Lesson 6-1: Introduction to Atmosphere

What is the atmosphere primarily made of?

• A single gas

• A mixture of gases

• Only water vapor

• Only carbon dioxide

What allows sound waves to travel?

• Solids

• Liquids

• Gases of the atmosphere

• Metals

What do sound waves allow us to do?

• See

• Taste

• Hear

• Smell

What is the role of gases in the atmosphere?

• To block sound

• To allow sound waves to travel

• To create light

• To stop rain

What is the main topic of the text?

• Ocean currents

• Atmosphere

• Plant growth

• Animal habitats

What is included in the composition of the atmosphere according to the text?

• Dust particles

• Water vapor

• Oxygen

• Carbon dioxide

What happens to air density and pressure when gas molecules are warm?

• Air density and pressure are higher.

• Air density is higher, but pressure is lower.

• Air density and pressure are lower.

• Air density is lower, but pressure is higher.

What is the effect of altitude on air temperature in the troposphere?

• Temperature increases

• Temperature decreases

• Temperature remains constant

• Temperature fluctuates

Almost 99% of Earth's atmosphere is made up of two gases. What are the two gases and the percents of each?

• 21% oxygen and 78% nitrogen

• 21% water vapor and 78% oxygen

• 21% nitrogen and 78% oxygen

• 21% carbon dioxide and 78% oxygen

Tags

NGSS.MS-PS1-1

The most abundant gas in the atmosphere is __________. Then __________ and __________. Trace gases, including carbon __________ are last.

Tags

NGSS.MS-PS1-1