Convection Cell

According to this model what is warmer, the orange dot or the green dot?

• Orange dot

• Green dot

Tags

NGSS.MS-ESS2-6

According to this model where is the air rising?

• Above the land because the land is warmer

• Above the land because the land is colder

• Above the ocean because the ocean is warmer

• Above the ocean because the ocean is colder

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

According to this model where is there rising air?

• The equator (Orange Dot)

• 30 Degrees North (Green Dot)

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following statements is true about the movement of fluid in a convection cell?

• Cool fluid rises because it is less dense.

• Hot fluid rises because it is denser.

• Cool fluid sinks because it is denser.

• Hot fluid sinks because it is less dense.

Tags

NGSS.MS-ESS2-6

A forest fire is burning near a cold lake. Which image correctly shows the convection cell that would develop?

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What are two reasons that ocean water sinks in the Arctic Ocean?

• The surface water is warmer and less salty than normal.

• The surface water is warmer and more salty than normal.

• The surface water is colder and less salty than normal.

• The surface water is colder and more salty than normal.

What is a scientific question that can investigate this model?

• Where is the air less dense, the equator or 30 degrees north?

• Where is there air?

• What area will have more tsunamis?

• The equator is warmer than 30 degrees north?

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following correctly shows the direction of convection currents in water?

• A

• B

• C

• D

Tags

NGSS.MS-ESS2-6

The diagram shows a refrigerator. The cooling unit is placed at the top. The cooling unit cools the air near it. What happens to the density of the air as it cools, and how does it move?

• The density of air increases. It moves down.

• The density of air increases. It moves up.

• The density of air decreases. It moves down.

• The density of air increases. It moves up.

Tags

NGSS.MS-PS1-4

Some dye in a beaker of water is gently heated. Why are the streaks of dye seen in the water?

• The hot dye is a better conductor than the cool water.

• The hot dye is a better convector than the cool water.

• The hot water is less dense than the cool water.

• The hot water is denser than the cool water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4