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An ordinary camera has a lens that makes an image on film. In a pinhole camera, a small hole replaces the lens.

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

In this activity, learners will decide together on a question about how far, long or high the group could reach together.

This activity (on page 2 of the PDF under SciGirls Activity: Soccer Ball Kick) is a full inquiry investigation into transfer of motion.

In this outdoor activity, learners measure familiar objects in nature to practice working with the metric system.