Where Is Air?

What is the atmosphere made up of?

• Different gases and dust

• Only oxygen

• Only carbon dioxide

• Only nitrogen

Which layer of the atmosphere is closest to Earth?

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

Where do the northern lights occur?

• Thermosphere

• Troposphere

• Stratosphere

• Mesosphere

What is the main characteristic of the stratosphere?

• Very strong winds called the jet stream

• Clouds and rain

• Northern lights

• Dust from volcanoes

What is weather?

• What the air is like at a given time and place

• The top layer of the atmosphere

• A type of gas in the atmosphere

• A type of dust in the atmosphere

What happens in the troposphere?

• Clouds, rain, snow, and thunderstorms occur

• Northern lights occur

• Jet streams are located

• Dust from volcanoes is found

What is the thermosphere known for?

• Light displays called the northern lights

• Being the closest layer to Earth

• Having very strong winds

• Containing dust from fires

The air that surrounds Earth is called ​ (a)  

• the atmosphere
• the ocean
• outer space
• the stratosphere

The layer closest to the surface of Earth is called ​ (a)  

• the troposphere
• the stratosphere
• the mesosphere
• the thermosphere

​ (a)   is what the air is like at a given time and place.

• Weather
• Climate
• Atmosphere
• Temperature