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In this activity, learners investigate the behavior of magnets. Learners create a "wonder wand" with a magnet so they can move a skater around.

In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.

"Nature of Dye" allows participants to create their own dyes and art while exploring how chemicals interact and how these interactions can have real-world applications.

In this activity (page 3 of the PDF), learners will observe a physical change.

In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.

Learners observe different light sources, outdoors and indoors, using prism glasses (diffraction glasses) and color filters.

In this activity/demo, learners are introduced to the connection between medieval stained glass artisans and nanotechnology.

Everybody loves boomerangs! In this activity about force and motion, the learners will experiment with boomerangs and explore how they work. This is a great activity to get learners up and moving.

Use grape juice, baking soda, water and vinegar to make acid and base indicator paper! This activity contains a recipe and instructions for the indicator paper.

In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords.

In this activity related to nanotechnology, learners observe some of the effects that result from creating a thin layer of material several nanometers thick.

In "Chemistry is Colorful" learners explore different materials through paper chromatography.

The Sacred Cenote at Chichén Itzá is a sink hole, or well, containing groundwater. In this activity, learners create their own cenote using chalk, limestone, acids, and rain water.

In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.

In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.

In this "Sid the Science Kid" activity from Episode 109: The Perfect Pancake, learners make applesauce to explore irreversible change.

In this activity, learners separate the protein from milk and and use it to make their own glue.

Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.