Question 21

This is a photo of a canyon. Which process most likely formed the canyon?

Accepted Answer

erosion by the river

Answer

erosion by wind

Answer

erosion by ice

Answer

erosion by rain and snow

Question 22

Mika wants to model the deposition of Earth's materials along the bank of a river. Which of the following would you not see deposited by river water?

Accepted Answer

boulders

Answer

pebbles

Answer

soil

Answer

sand

Question 23

Where does deposition from a river usually occur: on mountains, on hills, or on flat land?

Accepted Answer

on flat land

Answer

in the ocean

Answer

on steep cliffs

Answer

in the desert

Question 24

This is a photo of a mountain U-shaped valley. The shape of the mountain valley changed over time. What most likely caused the valley to change its shape?

Accepted Answer

a glacier

Answer

a river at the base of the valley

Answer

rain and wind

Answer

a volcanic eruption

Question 25

What is a disadvantage of using a nonrenewable resource, such as oil energy?

Accepted Answer

The resource cannot be easily replaced after it is used up.

Answer

The resource is inconvenient to use.

Answer

The resource is more expensive than a renewable resource.

Answer

The resource exists only as a solid, not a liquid or gas.

Question 26

This is a photo of wind turbines. What are two advantages of using the power in the photo below to produce electricity? Select two answers.

Accepted Answer

Wind is a renewable energy resource.

Accepted Answer

Wind power does not cause pollution.

Answer

The cost of wind power is only the cost of the land.

Answer

Wind power is useful almost everywhere.

Answer

Wind turbines rarely break down or need to be replaced.

Question 27

Coal, oil, and natural gas all formed from natural processes that continue today. Why are they identified as nonrenewable resources if nature can replace them?

Accepted Answer

They are nonrenewable because their formation takes millions of years, and we consume them much faster than they can be replaced.

Answer

They are considered renewable because they are found in abundance.

Answer

They are nonrenewable due to their high cost of extraction.

Answer

They are renewable because they can be replenished in a short time.

Question 28

This is a photo of a dam. What is a disadvantage of building dams on rivers to generate electricity?

Accepted Answer

The dam can damage the river environment.

Answer

The rushing water of rivers is a nonrenewable resource.

Answer

The electric generators release harmful gases.

Answer

The electric generators add pollution to the water.

Question 29

This is a photo of a cod. Animals are identified as renewable resources. Why might we not be able to use some animals in the future?

Accepted Answer

Some animals may become extinct or endangered due to overfishing and environmental changes.

Answer

Fishing regulations ensure all species will thrive forever.

Answer

All animals can adapt to environmental changes easily.

Answer

Some animals are always abundant and cannot go extinct.

Question 30

This is a photo of a man recycling. How does the environment benefit when people recycle?

Accepted Answer

The environment benefits from recycling by reducing waste, conserving resources, saving energy, and decreasing pollution.

Answer

Recycling has no impact on pollution levels.

Answer

Recycling uses more energy than it saves.

Answer

Recycling increases waste in landfills.

Question 31

Xander cleaned out his closet and found lots of old shoes he no longer wears. One pair has a hole on the bottom, and another pair is too small. Explain what Xander should do with both pairs of shoes to have the smallest impact on the environment.

Accepted Answer

Recycle or donate the damaged shoes and the small ones.

Answer

Throw both pairs in the trash

Answer

Keep the damaged shoes and wear the small ones

Answer

Burn the shoes to dispose of them

Question 32

Conservation helps protect our energy resources. What are TWO ways we can conserve electricity?

Accepted Answer

buy products that use less electricity to run

Accepted Answer

turn off lights in a room when no one is using them

Answer

recycle metals and plastics

Answer

ride bicycles instead of driving cars

Question 33

Which property of limestone makes it permeable to water?

Accepted Answer

tiny spaces inside it

Answer

gray or white color

Answer

rough texture

Answer

soft surface

Question 34

How is water stored in an aquifer?

Accepted Answer

as a liquid in the spaces of porous rock

Answer

as an underground lake or river

Answer

as water vapor beneath impermeable rock

Answer

as chunks of ice mixed into rock

Question 35

Study the aquifers shown in the diagram.

Accepted Answer

The clay is an impermeable material that separates the aquifers.

Answer

The clay permits water from the two aquifers to mix together.

Answer

The clay stores additional water in its pore spaces.

Answer

The clay forms both aquifers and supplies water to them.

Question 36

After oil is removed from an underground deposit, do you think it is possible for other materials to be stored in the rocks?

Accepted Answer

Yes, it is possible for other materials to be stored in the rocks.

Answer

No, only oil can be stored in the rocks.

Answer

Yes, but only gases can be stored in the rocks.

Answer

No, the rocks become unusable after oil extraction.

4G Science 2nd 9wks Review

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