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

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

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

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

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

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?

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

Falling time increases with the mass of a falling object.

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

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

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?

at all times until the ball comes to a stop

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

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?

marbles that have thin cracks on their surfaces

marbles that are only brown and gray

How does water change the rocks of an ocean beach?

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

Water makes the rocks glow in the dark.

Water causes rocks to grow larger over time.

Water turns rocks into sand instantly.

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

water seeping inside the pebbles

cold air seeping inside the pebbles

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

Ice breaks apart the boulder through freeze-thaw weathering.

Ice melts the boulder into smaller pieces.

Ice causes the boulder to expand and crack from within.

Ice erodes the boulder by washing it away with water.

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?

a river at the base of the valley

Tomas freezes a mixture of sand and water into ice cubes. He piles the ice cubes onto a tray and then observes the ice cubes as they melt. What type of change to Earth’s surface is Tomas modeling?

Melting of ice (physical change)

Freezing of water (physical change)

Condensation of steam (physical change)

Evaporation of water (physical change)

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

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

The resource is inconvenient to use.

The resource is more expensive than a renewable resource.

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

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.

Wind is a renewable energy resource.

Wind power does not cause pollution.

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

Wind power is useful almost everywhere.

Wind turbines rarely break down or need to be replaced.

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?

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

They are considered renewable because they are found in abundance.

They are nonrenewable due to their high cost of extraction.

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

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

The dam can damage the river environment.

The rushing water of rivers is a nonrenewable resource.

The electric generators release harmful gases.

The electric generators add pollution to the water.

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?

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

Fishing regulations ensure all species will thrive forever.

All animals can adapt to environmental changes easily.

Some animals are always abundant and cannot go extinct.

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

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

Recycling has no impact on pollution levels.

Recycling uses more energy than it saves.

Recycling increases waste in landfills.

Which statement best describes the role of critical energy resources in people’s lives today?

Energy resources are important for people everywhere.

Energy resources are not important because only a few people use them.

Energy resources are important only in rural areas because other resources are used elsewhere.

Energy resources are important only to people who drive automobiles or trucks.

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.

Recycle or donate the damaged shoes and the small ones.

Keep the damaged shoes and wear the small ones

Burn the shoes to dispose of them

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

buy products that use less electricity to run

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

ride bicycles instead of driving cars

Javier is shopping for oranges at the grocery store. He knows that the foods we eat depend on energy resources. He claims that the only energy resource that was used is the electricity in the grocery store. Is Javier’s claim correct?

No, Javier's claim is not correct.

Javier's claim is correct; all food comes from electricity.

Javier is partially correct; only transportation energy is relevant.

Yes, Javier's claim is correct because electricity is the only resource needed.

Observe the photo of the oil rig. Kavon does not think that oil-drilling machines are needed to collect oil deposits because oil is lighter than natural materials and will rise toward Earth’s surface. Is Kavon’s reasoning correct?

No, Kavon's reasoning is not correct.

Oil-drilling machines are only needed for natural gas extraction.

Oil is too heavy to rise to the surface.

Yes, Kavon's reasoning is correct.

How is water stored in an aquifer?

as a liquid in the spaces of porous rock

as an underground lake or river

as water vapor beneath impermeable rock

as chunks of ice mixed into rock

Study the aquifers shown in the diagram.

The clay is an impermeable material that separates the aquifers.

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

The clay stores additional water in its pore spaces.

The clay forms both aquifers and supplies water to them.

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

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

No, only oil can be stored in the rocks.

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

No, the rocks become unusable after oil extraction.

4G Science 2nd 9wks Review

Quiz

•

Science

•

4th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-ESS2-2, MS-PS2-2, MS-PS2-5

+16

Standards-aligned

Michelle Hall

Used 79+ times

FREE Resource

Student preview

40 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which hockey puck has the most friction acting on it?

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

A hockey puck that is sliding on the ice.

A hockey puck that is being dropped on the ice.

A hockey puck that is sliding on a wooden board.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

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

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

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

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

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The diagram shows a ball rolling across a table.

friction between the ball and table

gravity between the ball and Earth

the contact force of the ball pushing on the table

the magnetic force between the ball and table

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Sandpaper applies less friction than ice.

Sandpaper and ice apply the same amount of friction.

Ice applies more friction than sandpaper.

Sandpaper applies more friction than ice.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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?

slower

bounces higher

the same speed

faster

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

Tags

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

The door has magnets inside it.

The door has a flat, smooth surface.

The door is made of plastic or glass.

The door is made of a magnetic metal.

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4G Science 2nd 9wks Review

40 questions

Which hockey puck has the most friction acting on it?

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

The diagram shows a ball rolling across a table.

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

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?

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

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

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

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

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?

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