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Bee Talk
Source Institutions
In this activity, learners smell bottles containing bee pheromone molecules (or herb/spice extracts as a substitute). Bees release these molecules to send messages to each other.
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Odors Aloft
Source Institutions
Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-133.jpg?itok=KqfwzF6c)
Exploring Liquids
Source Institutions
Young learners investigate and observe the properties of three liquids -- water, vegetable oil, and corn syrup. They use their senses to collect data and ask and answer questions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-559.jpg?itok=wlucIvxZ)
Sniffing for a Billionth
Source Institutions
This is an activity (located on page 4 of the PDF under What's Nano? Activity) about size and scale.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-644.jpg?itok=nExLX9hb)
Biochemistry Happens Inside of You!
Source Institutions
In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-397.png?itok=hN9gU9fu)
Delicious Smelling Chemistry
Source Institutions
In this activity, learners use household materials to investigate and explore their ability to smell an odor.