Mount St Helens
Sphere Interactions
What Sphere Is It?
The Greek Word
100

These started to increase as the volcano became closer to erupting

Earthquakes
100

Wind carrying seeds to new places for plants to grow is an example of these two spheres interacting

Atmosphere and Biosphere

100

Rivers, lakes, and oceans are part of this sphere

Hydrosphere

100

This is the Greek word for life

Bio-

200

The date Mount St. Helen erupted

May 18, 1980

200

Remains of dead plants and animals get buried under soil to form coal and oil over long periods of time

Biosphere and Geosphere

200

Plants and animals are a part of this sphere

Biosphere

200

This is the Greek word for ground

Geo-

300

This number of people died as a result of the eruption of Mount St. Helen

57 people

300

Humans breathe in oxygen is an example of these two sphere interacting

Biosphere and Atmosphere

300

Soil, rocks, and minerals make up this sphere

Geosphere

300

This is the Greek word for water

Hydro-

400

This caused the bulge on the north side of the volcano

Magma

400

Rivers eroding away at rocks over time

Hydrosphere and Geosphere

400

Gases that surround our planet make up this sphere

Atmosphere

400

This is the Greek word for air

Atmo-

500

The yellow rocks found near the volcano after the eruption were caused by this

Hot Water

500

Air temperature impacts the evaporation of lakes and streams

Atmosphere and Hydrosphere

500

Glaciers are considered part of what sphere

Cryosphere

500

This is the Greek word for icy, cold

Cryo-