The strength of a sea breeze depends on

the difference between the temperature of the sea and the land

the amount of precipitation that day

When air particles gain energy and rise into the atmosphere, how does this affect the air pressure on the earth's surface?

It causes the air pressure to drop creating low pressure

It causes the air pressure to rise creating high pressure.

It does not affect the air pressure on the earth's surface.

It causes 6th grade students to forget to do their homework.

Which statement correctly defines wind?

The movement of air from areas of high pressure to areas of low pressure.

The movement of air from areas of low pressure to areas of high pressure

The movement of air to a colder area in the atmosphere.

The movement of air pushed around and bouncing off Earth's surface.

Global winds are bands of high pressure and low pressure found at every 30° of latitude. What is the main cause of global winds?

convection currents in the atmosphere

The drawing below shows a sea breeze. When is this type of wind pattern most likely to occur?

during the day when the land heats faster than the surface of the sea

during the night when the surface of the sea cools faster than the land

during the day when the sea is as warm as the land

during the night when the air above land is warmer than the air above the sea

The arrows in the diagram represent air movement. This air movement is a result of

the sun heating the land and water differently.

particles of pollution entering the air.

the waves pushing against the land.

water evaporating from plant leaves.

The image below shows air circulating over a coastal area and nearby ocean. Which statement is true?

A land breeze forms at night because the land cools faster than the ocean.

A land breeze forms during the day because the land warms faster than the ocean.

A land breeze flows from the ocean at night because the water cools faster than the land.

A land breeze flows toward the ocean at night because the land and ocean cool at the same time.

The drawing below shows a sea breeze. Which statement about the sea breeze shown is true?

A sea breeze forms during the day because the land warms faster than the ocean.

A sea breeze forms at night because the land cools faster than the ocean.

A sea breeze flows toward the ocean at night because the land and ocean lose heat at the same rate.

A sea breeze flows toward the land during the day because the land and ocean lose heat at the same rate.

Which of these helps to create global wind systems?

Colder wind moves from the poles to the equator.

Warmer air moves from the poles to the equator.

The North Pole receives more solar radiation than the South Pole.

The South Pole receives more solar radiation than the North Pole.

The arrows represent the movement of air above a road on a sunny day. What is happening at arrow X?

Warm air is rising because warm air is less dense than cooler air.

Warm air is rising because warm air is more dense than cooler air.

Cold air is rising because cold air is more dense than warmer air.

Cold air is rising because cold air is less dense than warmer air.

The diagram shows the patterns of global winds on Earth. How are northeast trade winds created?

The Sun’s radiation warms the air at the equator, causing the air to rise, and the rotation of Earth on its axis creates northeast trade winds.

Moist air at 30°N creates large amounts of clouds that block the flow of air from the equator, causing the air to sink and create northeast trade winds.

Ships traveling across the ocean between the equator and 30°N change the flow of water, and the wind is cooled by frequent rain to create northeast trade winds.

The oceans at the equator store the Sun’s radiation, generating a flow of cooler winds from the north, creating northeast trade winds.

Study the image of a coastline at night. What explains why the air is sinking at point Y?

The land is cooler than the water at night, so the air cools, is more dense, and sinks.

The land is warmer than the water at night, so the air warms, is less dense, and sinks.

The land is cooler than the water at night, so the air cools, is less dense, and sinks.

The land is warmer than the water at night, so the air warms, is more dense, and sinks.

Taking into account the average air temperature on Earth, the model shows the expected and actual paths of wind. What mainly contributes to the direction of wind’s actual path?

revolution of the Moon around Earth

gravitational pull on the gases in the atmosphere by the Sun

number of severe storms in the atmosphere due to Earth’s global temperature

A student covers the mouth of a plastic bottle with a balloon and fills two bowls, one with hot water and the other with ice. The student holds the bottle in each bowl and observes the effect that each temperature has on the balloon. Which question is the demonstration most likely designed to answer?

How does temperature affect global convection currents?

How does water evaporate to begin the water cycle?

Does air experience a phase change when heated and cooled?

Convection Current

Quiz

•

Science

•

6th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-ESS2-6, MS-ESS2-5, MS-PS1-4

+2

Standards-aligned

Charles Martinez

FREE Resource

38 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

At the seashore late in the afternoon on a hot day, a person often feels a strong breeze coming from the ocean because...

the pounding waves generate air currents

warm air over the ocean rushes in to replace the cool air that rises over the land

the heavy, cool air over the ocean rushes in to replace the warm air that rises over the land

there are no clouds to block the wind coming in from the ocean

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Heat transfer by convection is caused by differences in what two things:

Thickness and material

Weight and electricity

Temperature and pressure

Mass and density

Tags

NGSS.MS-PS3-4

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The main reason that we have currents in the ocean and air is

the sun heats the air and ocean evenly everywhere

the heat inside the earth heats the ocean and the ocean heats the air

the sun cannot heat both the air and water, so one must heat the other

the sun heats air and water more at the equator because it receives more direct sunlight

Tags

NGSS.MS-ESS2-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Energy for convection on the Earth comes from...

The sun

The moon

Solar winds

The ocean

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Warm air is __________ dense than cold air and rises creating convection currents.

more

less

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Near the ceiling of a room the air is warmer. The warm air rises because of

conduction

convection

radiation

Tags

NGSS.MS-PS1-4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In convection, WARM air

Rises

Sinks

Tags

NGSS.MS-ESS2-5

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Convection Current

38 questions

At the seashore late in the afternoon on a hot day, a person often feels a strong breeze coming from the ocean because...

Heat transfer by convection is caused by differences in what two things:

The main reason that we have currents in the ocean and air is

Energy for convection on the Earth comes from...

Warm air is __________ dense than cold air and rises creating convection currents.

Near the ceiling of a room the air is warmer. The warm air rises because of

In convection, WARM air

In convection, COOL air

What causes the Coriolis effect?

Do sea breezes typically happen during the day or night?

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