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In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete

In this activity (on page 2 of PDF under GPS: Sea Turtles Activity), learners will model how a sea turtle population changes over time, from eggs to adults, using puffed rice.

In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.