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In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio.

In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects.

In this electrochemistry activity, learners will explore two examples of electroplating.

In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.

In this simulation, learners use M&M™ candy to explore radioactive isotope decay.

In this activity, learners determine the shape of an unseen object by bouncing a ball off the object.

In this electrochemistry activity, young learners and adult helpers create a battery from a potato to run a clock.

In this (edible) activity, learners balance chemical equations using different kinds and colors of candy that represent different atoms. Learners will work in pairs and explore conservation of atoms.

In this activity, learners conduct an experiment to find out if steel wool will weigh more or less when it is burned. Learners will explore the effects of oxidation and rusting on the steel wool.

This activity uses LEGO® bricks to represent atoms bonding into molecules and crystals. The lesson plan is for a 2.5 hour workshop (or four 45-minute classes).

In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.

In this quick activity about predicting (located on page 2 of the PDF under Where's Nano?

In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch.

In this activity, learners create models of ionic compounds and observe the chemical formula of binary molecules they have created.

In this lesson, learners cut paper into very small pieces to explore the small size of quarks, the smallest thing we know of on Earth.

In this activity, learners use molecular model kits to construct familiar molecules like lactose, caffeine, and Aspirin.

In this quick activity, learners drink Avogadro's number worth of molecules - 6.02x10^23 molecules!

In this activity, learners conduct an oxidation experiment that turns old pennies bright and shiny. Learners soak 20 dull, dirty pennies in a bowl of salt and vinegar for five minutes.

In this activity, learners use geometry to predict the shape of carbon. Learners twist and attach chenille stem pieces that represent bonds between different carbon atoms.

This activity was designed for blind learners, but all types of learners can use it to investigate heterogeneous and homogeneous mixtures and solutions, identify the differences, and explore the conce