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

This activity (on page 2 of the PDF under SciGirls Activity: Hovercraft) is a full inquiry investigation into hovercraft engineering and design optimization.

In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.