Environmental Science: Age 15
5 illustrated Environmental Science lessons for Age 15.
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Volcanoes Ice and Early Oceans Long ago, volcanoes released hot gases and water vapor into the air. Icy comets and asteroids struck the young… -
Emissions and Warming Factories, vehicles, and farms release gases that build up in the atmosphere. This thicker layer traps more he… -
What a Field Takes In and Sends Out A cultivated field constantly receives water and nutrients and turns them into plant material. What leaves the… -
Rain on a Split Hillside Rain hits both halves of the same slope with the same force. On the bare side the water carves channels and ca… -
From Spring to Estuary A river catchment is all the land whose rainfall drains into one river system, bounded by high ridges called t…