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Odors Aloft
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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.
Our Chemical Senses: Olfaction
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In this activity, learners investigate the olfactory system by conducting several experiments.
Sniffing for a Billionth
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This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.
Biochemistry Happens Inside of You!
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In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.
Scented Dough
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In this activity, learners follow a recipe to create play dough scented with fruit-flavored drink mix.
Delicious Smelling Chemistry
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In this activity, learners use household materials to investigate and explore their ability to smell an odor.