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By building a model of a lung and diaphragm, learners discover the function of various parts of the body's respiratory system.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

Learners will build a homemade pump using a balloon, a mason jar, and some straws.

Learners will construct a model of a heart valve using a film canister, a piece of masking tape, and a piece of paper.

In this activity, learners explore dinosaur skeletons and anatomy. Learners make observations about a T. rex skeleton diagram and then measure the skeleton length and width.

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

In this quick activity about pollutants and groundwater (page 2 of PDF under Water Clean-up Activity), learners build a model well with a toilet paper tube.

In this activity, learners make balloon models of disease-causing bacteria.

In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.