science unit 5: air, weather, and climate

Front

What is the lowest layer of the atmosphere where all weather occurs?

Back

Troposphere

Front

What happens to temperature in the stratosphere?

Back

It increases with altitude.

Front

Which layer of the atmosphere contains the auroras?

Back

Thermosphere

Front

What destroys ozone in the atmosphere?

Back

CFCs

Front

In which layer of the atmosphere do meteorites burn up?

Back

Mesosphere

Front

What is the primary composition of the Earth's atmosphere?

Back

Gases, water vapor, and small particles

Front

What is the primary role of ozone in the stratosphere?

Back

To screen out harmful UV rays

Front

What type of heat transfer occurs when warm air rises and cold air sinks?

Back

Convection

Front

What kind of heat transfer can travel through a vacuum?

Back

Radiation

Front

Why does cold air sink while warm air rises?

Back

Warm air is less dense