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In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.

This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells using simple materials.

In this simulation, learners act out each digestive function of the organs, tissues, and cells in the digestive tract.

This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells. It includes an optional test for the presence of DNA.

This activity allows learners to explore the scientific method in an open-ended fashion, using the 4-P Approach to Science Inquiry developed by the University of Wisconsin, Beloit.

This simulation helps learners understand what happens to food as it passes through the digestive system.

This laboratory exercise is designed to show learners how DNA can easily be extracted from yeast using simple materials.