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In this activity, learners explore how salt water freezes in comparison to fresh water.

In this engineering design challenge, learners build an octopus-inspired suction pad that can grab an object and hold it tightly in the air.

In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution.

Learners create their own piece of history by decorating, shattering, and piecing together a flowerpot "artifact".

In this activity, learners observe and describe the physical and behavioral characteristics of insects, including crickets.

In this data collection and analysis activity, learners evaluate fish physiology and ecology using vision research data from Dr.

In this engineering design challenge, learners make a bird and then control its flight with attached strings.

In this activity (Page 25 of PDF), learners investigate the evolution of wheat by creating dough from different flours, observing the samples of dough as they rise, and then baking the dough.