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In this activity, learners design a therapeutic agent to image and/or cure various diseases in the respiratory system.

In this activity, learners construct a simple air pressure launcher for paper rockets.

In this activity, learners explore patterns and sequences as they observe fictional plant growth.

This is a guide for facilitating interaction at a touch tank with marine animals. The instructions are for setting up a display in an informal science center, but could work anywhere.

In this game, students will become familiar with fish shapes, learn that fish within a given taxonomic family have similar body shapes, and discuss how different body shapes enable fish to survive in

Learners will build and experiment with their own windmills made from simple household materials.

In this activity, learners are invited to imagine the park of their dreams!

In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun.

In this activity, young learners use different-sized paper 'caterpillars' and various household items to predict and measure their height.

In this activity about endoskeletons (page 8 of PDF), learners observe, compare and contrast different kinds of chicken bones, and relate their chicken bone observations to human bones.

This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d

In this math lesson, learners explore tessellations through literature, music, writing, and art activities.

This fun and simple hands-on astronomy activity illustrates the path of light as it reflects off of mirrors and how this is used in telescopes.

Learners create an Incan counting device called a quipu (pronounced kee-poo).

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

In two separate bags, learners mix water with Epsom salts and detergent.

In this math lesson, learners explore and investigate measurement using standard and non-standard units.

In this activity, learners track their movements with jumping and leaping graphs.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.