Met Office Video: Understanding Global Circulation Patterns

What is the primary purpose of global circulation on Earth?

• To create weather patterns

• To redistribute heat from the equator to the poles

• To generate ocean currents

• To maintain the Earth's rotation

Tags

DOK Level 2: Skill/Concept

If the Earth did not rotate and was a simple landmass with no oceans, how many circulatory cells would exist in each hemisphere?

• One

• Two

• Three

• Four

Tags

DOK Level 2: Skill/Concept

Which cells are the largest in the Earth's global circulation system?

• Polar cells

• Ferrel cells

• Hadley cells

• Equatorial cells

Tags

DOK Level 2: Skill/Concept

What would happen to the air at the poles if the Earth did not rotate and had no oceans?

• It would rise and move towards the equator

• It would simply sink and move towards the equator

• It would remain stationary

• It would move towards the equator and then rise

Tags

DOK Level 2: Skill/Concept

What is the effect of the Earth's rotation on the global circulation system?

• It simplifies the circulation system

• It creates a single circulatory cell in each hemisphere

• It complicates the circulation system, resulting in a 3-cell pattern

• It has no effect on the circulation system

Tags

DOK Level 2: Skill/Concept

In the absence of oceans, what would be the primary driver of air movement in the Earth's atmosphere?

• Temperature differences between the equator and the poles

• Wind patterns

• Earth's magnetic field

• Solar radiation

Tags

DOK Level 2: Skill/Concept

How does the unequal distribution of land and ocean affect the global circulation system?

• It creates a uniform circulation pattern

• It has no effect on the circulation system

• It complicates the circulation system

• It simplifies the circulation system

Tags

DOK Level 2: Skill/Concept

Which of the following statements best describes the movement of air in the Hadley cells?

• Air rises at the poles and sinks at the equator

• Air rises at the equator and sinks at the poles

• Air rises at the equator and sinks at around 30 degrees latitude

• Air rises at around 30 degrees latitude and sinks at the equator

Tags

DOK Level 2: Skill/Concept