L4: Can we make it rain?

Which of the following statements is TRUE about aquifers?

• They will always have water and will never run dry.

• They are filled up by rain.

• They contain saltwater from the ocean.

What term describes what happens when water turns from liquid to a gas?

• Condensation

• Accumulation

• Evaporation

Clouds are made of

• tiny droplets of liquid water

• water vapor

• gas particles

Which ocean will evaporate more quickly?

• A cool ocean

• A warm ocean

• A freezing ocean

Which of these scenarios will create water droplets (rain) more quickly?

• A cold ocean with a warm sky.

• A warm ocean with a warm sky.

• A warm ocean with a cold sky.

• A cold ocean with a cold sky.

What causes water vapor to turn back into liquid water?

• Mixing with cooler air.

• Mixing with warmer air.

• Mixing with air that is close in temperature to the water.

The opposite of evaporation is

• Formulation

• Accumulation

• Condensation

Why might places like California not have rain for a while?

• The oceans are too warm.

• The oceans are too cold.

• It is too windy for water vapor to form clouds.