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This lesson (on pages 15-24 of PDF) explores how sound is caused by vibrating objects. It explains that we hear by feeling vibrations passing through the air.

This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

In this Bob the Builder(TM)-themed activity, learners explore what it means to work together as a team.

In this Bob the Builder(TM)-themed activity, learners explore the 3Rs (Reduce, Reuse, Recycle) by rotating through several activity stations.

Learners write or draw with white crayon on white paper. They look and feel to detect their marks on the paper. Then, learners paint over their paper with watercolor paint.

In this fun hands-on activity, learners whip up a batch of cyber-dough (play dough) using math for measurements.

In this "Sid the Science Kid" activity from Episode 108: My Ice Pops, learners observe reversible change while thinking about ways to make ice melt.

Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.

In this experiment, learners separate different types of molecules in marker inks (using a technique called "thin layer chromatography").

In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.

Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).

In this math activity, learners use a variety of sensory modalities to gain experiences with identifying, describing and creating repeating patterns.

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