Observing solids, liquids, and gases

gas liquid property solid Picture Credits Every effort has been made to secure permission and provide appropriate credit for photographic material.. 5 Color and shape are properties.. It

Genre Comprehension Skill Text Feature Science Content

Scott Foresman Science 1.1

ISBN 0-328-23549-0

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Standards Preview

Standard Set 1 Physical Sciences

1 Materials come in different forms

(states), including solids, liquids, and

gases As a basis for understanding

this concept:

1.a Students know solids, liquids, and

gases have different properties.

by Nancy Day

Physical Sciences

gas

liquid

property

solid

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ISBN: 0-328-23549-0

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by Nancy Day

What is a

property?

Here is a bubble

A bubble has properties

A property is something that

you can observe with your

senses

2

Size is a property

Look at the bubble

Is it big or small?

3

Properties of Objects

Look at these objects

What color are the boots?

What shape is the ball?

5

Color and shape are properties

The scarf feels soft

How an object feels is a property

What is a solid?

A solid has its own shape.

A solid has its own size

7

These toys are solids

Try to move a solid

It does not change shape

Weight

Weight is how heavy

an object feels

Weight is a property too

9

Look at these two objects

Which weighs more?

What is a liquid?

A liquid takes the shape of what

is holding it

It has its own amount or size

It does not have its own shape

11

Look at these cups

They have different shapes

Both cups hold the same amount

of liquid

What is a gas?

Air is a gas

Balloons are fi lled with air

You can’t see most gases

13

A gas can change shape.

A gas can change size

A gas takes the shape and size

of what is holding it

How are solids,

liquids, and

gases different?

A solid has its own shape

A liquid takes the shape of what

is holding it

A gas takes the shape of what

is holding it too

15

A solid has its own size

A liquid has its own size too

A gas takes the size of what

is holding it

and size of its container

liquid something that takes the shape

of its container and has its own amount or size

property something that you can

observe with your senses

solid something that has its own

shape and size

Glossary

1 What are properties you can observe?

2 How is the shape of a solid different from

a liquid?

3 Have you ever poured milk from a square carton into a round glass? Describe what happened.

4 Use Context Clues Look at the

balloons on pages 12 and 13 What do they tell you about what a gas is like?

What did you learn?