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Waves and Tides
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In this 7-10 day investigation, learners develop an understanding of waves and tides and their motion through discussion, demonstration, and hands-on activities.
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Instant Ice
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In this activity, learners observe a quick phase change as water rapidly goes from a liquid state to a solid state.
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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.
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Kimchee Fermentation Chamber
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Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.
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Small Habitats
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In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).
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Protein Factory
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In this activity, learners take on the role of various parts of the cell in order to model the process of protein synthesis.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-174.jpg?itok=ZZ6_KJX-)
Outbreak!: Investigating Epidemics
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A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution.