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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get...

In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build. Learners think about a familiar shape in new ways, brainstorm shelter...

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents. The activity guide contains information for Educators...

In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is...

In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear. This lesson plan includes information...

Students design and create their own air-powered rockets, in this hands-on activity. Learners will develop a better understanding of physics related concepts, specifically those related to momentum...

In this activity, learners design wind-powered cars out of simple household materials. Students have fun designing and then racing their vehicles around the room. Challenges for this project...

In this hands-on experiment, kids use chemistry to explore whether acids or bases are better at restoring a penny’s shine. Kids follow the scientific process to test a common household cleaning...