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In this activity, learners explore how polarizing sunglasses can help diminish road glare.

In this activity, learners interact with whale artifacts such as replicas of skulls, bones, teeth, and baleen (hair-like plates that form a feeding filter).

In this activity, learners build their own rockets from paper, coffee stirrers, and tape. Learners discover that when anything flies, air pressure is always involved.

In this activity, learners will explore how metals react with each other. They will see these metals change before their eyes as they coat a paperclip with the copper taken from a penny.

This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

In this water activity, learners explore how water drops behave on different surfaces.

In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

This activity was designed for blind learners, but all types of learners can utilize it to investigate volume, mass, and density.

This is an activity about inertia, Newton's First Law of Motion. Learners will discover how an egg at rest, or any object at rest, stays that way.

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.

Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.

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

In this activity, you'll use a straw, a water bottle and a paper tube to make an instrument that's very much like a saxophone.

This is an activity about friction as well as kinetic and potential energy.

An ordinary camera has a lens that makes an image on film. In a pinhole camera, a small hole replaces the lens.

Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.

Make impact craters with marbles (or rocks or washers) in a container of flour. Find out what you can learn about your "comets" by the craters they make.

In this activity, learners will explore light with reflective surfaces. Learners will make predictions and share their observations as they experiment with directing a beam of light.