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In this activity, learners will construct a measuring device (snake "string") to improve their observation skills.

In this activity, learners will engineer their own weather vane. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked.

In this activity, learners will explore engineering to construct an insect collecting tool (insect aspirator). The pooter uses suction to safely collect smaller insects that nets miss or may injure.

Is a square stronger than a triangle? Use tongue depressors to build simple shapes. Then apply a little weight to them and see what happens!

This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

In this activity, young learners, (2 years and up) explore bird behavior and adaptations by providing a homemade bird feeder and observing birds.

In this activity, learners explore why they can see colors in bubbles and why they change.

In this activity, learners model atmospheric convection currents using food coloring, water, and clear cups. Activity includes step-by-step instructions, STEM connections, and more.

In this activity, learners make a camouflaged butterfly to hide outside for others to find.

This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.