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

In this simple exploratory activity (1st activity on the page), blindfolded learners try to identify mystery items by smell.

In this technology activity, learners explore digital imaging and pixels. Learners "transmit" an image to a partner by creating an image on grid paper.

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

In this activity, learners work in teams to study the observation skills essential to scientific research.

Use this activity to build division and number sense into any snack time or whenever there is a limited set of things to share among a group: If we deal these out, could everyone get two pieces?

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 family or group inquiry activity, learners use their senses to explore a local forest or woodland.

In this activity, learners will conduct an open-ended survey, and then organize and analyze results. What languages does everyone speak? What’s the most common? the least common?

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