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In this activity, learners will make a marionette puppet and put on a show. Learners will explore color, design, fabrication and storytelling through this activity.

In this activity, learners will create their own percussion instrument with recycled materials. Learners will explore design, fabrication, cause and effect and sound through this activity.

In this engineering activity, learners explore simple machines and then build cardboard automata using cams.

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

This activity (on page 2 of the PDF under SciGirls Activity: Kites) is a full inquiry investigation into how a kite’s shape affects its performance.

In this activity, learners will create an optical illusion top. Learners will explore color mixing, physics and design through this activity.

In this activity, learners will create their own bubble solution. Learners will explore chemistry, geometry and trial and error through this activity.

Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.

In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers.

In this activity, learners build unique yo-yos, which spin round and round without moving up and down.

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

In this activity, learners construct a device that allows them to view 2-D images in 3-D.

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

In this three/four-day lesson, learners calculate perimeters and areas and draw the castle plan to scale.