Unit 4: Lesson 4 HMH Science

Front

What is Weather?

Back

The condition of Earth's atmosphere at a certain time and place.

Front

What type of pressure system causes air to rise and create clouds?

Back

Low Pressure

Front

What is an air mass?

Back

A large area of air that has the same temperature and humidity.

Front

True or False: Low-pressure systems bring stormy weather, and high-pressure systems bring dry, clear weather.

Back

True

Front

If city A is at the coast and city B is far inland, which statement is true if there is a cold surface current near city A?

Back

During the winter, city B has warmer weather than city A.

Front

What is High Pressure?

Back

A weather system where air is sinking, leading to clear skies.

Front

What is Low Pressure?

Back

A weather system where air is rising, often leading to clouds and precipitation.

Front

What does humidity refer to?

Back

The amount of water vapor in the air.

Front

What is the difference between weather and climate?

Back

Weather is the short-term atmospheric conditions, while climate is the long-term average of weather.

Front

What role do ocean currents play in weather?

Back

Ocean currents can affect the temperature and moisture of the air above them.