Describing Earth's Atmosphere

Front

What layer of the atmosphere blocks much of the sun's harmful UV rays?

Back

Ozone

Front

What gas makes up 78% of Earth's atmosphere?

Back

Nitrogen

Front

Why do hikers carry oxygen when climbing high mountains?

Back

Air pressure decreases as altitude increases.

Front

What is the most abundant gas in the atmosphere?

Back

Nitrogen

Front

What plays a key role in Earth's weather and is abundant in the troposphere?

Back

Water Vapor

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-5

Front

What is the layer of the atmosphere where weather occurs?

Back

Troposphere

Tags

NGSS.MS-ESS2-5

Front

What is the second layer of the atmosphere above the troposphere?

Back

Stratosphere

Front

What gas is essential for human respiration?

Back

Oxygen

Front

What is the term for the mixture of gases that surrounds Earth?

Back

Atmosphere

Tags

NGSS.MS-ESS2-6

Front

What is the effect of altitude on air pressure?

Back

Air pressure decreases as altitude increases.