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In this activity, learners investigate the olfactory system by conducting several experiments.

In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.

This activity was designed for blind learners, but all types of learners can use it to learn to differentiate between qualitative and quantitative observations and to practice data collection.

In this activity, learners investigate color vision as well as plan and conduct their own experiments.

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.