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Effects of Solar Radiation on Land and Sea
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In this activity, learners explore the different heating properties of soil and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-557.gif?itok=gQRC6_sv)
TerrAqua Investigation Column: What is the Land-Water Connection?
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In this investigation, learners plant seeds in a 2-liter bottle filled with soil that is connected to a water source below. Over the next few weeks, learners observe how the plants grow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-592.png?itok=t48lDyhK)
Ice on Mars
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In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-821.jpg?itok=YJsyiVY2)
Soda Pop Cave
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In this geology activity (page 6 of the PDF), learners explore how carbonic acid can slowly dissolve limestone and form caves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-349.png?itok=7krA5cTj)
Turbidity
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This is an activity about turbidity, or the amount of sediment suspended in water.