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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.

In this activity, learners discover why some nanoscale science and technology is done in the controlled environment of a clean room, what clean rooms are like, and how scientists help keep the clean r

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.

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

In this outdoor activity/field trip, learners investigate organisms that live along the ocean's rocky coast.

In this activity about olfaction (9th activity on the page), learners smell 10 different items with different odors, including some edible food items.

In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

In this set of outdoor games, learners play the role of monkeys that are trying to get enough resources (food, shelter, and space) to survive.

Learners use a mortar and pestle to extract clove oil from cloves using denatured alcohol. They put this oil on paper, which they can take home.

In this fun and in depth hands-on experiment, learners test various liquid samples (distilled water, lemon juice, vinegar, and baking soda mixed with water) to determine their pH levels and identify e

In this activity, learners use their sense of smell to explore the world on the nanoscale.

In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.

In this activity about olfaction (8th activity on the page), learners smell 10 different items with different odors. Then they try to identify the smells when they are mixed together.

In this activity about olfaction (7th activity on the page), learners use natural ingredients to concoct their own perfume.

In this two-part activity, learners use household items to smell the difference between some stereoisomers, or molecules which are mirror images of one another.

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

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

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).

In this game, learners try to find nano-related objects on a game board. Learners investigate the different ways nano is in the world around us.