Chapter 6: What can we observe about weather?

The cooling of water vapor causes _________________.

• evaporation

• condensation

Which type of cloud is described as white and puffy, that looks like a cotton ball?

• Cirrus Clouds

• Stratus Clouds

• Cumulus Clouds

Which type cloud is being described:

Some days are gloomy outside, and the sky is covered with gray clouds. These clouds are low and flat and form a layer of gray across the sky.

• Cirrus Clouds

• Stratus Clouds

• Cumulus Clouds

Which type of cloud is being described:

These clouds look like thin, white streaks in the sky. They are the highest clouds. These clouds do not produce rain.

• Cirrus Clouds

• Stratus Clouds

• Cumulus Clouds

True OR False

Air masses are not all the same. They can be cold or warm.

• True

• False

The border where two air masses meet is called a _________.

• air mass

• front

• layer

True OR False

Strong thunderstorms can form at cold fronts.

• True

• False

True OR False

When a warm air mass runs into a colder air mass, the warm air stays on the bottom and the cold air rises.

• True

• False

Jet planes can create which type of cloud?

• Cumulus Clouds

• Stratus Clouds

• Cirrus Clouds

This tool is used to measure the humidity in the atmosphere.

• Thermometer

• Barometer

• Hygrometer

• Anemometer