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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.

This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

In this activity about computer programming, learners follow instructions in a variety of ways in order to successfully draw figures.

In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.

In this activity, learners use sieves with different-sized holes to sort balls by size.

In this activity, learners simulate the separation techniques that materials recovery facilities (MRFs) use and then design their own series of recycling techniques.