Science Academic Bowl #5

Front

What are the two main gases that make up almost 99% of Earth's atmosphere?

Back

21% oxygen and 78% nitrogen.

Front

In which layer of the atmosphere does weather occur?

Back

Troposphere.

Front

What gas is represented by section number two in the pie graph of Earth's atmosphere?

Back

Oxygen.

Front

Is oxygen the most common gas in the atmosphere?

Back

False.

Front

Where is 99% of the water vapor in the atmosphere found?

Back

Troposphere.

Front

What is the primary function of the troposphere?

Back

It is where weather occurs and contains most of the atmosphere's water vapor.

Front

What percentage of Earth's atmosphere is nitrogen?

Back

78%.

Front

What is the role of argon in the atmosphere?

Back

Argon is a noble gas that makes up about 0.93% of the atmosphere.

Front

What is the significance of the stratosphere?

Back

It contains the ozone layer, which protects Earth from harmful UV radiation.

Front

What is the composition of Earth's atmosphere?

Back

Approximately 78% nitrogen, 21% oxygen, and trace amounts of other gases.