Convection

Question 1

Which area of Earth is most similar to the sun’s convection zone?

Revolt · Accepted Answer

the mantle

Question 2

Water is boiling in a clear pot, as shown in the picture.

Revolt · Accepted Answer

They are more spread out and moving faster than those at the surface.

Question 3

The diagram shows how air circulation forms a sea breeze on a warm day.Which best describes what is happening in the diagram?

Revolt · Accepted Answer

At point 4, thermal energy from warm air over the land is transferred upward toward cooler areas of the atmosphere.

Question 4

Water is boiling in a clear pot, as shown in the picture.

Revolt · Accepted Answer

Thermal energy is transferred.

Question 5

The diagram shows the sun’s interior. Convection currents are present in the convection zone.

Revolt · Accepted Answer

They become more dense near the Sun’s surface.

Question 6

A student places a large pot of cold water on a stove and heats it for one minute. Then she takes the pot of water off the burner and places it on the counter. Which best describes the convection currents?

Revolt · Accepted Answer

After the stove is turned off, convection currents continue to transfer energy through the water for a period of time.

Question 7

Which best describes the shape of a convection current?

Revolt · Accepted Answer

circular

Question 8

The diagram shows the motion of a group of water molecules over a heat source.

Revolt · Accepted Answer

They are farther apart.

Question 9

When Xavier places his hands near a light bulb, he notices that certain areas around the light bulb are warmer than others. Which best explains this?

Revolt · Accepted Answer

The area directly above the light bulb is warmest because of convection.

Question 10

Which best describes the convection currents in Earth’s mantle?

Revolt · Accepted Answer

They transfer thermal energy away from Earth’s core toward its crust.

Convection Answers

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