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Chapter 2: Matter and Change

Difficulty Level: At Grade Created by: CK-12

Freshly baked bread and cherry pie are two delicious parts of any meal. What happens to the ingredients that go into the bread and the pie as they are heated in the oven? If you have ever done any baking, you certainly know that the bread dough that is put into the oven changes dramatically as it bakes. Many chemical reactions occur, and one of those reactions releases a gas that causes the bread to rise. In this chapter, you will learn about some of the basic ways in which matter is capable of changing and how we can make sense of those changes. You will also learn how to classify the various types of matter that are part of the world around us.

Opening image courtesy of jcroninone. www.flickr.com/photos/31867606@N04/4038864078. CC-BY 2.0.

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Difficulty Level:
At Grade
Date Created:
Aug 21, 2013
Last Modified:
Feb 16, 2015
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