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In this activity, learners simulate nature's water filtration system by devising a system that will filter out both visible and invisible pollutants from water.

In this activity, learners are challenged to design and construct a jointed figure that moves in a motion (something like jumping jacks) when a string is pulled.

In this cooperative learning activity, learners visit ten stations and are challenged to think critically about various conservation questions and issues.

This simulation of laparoscopic surgery enables learners to practice and to learn this modern surgical technique.

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