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In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.

In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.

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

Many people get water from a source deep underground, called groundwater.

In this activity, learners make scale models of the Sun and Earth out of paper mache.