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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

In this activity, learners conduct an experiment to explore how water flows up from a tree's roots to its leafy crown.

In this activity, learners explore how salt water freezes in comparison to fresh water.

In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

In this activity, learners use rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.

In this activity, learners discover if carbon dioxide has an effect on temperature.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.