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In this design challenge, learners will use microbes to design and grow a custom biomaterial at home and make something creative with it.

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 explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

In this four-day lesson, learners identify three-dimensional forms in castle design, research different parts of the castle with a focus on their uses, and design and enlarge a banner for the great ha

In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms.

In this outdoor/indoor activity, learners collect ants and dirt to create an ant farm in a cup that they can observe over time.

In this construction activity, students use a 2-liter bottle to build a fly trap.

In this activity, learners grow germs collected from their hands and other objects. They cultivate the germs on a growth medium (such as slices of grapefruit or processed cheese) for a week.

In this activity, learners will explore vegetative propagation while preparing food scraps to grow into plants.

In this multi-station lab, learners conduct a series of experiments to explore the processes and effects of weathering and erosion.

In this four-day activity, learners grow bacteria and/or fungi from a variety of locations and compare the results.

This activity features two connected hands-on activities about dinosaur bones.