Page 10 - Science Course 3 (Book 2)

Changes in Matter Mo8-L1a: What are Physical and
Chemical Changes?
Lesson 1

Let’s Begin

What are Physical Changes?
In this topic, you will learn the following
lessons:
Matter can change in many physical and chemical
Mo.8–L1a: What are Physical and Chemical ways.
Changes?
Mo.8–L1b: How Do the Changes of Matter A change in the size, shape, form, or state of matter
Affect Mass? that does not change the matter’s identity is a
physical change.

What are Physical and Chemical
Mo8–L1a
Changes?
KEY CONCEPTS:
1. How are physical changes different from
chemical changes?

Vocabulary A-Z

Let us learn some vocabulary When a physical change occurs, the chemical
properties of the matter stay the same.

physical change
a change in the size, shape, form, or state of
matter that does not change the matter’s identity.

chemical change
a change in matter in which the substances that
make up the matter change into other substances
with different chemical and physical properties.

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