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This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

In this activity, learners create a three-dimensional sculpture while examining the characteristics of fish.

In this activity, learners take measurements and create charts to learn about the size of dinosaurs and their relative scale to humans.

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, learners solidify their conceptualization of cells by building a model of a cell in a ziplock bag.

In this activity on page 3 of the PDF, learners visualize the relative size and structural differences between microbes that have the potential to cause disease.

Learners observe a simple balloon model of an electrostatic precipitator. These devices are used for pollutant recovery in cleaning industrial air pollution.

Learners take on the role of environmental engineers as they design water filters.

This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.

In this activity, learners make a model of a beehive using simple materials.

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.

In this activity, learners create their own archaeological profiles.

In this activity, learners make a model of a pollution spill that occurred at Bangs Lake in Mississippi and measure water quality parameters in their model.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.