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Earth's Spheres

TermDefinition
geosphere The solid parts of Earth, like rocks, soil, and land. Example: mountains, sand, volcanoes.
atmosphere The layer of gases that surrounds Earth. Example: oxygen we breathe, carbon dioxide, clouds, weather.
hydrosphere All water on Earth in liquid, solid, and gas forms. Example: oceans, rivers, glaciers, groundwater, water vapor.
biosphere All living things on Earth (plants, animals, humans, microbes). Example: forests, coral reefs, polar bears.
sphere interaction When two or more Earth systems affect each other.
Hydrosphere ↔ Atmosphere Water evaporates into the air, forming clouds and rain.
Hydrosphere ↔ Geosphere Rivers carve valleys into rock, or waves erode beaches.
Hydrosphere ↔ Biosphere Animals need water to survive; polar bears rely on sea ice.
Atmosphere ↔ Biosphere Plants take in carbon dioxide and release oxygen.
Geosphere ↔ Biosphere Soil provides nutrients for plants to grow.
Freshwater Water without salt, found in lakes, rivers, glaciers, and groundwater.
Saltwater Water in oceans and seas that contains salt (not drinkable).
Potable Water Water that is clean and safe to drink.
Climate Change Long-term changes in temperature and weather patterns caused by natural processes and human activities.
Model A simplified representation of something too big, small, or complex to study directly.
Created by: rdmonaghan
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