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Learners build a wind turbine and test it to see how much energy is created.

See what force a magnet has on a wire that has current running through it: will it push it, pull it, or will nothing happen? This is the foundation of a simple electric motor.

In this activity, learners investigate the movement of water into and out of a polymer. Learners test the diffusion of water through gummy bears, which are made of sugar and gelatin (a polymer).

In this two-part outdoor activity, learners conduct a population census of squirting clams on a beach or mudflat, and investigate the clams' natural history.

In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.

This activity shows learners how computers use numbers to represent pictures. A grid is used to represent the pixels (short for picture elements) of a computer screen.

In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

This is a game that is sure to sharpen players' basic math skills. Players must use four randomly selected numbers to create an equation that equals a fifth number.

In this activity, learners model hot spot island formation, orientation and progression with condiments.

Balance a ball in the air with a hair dryer! This Exploratorium produced activity shows learners concepts like lift and air streams. You can try many different angles, speeds, and ball types.

Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.

In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.

In this activity about depth perception, learners create an optical illusion in a shoe box.

In this activity, learners thread gumdrops together to make a model of a polymer.

In this activity, learners discover a brain process called habituation.

In this activity, learners take apart a used zinc-carbon dry cell battery.

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

In this activity, learners explore the concept of friction and how ball bearings reduce friction.

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

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.