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This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.

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 use recycled materials to build a bridge that holds as many potatoes as possible. They investigate weight, height, strength, and measurement as they seek design solutions.

Straws and pipe cleaners are terrific materials for building models of pyramids and cubes.

In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

In this math activity related to volume, learners use problem solving skills to calculate and build a model house for Minus the dog.

This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape.

In this activity, learners plan and create a 24-foot long, two-dimensional model of our solar system, and compare and contrast the differences between planets and the sun.

Build a house you can fit inside, using cardboard tubes.

In this activity, learners will predict the size of a giant scale model of a comb or other rectangular object, then make one. If you tripled the size of a dollar bill, could you sit on it?