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In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).

In this activity, learners make "totally tubular" forms of carbon. Learners use chicken wire to build macro models of carbon nanotubes.

In this activity, learners predict where a ball will go after it bounces off another object. Learners discover that the motion of objects is predictable based on laws of motion.

In this activity, learners work with an adult to build a rocket and launcher out of a plastic 2-liter bottle, flexible plastic hose, plastic tubing, toilet paper tube, and duct tape.

In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects.

In this electrochemistry activity, learners will explore two examples of electroplating.

In this activity, learners explore the relationship between electric charges and magnetic fields.

In this up-cycling activity, learners recycle plastic bags and repurpose them into useful wallets.

In this activity, challenge learners to float a paper clip in a cup of water. Learners discover that a paper clip will sink in a cup of water, except when it is placed on a piece of paper towel.

In this activity, learners determine the shape of an unseen object by bouncing a ball off the object.

In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.

In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.

In this quick activity, learners observe how wind creates ocean currents.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.

In this activity, learners conduct an experiment to find out if steel wool will weigh more or less when it is burned. Learners will explore the effects of oxidation and rusting on the steel wool.

In this activity, learners add food coloring to hot and cold water to see whether heating or cooling affects the speed of water molecules.

In this biology activity, learners use plastic pipettes to cut wells into the solid gel layer of agar in petri dishes and place solutions of simulated antigen and antibody preparations into the wells.

In this weather-related activity, learners make a portable cloud in a bottle.

In this activity, learners build a simple electrolysis device. Then learners use an indicating solution to visualize hydrogen and oxygen molecules in water.

In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.