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This lesson focuses on how materials behave differently as their surface area increases.

This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.

In this activity, learners use simple materials to create giant bubbles.

In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.

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

This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.