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In this self-measuring activity, learners measure and record the length of their foot.

In this activity (located on page 4 of PDF), learners gain insight into the actual size of dinosaurs and practice making estimations and measurements.

Using a real-size sketch of a baby elephant's footprint, learners estimate, measure and record the width (diameter) and outside edge length (perimeter or circumference) of the footprint.

In this self-measuring activity, learners observe and record how many times a minute they blink, take a breath, and chew, as well as how many times a minute their heart beats.

In this outdoor activity, learners discover how the environment around a building affects the growth of plants.

In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.