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The Shadow Knows II
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In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.
Colors of Stars
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In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.
Applying Math to Astronomy
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In this mathematics activity (page 4 of the PDF), learners will explore the relationship between the diameter and circumference of an object.