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This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness. Learners explore surface area, nanostructures, and work in...

In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions. The atomic models are made first from...

Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black. The black surface...

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things. In the first activity about molecule receptors, learners use their sense of...

In this activity, learners discover that sand is the major ingredient in glass. They carry out a guided investigation involving chocolate to see what happens when heat is applied to a material that...

In this activity, high voltage is applied across a pickle to emit a yellow glow. This activity should only be conducted by skilled adults and is best suited as a demonstration. Optional extensions...

In this activity, learners will be introduced to biomass gasification and will generate their own biomass gases. Learners generate these gases everyday on their own and find it quite amusing, but...

Create a chemical reaction that makes cheese! This hands-on activity demonstrates that molecules and atoms are tiny particles that make up everything around us. In this experiment, milk molecules...