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Oil Spot Photometer
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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.
Finding the Size of the Sun and Moon
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In this activity, learners build a simple pinhole viewer. They use this apparatus to project images from a variety of light sources, including a candle, the Sun, and the Moon.
Measure the Sun's Size
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In this activity, learners make their own pinhole viewer in order to measure the size of the sun.
Double Dutch Distractions
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This activity (page 2 of the PDF under SciGirls Activity: Double Dutch) is a full inquiry investigation into whether hearing or seeing has a bigger effect on jump rope performance.