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In this activity, learners discover that some things only stand up while they are spinning.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this activity, learners create a traditional Mexican noisemaker (a matraca) using cardboard, craft sticks, and a wooden dowel.

In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.

In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.

In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

This activity is about the mural making process done about 9,000 years ago in Catalhoyuk, Turkey.

In this physics activity, learners build a toy with a figure that spins around like a gymnast on the high bar.

In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.

In this activity, learners create 3D geometric shapes using straws and pipe cleaners.

In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

In this activity, learners explore dinosaurs and fossils by creating a diorama.

Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.

In this activity (page 4 of the pdf), learners build a model of a tide pool, using chicken wire, paper mache, and other craft materials.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

In this activity (page 5 of pdf), learners explore the relationships between the shape and structure of a shark's teeth and the food it eats, and then create their own shark tooth from clay.

Learners will follow a specific process to make their own paper using scrap paper, newspaper, or junk mail.

In this activity, learners repeat patterns in two and three dimensions to create tessellations.

In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.