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

In this math lesson, learners investigate fractions by playing a game.

In this engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and triangles.

In this activity, learners explore how engineers incorporate biometric technologies into products as well as the challenges of engineers who must weigh privacy, security and other issues when designin

In this group activity, learners make multi-sided polygons with string.

In this math activity, learners make and explore patterns using the letters in their names, a grid, and some colors.

En esta actividad, los aprendices exploran la simetría haciendo papel picado, una decoración común en México para las celebraciones.

This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.

This is an online activity about acceleration. Learners will choose a speed and an angle in order to help a water-skier named Fonzie use a ramp to clear a shark.

In this activity, learners explore the strength of different shapes. Fold paper into triangles, squares, and other shapes, then experiment with how much weight they can hold.

In this math activity, learners play a game that helps reinforce learners' understanding of the coordinate system.

In this math activity, learners make toothpick designs by following simple patterns.

In this math activity related to volume, learners use problem solving skills to calculate and build a model house for Minus the dog.