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In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.

Make your own speaker with a magnet, wire, and paper cup! If you have a radio with a headphone plug and an old pair of headphones, this is a great tinkering activity.

In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

This game uses a modified Uno deck to review concepts related to stem cell research and diabetes.

From this How To slide show, you create an Audio Tape Bow that can play distorted audio sounds by running it across a tape head.

In this activity, learners discover why only some types of plastic can be recycled.

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

Learners press their fingertip onto a clean Plexiglas sheet. The fingerprints are then revealed as learners dust over the print with fingerprint powder.