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This outdoor activity (on page 2 of the PDF under SciGirls Activity: Sand Dunes) is a full inquiry investigation into how the amount of moisture in a sand dune relates to the number of plants growing

In this geometry activity, learners explore networks painted on playgrounds, such as a four square court, and draw their own.

In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.

This is a tape and glue activity in which learners make binoculars that they can decorate and then use to go bird watching.

In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground.

In this activity, learners explore conservation of energy by experimenting with a solar cell light device.

Have you ever heard of a camera without a lens? In this activity, learners create a pinhole camera out of simple materials. They'll see the world in a whole new way: upside down and backwards!

Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.

Learners build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.

In this activity, learners construct hand-held altitude trackers. The device is a sighting tube with a marked water level that permits measurement of the inclination of the tube.

In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.

In this math lesson, learners participate in several activities where they apply measurement skills.

In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials.