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How Sweet It Is
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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

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

Model Eardrum
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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.

Two Ears are Better Than One: Sound Localization
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This activity (9th activity on the page) about hearing demonstrates to learners the importance of having two ears.

No Saliva, No Taste?
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In this activity (4th activity on the page), learners test to see if saliva is necessary for food to have taste.

Half Full or Half Empty
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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.

Exploring Size: Scented Solutions
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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).