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In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

Learners mix liquid water with solid cornstarch. They investigate the slime produced, which has properties of both a solid and a liquid.

In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.

In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.

In this optics activity, learners discover that not all shadows are black. Learners explore human color perception by using colored lights to make additive color mixtures.

This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

In this activity, learners explore sound by constructing their very own bagpipe instrument.

In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.

In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target.

In this physics activity, learners experiment with the attractive and repulsive power of magnets.

In this activity, learners build magnetic towers to explore the forces and properties of magnets.

In this activity, learners will build a stomp-powered launcher to blast off paper rockets they design. Materials can be found at a local hardware store or you may already have them at home.

In this earth science activity, learners conduct a series of short experiments to explore how rocks change.

In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

In this activity, learners build styrofoam boats powered by twisted rubber bands.

In this optics activity, learners build a spy tool to secretly view things over walls or around corners.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.