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In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

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

In this activity, learners use their sense of smell to explore the world on the nanoscale.

In this activity (2nd activity on the page), learners explore the sensitivity of their sense of touch.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

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

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

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

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

In this activity, learners examine their tongue and taste buds.

In this activity (9th activity on the page), learners work in pairs to see how their perception of touch differs from reality.

In this activity (1st activity on the page), learners explore their sense of taste and the structure of the tongue by taste-testing various foods.

In this activity (11th activity on the page), learners use pennies to test their hearing acuity.

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.

This fun hands-on astronomy activity lets learners explore models of the Milky Way and other galaxies to get a sense of relative distances to other galaxies.

In this activity (3rd on the page), learners investigate circadian rhythms by examining how well people do with estimating time.

This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.

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