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In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.

In this activity, learners stain fabrics--on purpose!

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

Use geometry, a ruler, and a steady hand to create these amazing unfurling paper folds!

In this activity, learners make scale models of the Sun and Earth out of paper mache.

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 (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16" bik

In this math lesson, learners explore tessellations through literature, music, writing, and art activities.

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

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

This activity (on pages 24-29) combines science and art to introduce learners to how different animal pollinators spread pollen from one plant to another, and how certain shapes, colors, and smells of

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

In this math lesson, learners explore and investigate measurement using standard and non-standard units.

In this math lesson, learners participate in a variety of activities that give them experience in recognizing, describing, and extending repeating and arithmetic patterns.

In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car.

In this activity, learners construct a projector out of cardboard to view their favorite images (such as storybook illustrations) on the wall.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

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.