Atmospheric Gases

In the modern day atmosphere, what is the approximate percentage of nitrogen?

• 0.04%

• 21%

• 78%

• 1%

What biochemical process absorbs carbon dioxide from the atmosphere and replaces it with oxygen?

• Respiration

• Digestion

• Photosynthesis

• Precipitation

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the laboratory test for hydrogen gas?

• Puts out a glowing splint

• Makes a squeaky pop sound with a lit splint

• Relights a glowing splint

• Burns with blue color

Which gas makes up about 1% of the air?

• oxygen

• carbon dioxide

• argon

• hydrogen

A mixture of gases that surrounds the Earth like a blanket.

• Atmosphere

• Troposphere

• Ozone

• Nitrogen

Tags

NGSS.MS-ESS2-6

The gas found in atmosphere about 21% is ...............

• Nitrogen

• Oxygen

• Argon

• Flatulence

Which of the following is a property of air?

• Mixture of gases

• Made up of atoms and molecules

• Has mass and density

• All of the them

Earth’s atmosphere is mainly made up of:

• oxygen and carbon dioxide.
• carbon dioxide and nitrogen.
• nitrogen and oxygen.
• nitrogen and helium.

In the model, what color is Oxygen?

• Blue

• Gray

• Red

• Purple

This pie chart illustrates different gases in Earth's atmosphere. Which gas does wedge X represent?

• Oxygen

• Carbon dioxide

• Nitrogen

• Water vapor