Phases of the Water Cycle
Chemistry in the Cycle
Pollution & Distribution
Fun Facts
100

This phase occurs when water vapor cools and forms clouds.

What is condensation?

100

CO₂ dissolves in water to form this weak acid.

What is carbonic acid?

100

The smell after rain is called this.

What is petrichor?

100

About 90% of Earth’s evaporation comes from this source.

What are oceans?

200

The process where water changes from liquid to vapor.

What is evaporation?

200

SO₂ + H₂O forms this acid, a major component of acid rain.

What is sulfuric acid?

200

Acid rain lowers this property of water, harming aquatic life.

What is pH?

200

Raindrops are shaped more like this than teardrops.

What are hamburger buns?

300

Rain, snow, sleet, or hail are examples of this phase.

What is precipitation?

300

NO₂ dissolves in water to form this acid.

What is nitric acid?

300

Mercury pollution in this Japanese bay caused neurological disease.(Poisoning)

What is Minamata Bay?

300

This river releases so much water it dilutes the Atlantic Ocean’s saltiness.

What is the Amazon River?

400

Water gathers in rivers, lakes, and oceans during this phase.

What is collection?

400

Acid rain damages this type of stone used in buildings and statues

What is limestone/marble?

400

This city is known for smog that rain helps reduce but redistributes pollutants into rivers.

What is Beijing?

400

Clouds can weigh this much.

What is over a million pounds?

500

Plants release water vapor through this process.

What is transpiration?

500

Name one heavy metal pollutant that can accumulate in lakes.

What is mercury/lead/cadmium?

500

Rain can remove particles from the air in this process.

What is wet deposition?

500

This chemical smell after rain comes from soil bacteria.

What is geosmin?