Interacting Spheres
Layers of the atmosphere
Vocabulary
100
A cliff overhanging the ocean is eroding. 

What are the hydrosphere and geosphere?

100

This is the lowest layer of the atmosphere where we live and weather forms. 

What is the troposphere?

100

This sphere includes all life on our planet. 

What is the biosphere? 

200

A tree takes in carbon dioxide to build its body. 

What is the biosphere and atmosphere?

200

This is the 2nd layer of the atmosphere where many larger planes fly. 

What is the stratosphere? 

200

This sphere contains all the frozen, liquid and gas forms of water on the planet. 

What is the hydrosphere? 

300

Fish begin to die because the lake becomes polluted. 

What is the hydrosphere and biosphere?
300

This is the 3rd layer of the atmosphere where most smaller meteorites burn up before hitting the ground.

What is the mesosphere?

300

This "sphere" is the most responsible for protecting LIFE on Earth against radiation by absorbing it. 

What is the atmosphere? 

400

A glacier carves out a valley. 

What is the hydrosphere and geosphere?

400

This is the 4th layer of the atmosphere. It has some satellites and is known for extremely hot pockets of air. 

What is the thermosphere? 

400

BONUS: This is how scientists test what happens when conditions are changed (one word). 

What is an experiment? 

500

A volcano is erupting.

What are the geosphere and atmosphere?

500

This is the layer furthest from Earth. There are many satellites here and it is the border of outer space. 

What is the exosphere? 

500

This "sphere" is not one of the major four, but actually the "frozen" part of the hydrosphere. 

What is the cryosphere?