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Smelly Balloons
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In this activity, learners sniff out scents hidden in balloons! After investigating, learners discover we sometimes can use another sense (smell) to detect things too small to see.

What is Nanotechnology?
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In this activity related to nanotechnology, learners observe some of the effects that result from creating a thin layer of material several nanometers thick.

Beam Me Up!
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This is a quick activity (on page 2 of the PDF under Stained Glass Activity) about the "Tyndall effect," the scattering of visible light when it hits very small dispersed particles.

Exploring Size: Scented Balloons
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In this activity, learners use their sense of smell to explore the world on the nanoscale.

Spots, Lines and Lasers
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Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch.

How Thick is Your Hair?
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In this activity on page 13 of the PDF, learners use a laser pointer (with known wavelength of light) to measure the thickness of a human hair.

Mystery Shapes
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In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

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).

Exploring Forces: Gravity
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In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.