Observing solids, liquids, and gases

Physical Sciences
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

Genre

Nonfiction

Comprehension Skill

Use Context Clues

Text Feature

• Glossary

Science Content

Matter

Scott Foresman Science 1.1

ISBN 0-328-23549-0

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Vocabulary
gas
liquid
property
solid

by Nancy Day

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ISBN: 0-328-23549-0
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What is a
property?

Size is a property.
Look at the bubble.
Is it big or small?

Here is a bubble.
A bubble has properties.
A property is something that
you can observe with your
senses.

2

3


Properties of Objects
Look at these objects.
What color are the boots?
What shape is the ball?

4

Color and shape are properties.
The scarf feels soft.
How an object feels is a property.

5


What is a solid?

A solid has its own shape.
A solid has its own size.

6

These toys are solids.
Try to move a solid.
It does not change shape.

7


Weight

Look at these two objects.
Which weighs more?

Weight is how heavy
an object feels.
Weight is a property too.

8

9


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.

10

Look at these cups.
They have different shapes.
Both cups hold the same amount
of liquid.

11


What is a gas?
Air is a gas.
Balloons are filled with air.
You can’t see most gases.

12

A gas can change shape.
A gas can change size.
A gas takes the shape and size
of what is holding it.

13


How are solids,
liquids, and
gases different?

A solid has its own size.
A liquid has its own size too.
A gas takes the size of what
is holding it.

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.

14

15


Glossary

What did you learn?
1. What are properties you can observe?

gas

something that takes the shape
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

16

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?