Lesson 1 | Matter and Its Properties

Lesson 1 | Matter and Its Properties

Student Labs and Activities

Launch Lab Content Vocabulary Lesson Outline MiniLab Content Practice A Content Practice B Math Skills School to Home Key Concept Builders Enrichment Challenge Skill Practice

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Matter: Properties and Changes

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Launch Lab

LESSON 1: 15 minutes

How can you describe a substance?

Think about the different ways you can describe a type of matter. Is it hard? Can you pour it? What color is it? Answering questions like these can help you describe the properties of a substance. In this lab, you will observe how the properties of a mixture can be very different from the properties of the substances it is made from.

Procedure

1. Read and complete a lab safety form.

2. Using a small plastic spoon, measure two spoonfuls of cornstarch into a clear plastic cup. What does the cornstarch look like? What does it feel like?

3. Slowly stir one spoonful of water into the cup containing the cornstarch. Gently roll the new substance around in the cup with your finger.

Data and Observations

Copyright ? Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Think About This

1. What were some properties of the cornstarch and water before they were mixed?

2.

Key Concept How were the properties of the mixture different from the original

properties of the cornstarch and water?

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Matter: Properties and Changes

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Content Vocabulary

Matter and Its Properties

Directions: Use the clues and the terms listed below to complete the puzzle.

1

chemical property

density

liquid

mass

physical property

solid

2

state

volume

Class

LESSON 1

gas matter solubility

3

4

5

6

7

8

9

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Clues

Across 2. matter's condition or physical property

4. has no definite shape or volume

9. any characteristic that you can observe without changing a material's identity

Down 1. ability or inability to change into one or more new substances

3. amount of matter in an object

5. has definite shape and volume

10. amount of space a material occupies

6. has mass and takes up space

11. has definite volume; no definite shape

7. substance dissolves into another

8. a substance's mass per unit volume

Matter: Properties and Changes

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Lesson Outline

LESSON 1

Matter and Its Properties

A. What is matter?

1. Anything that takes up space and has mass is

.

2.

from the Sun is not matter, although you can see it.

B. States of Matter

1. The amount of space a material occupies is its

.

2. Any matter that has a definite shape and a definite volume is

a(n)

.

3. Any matter that has a definite volume but does not have a definite shape is

a(n)

.

4. Any matter that does not have a definite shape or a definite volume is

a(n)

.

5. All matter is formed of tiny particles that are constantly

.

a. The particles in a(n) quickly back and forth in all directions.

stay in one place but move

b. The particles in a(n)

can slide past one another.

c. The particles in a(n)

move freely.

6. The particles in matter

one another.

C. What are physical properties?

1. A physical property is any characteristic of a material that you can observe without

the identity of the material.

2. One physical property is matter in an object.

, which is the amount of

3.

is the gravitational pull on an object.

4. The weight of an object depends on the for example, objects weigh more on Earth than on the Moon.

of an object;

5. Multiply the length, width, and height of a regular object to calculate

its

.

6. The mass per unit volume of a substance is its

.

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Matter: Properties and Changes

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Lesson Outline continued

7. The ability of one material to dissolve in another is

.

8. The to a liquid.

point is the temperature at which a solid changes

9. The to a gas.

point is the temperature at which a liquid changes

10. certain metals.

is a property that allows some materials to attract

D. What are chemical properties?

1. A chemical property is a characteristic of a material that you can observe as it

to a different substance.

2.

is the ability of a material to burn easily.

3. in the air.

changes to rust when it reacts with water and oxygen

E. Identifying Matter Using Physical Properties

1.

and boiling points do not depend on the amount of

the material, so they are good properties for identifying unknown substances.

2. Sometimes you have to observe more than one

to

identify an unknown material.

F. Sorting Materials Using Properties

1. Physical properties and chemical properties are useful for

materials.

2. An example of a(n) yogurt to spoil.

property is the tendency for milk or

G. Separating Mixtures Using Physical Properties

1. You can separate mixed materials by melting or

the

mixture.

2. You can separate some mixed materials using a(n)

to

attract some materials and not others.

Copyright ? Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Matter: Properties and Changes

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