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

In this activity related to the famous "Stroop Effect," learners explore how words influence what we see and how the brain handles "mixed messages." Learners read colored words and are asked to say th

In this activity, learners investigate the sense of hearing and plan and conduct their own experiments.

In this activity, learners investigate the sense of sight and develop and conduct their own experiments.

In this activity (12th activity on the page), learners conduct an experiment to demonstrate how muscles are constantly feeding information to the brain about what they are doing.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.

In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

This activity (8th activity on the page) tests learners' ability to identify things using only the sense of hearing.

This activity is designed to let learners measure their reaction time or response time to something they see.

In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.