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

This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

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

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