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In this activity, learners build a scale model of the solar system using a roll of toilet paper.

In this activity on page 15 of the PDF, discover how materials and physical forces behave differently at the nanoscale.

In this astronomy activity, learners create a model of the solar system using beads and string.

Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.

In this quick activity (page 1 of PDF under SciGirls Activity: Exercise and Memory), learners will investigate what happens to bubble gum when it is chewed for 5-10 minutes.

Learners observe and discuss a vacuum cleaner as a model of a baghouse, a device used in cleaning industrial air pollution.

Build and test a scale model of a rainforest canopy walkway.

In this activity (page 1 of the PDF under SciGirls Activity: Horse Ears), learners observe how an animal responds to its own reflection.

In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?