Convection Currents Assess It

What is the driving force of ocean currents and atmosphere movement?

• A. The gravity of the Sun

• B. Rotations of Earth

• C. The Moon's gravity

• D. Unequal heating of Earth by the Sun

Which is true about atmospheric convection currents?

• A. Heat is released from the oceans and land causing wind

• B. Wind is only caused by the rotation of the Earth.

• C. Wind is caused by the polar ice caps

• D. Wind is caused by the gravity of planets in our solar system

If the Sun were twice the size, how would this impact Earth's convection currents?

• A. There would be no impact

• B. The ocean currents and wind currents would be less than they are now

• C. The ocean currents and wind currents would be greater than they are now

• D. Ocean and wind currents are not impacted by the Sun

How does heat flow in air and ocean currents?

• A. Colder water and air move towards warmer water and air

• B. Warmer water and air move towards colder water and air

• C. Air and water flow in the direction of the Earth's rotation

• D. Air and water always flow north