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100

This celestial body is the main energy source that drives the water cycle.

What is the Sun?

100

This flow of water in Earth's oceans is caused by the unequal heating of Earth by the Sun.

What is ocean currents?

100

This type of heat transfer causes warm fluids to rise and cold fluids to sink. 

What is convection?

100

This effect causes winds and currents to curve instead of traveling in straight lines. 

What is the Coriolis Effect?

200

Rain, sleet, snow, and hail are all variations of this stage in the water cycle. 

What is precipitation?

200

Earth's atmosphere and oceans near this imaginary line receive more heat from the Sun on average. 

What is the equator?

200

In the process of convection, this temperature of air rises because it is less dense than the air around it.

What is warm air?

200

The Coriolis Effect occurs because Earth is doing this.

What is rotating around an axis?

300

Gravity powers these two processes in the water cycle. 

What are precipitation and runoff?

300

These two factors create density differences in Earth's oceans. 

What are temperature and salinity?

300

A lava lamp can be used to demonstrate this process that occurs in both Earth's atmosphere and oceans.

What is convection?

300

The Coriolis Effect causes Earth's winds to move in these two directions. 

What are East and West?/Clockwise and Counterclockwise?

400

A puddle shrinking on a sunny day is an example of this water cycle process. 

What is evaporation?

400

Ocean currents at the surface are mainly caused by this blustery force.

What is wind?

400

In the process of convection, this temperature of air sinks because it is denser than the surrounding air.

What is cold air?

400

The Coriolis Effect has this opposite effect on rotating storms in the Northern and Southern Hemispheres. 

What is they rotate in opposite directions?

500

Clouds form during this stage of the water cycle. 

What is condensation?

500

The Coriolis Effect causes these large circular currents to form in Earth's oceans. 

What are Gyres?

500

The uneven heating of Earth by this creates convection currents in both the oceans and the atmosphere. 

What is the Sun?
500

Without the Coriolis Effect, all wind would move in these two directions. 

What are North and South?

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