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The NASA’s Beginning Engineering, Science and Technology (BEST) Students Kit was designed to accompany the NASA BEST Students Educator guides, an afterschool engineering club curriculum for students in grade K to 2, 3 to 5 and 6 to 8 (www.nasa.gov/audience/foreducators/best/index.html).

Students identify and quantify microbes in air, soil, water, or any surface.