Atmospheric Gases

Which gas makes up the greatest percentage of Earth's atmosphere?

• Argon

• Nitrogen

• Nitrous oxide

• Carbon dioxide

This circle graph shows the percentage of different gases in Earth's atmosphere. Which gas is represented by Gas #1?

• Carbon dioxide

• Hydrogen

• Nitrogen

• Oxygen

Earth's atmosphere is mainly composed of which gases?

• hydrogen, helium, oxygen, and argon

• nitrogen, oxygen, argon, and carbon dioxide

• nitrogen, hydrogen, argon, and carbon dioxide

• helium, hydrogen, oxygen, and carbon dioxide

Which gas makes up the majority of the Earth's atmosphere?

• Argon

• Oxygen

• Nitrogen

• Carbon dioxide

A scientist compared the atmospheric composition of a newly discovered planet to the atmosphere of Earth. Which conclusion about the unknown planet can be made by using the information provided?

• It is not suitable for animals.

• It will sustain a small human population.

• It has enough oxygen for small mammals.

• It has many carbon dioxide releasing organisms.

The pie chart shows the mixture of gases that compose the atmosphere. Which gas composes 21% of the atmosphere?

• Argon

• Oxygen

• Nitrogen

• Carbon dioxide

The majority of the troposphere (the layer of the atmosphere that is closest to Earth) consists of which two gases?

• Argon and hydrogen

• Nitrogen and oxygen

• Ozone and sulfur dioxide

• Helium and carbon dioxide

When a plane flies, it travels through air that contains gases, liquids, and solids. This area is BEST described as the

• atmosphere.

• lithosphere.

• bioshphere.

• hydrosphere.

Tags

NGSS.MS-ESS2-5

Which of these gases, on average, has the lowest volume in the atmosphere of Earth?

• Oxygen

• Nitrogen

• Water vapor

• Carbon dioxide

The table shows the volume percentages of four samples of atmospheric gas. Which sample BEST represents the composition of Earth's atmosphere?

• 1

• 2

• 3

• 4