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In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

In this activity, learners analyze a fictionalized report of life on Mars, based on a real NASA satellite photo, and explore how to separate scientific fact from fiction.

In this neuroscience activity (5th activity on the page), learners explore their sense of touch without using their senses of vision and hearing.

In this outdoor activity that can be combined with a hike, learners try to match a "mystery community" by shaking animals out of different trees and shrubs.

In this activity (7th activity on the page), learners use their sense of touch to identify mystery objects hidden in socks.