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In this activity, learners explore the different heating properties of soil and water.

In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

This is an activity (located on page 3 of PDF under Gecko Feet Activity) about modeling a nanoscale phenomenon (gravity-defying gecko feet) with macroscale objects (shoes).

Historically, sea floor mapping (bathymetry) was done by soundings.

Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.