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

In this activity, learners explore the chemical reaction between water and effervescent antacid tablets. This hands-on activity models how a material can act differently when it's nanometer-sized.