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In this activity, learners investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.

In this biology/ecology activity, learners construct a terrarium out of a tennis ball container. This terrarium is unique because it never has to be watered.

In this activity (located at the bottom of the page), learners investigate soil and explore the creatures that live in it.

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

In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.

Learners make their own acid-base indicator from red cabbage. They use this indicator to test substances around the house.

In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.