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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.

In this activity, learners use an astrolabe to measure the altitude of objects. Learners will first practice taking measurements by measuring the altitude of trees and buildings.

In this activity, learners explore the relative size of the Sun and Earth as well as the distance between them.

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.