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In this activity, learners explore how distance can affect the way we perceive the size of an object.

In this activity, learners will compare predicted and observed tides using data from The National Oceanic and Atmospheric Administration(NOAA).

In this activity, learners use their hands as tools for indirect measurement.

In this activity, learners will train to increase bone strength and to improve heart and other muscle endurance by performing jump training with a rope, both while stationary and moving.

In this activity, learners will use Google Sky to observe features of the night sky and share their observations.