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Make a self-supporting bridge designed by Leonardo da Vinci. Be amazed by the ingenious simplicity of his creation! Use Leonardo's idea to inspire a student design challenge.

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This simple yet effective activity provides a practical method for teaching students how to find and label the magnetic poles on a magnet, identify magnetic materials, understand the difference between geographic and magnetic poles.

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This simple yet effective activity provides a practical method for teaching students how to find and label the magnetic poles on a magnet, identify magnetic materials, understand the difference between geographic and magnetic poles.

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Build a simple structure on the shake table, start the motor, and watch the action! Will your building design survive the "earthquake"?

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A variety of scientific and gravity "defying" demonstrations can be done by combining pill and ring magnets in unique ways to create a multipurpose demo unit.

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Hypothesize, experiment, collect data and analyze forces and motion with a straw “rocket” and an easily made launcher. The stronger the force, the farther and higher the rocket flies!

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Hypothesize, experiment, collect data and analyze forces and motion with a straw “rocket” and an easily made launcher. The stronger the force, the farther and higher the rocket flies!

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Be amazed at this clever way to demonstrate the transfer between potential energy and kinetic energy.

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Be amazed at this clever way to demonstrate the transfer between potential energy and kinetic energy.

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What does math have to do with thrilling roller coaster rides? How high does a coaster need to be to successfully navigate through a loop and on to the end of the track? Explore these questions and more with roller coaster math!

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Enjoy the hands-on experience of building and using the Roller Racer. Explore the application of simple machines and energy conversion and investigate how changes in stored energy can affect performance.

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Enjoy the hands-on experience of building and using the Roller Racer. Explore the application of simple machines and energy conversion and investigate how changes in stored energy can affect performance.

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Use colored string and simple cardboard shapes to create artistic designs based on intriguing mathematical patterns. Every pattern has infinite possibilities! String art is fun for all ages - to fix a mistake or try a new approach, just unwind the string!

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Use colored string and simple cardboard shapes to create artistic designs based on intriguing mathematical patterns. Every pattern has infinite possibilities! String art is fun for all ages - to fix a mistake or try a new approach, just unwind the string!

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Two activities in one! Skewer a coil of magnet wire to create a simple spinning motor and create opposing magnetic fields using a coil of magnet wire and a ring magnet. The motorconverts electrical energy into kinetic energy - the energy of motion.

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Create and decorate a "critter" whose moves are powered by sunlight. To vary the critter's movements explore making changes to the swinging "proboscis."

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Students learn how to measure biodiversity in terms of species richness (the number of species living in a particular area) by sampling "species" in a simulated ecosystem and graphing and analyzing data.

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These tiny beads can soak up and hold over 100 times their weight in water! Each bead maintains its spherical shape and color. Observe how the beads absorb water over time. Create a fun illusion using the optical properties of the beads.

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These tiny beads can soak up and hold over 100 times their weight in water! Each bead maintains its spherical shape and color. Observe how the beads absorb water over time. Create a fun illusion using the optical properties of the beads.

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Use this enhanced pinwheel to measure the mechanical energy that can be obtained from moving air.