Ocean Current/Wind 8.10A

The Sun warms the atmosphere and drives convection currents because -

• warm air is less dense, so it rises.

• the warmed air cools and makes rain.

• the cooler land pushes away warm air.

• warm air, in contact with cool air, rotates.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The major patterns of movement of air and water on Earth are the result of –

• different densities of seawater and fresh water.

• diversity in the height of coastal landforms.

• uneven heating and the rotation of Earth.

• irregular durations of daytime and nighttime.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

An illustration of how a convection current creates a wind, called a sea breeze, is provided. Which of the following best explains what creates this convection current?

• Salt in the ocean makes it more dense than the land, so its gravity pulls more on the air above it.

• During the day, the Sun’s energy heats up the land faster, which makes the air above it warmer.

• The rotation of Earth makes the air above it rotate, but not the same over land and water.

• During the day, Earth’s gravity creates a high pressure area over both the land and water.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The process the causes plate tectonics, wind, and ocean currents is known as...

• Radiation
• Conduction
• Nuclear Energy
• Convection

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-6

Warm air _________ and cool air ___________.

• rises/sinks
• sinks/rises

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is one role of the ocean in convection?

• to provide a home for animals
• to absorb & release heat
• To surf on
• To drink from

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NGSS.MS-ESS2-6

Energy for convection on the Earth comes from...

• The sun
• The moon
• Solar winds
• The ocean

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

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NGSS.MS-ESS2-6

Hot air rises because...

• it is less dense
• it is heavier
• it is more dense
• it contains Helium

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NGSS.MS-PS1-4

In convection currents, COOL air

• Rises
• Sinks