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Millions of organisms can live in and around a body of water.

In this activity, learners explore how anemometers work to record wind speeds and how the equipment has undergone engineering adaptations over time.

In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

Learners investigate why the Sun and Moon appear the same size in the sky even though the Sun is over 400 times larger in diameter.

How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?