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Living By Chemistry SECOND EDITION

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Presentation on theme: "Living By Chemistry SECOND EDITION"— Presentation transcript:

1 Living By Chemistry SECOND EDITION
Unit 1: ALCHEMY Matter, Atomic Structure, and Bonding

2 Lesson 3: What’s the Matter?
Defining Matter

3 ChemCatalyst Modern chemistry is defined as the study of matter.
What do you think matter is? Name two things that are matter and two things that are not matter.

4 Key Question What is matter?

5 You will be able to: define matter
classify an item as matter or not matter

6 Prepare for the Activity
Work in groups.

7 Discussion Notes The items that are clearly matter are all objects, or things, that are tangible. Energy and ideas are not matter, but they involve matter. Matter has some sort of dimension and substance to it.

8 Discussion Notes (cont.)
A good definition should work 100% of the time. Here are some textbook definitions of matter: Matter: Anything that has substance and takes up space. Matter: Anything that has mass and volume.

9 Discussion Notes (cont.)
Energy is the ability to do work or make reactions happen.

10 Wrap Up What is matter? • Matter is everything that has substance and takes up space, or that has mass and volume. • Ideas and energy are examples of things that are not matter. • Chemists study all kinds of matter.

11 Check-in Which of the following can be classified as matter?
a. a beam of sunlight b. an automobile c. an idea d. your breath e. rain f. sadness


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