Introduction

In this book we will go over heating and cooling. This book is designed to help second graders understand the heating and cooling process and be able to identify if a change is reversible.

Lesson Objective

Students will be able to…

Identify what heating and cooling are and if a change is reversible.

NYS Standards

2-PS1-4: Construct an argument with evidence that some changed caused by heating and cooling can be reversed and some cannot.

Heating

What is it?

When you increase the temperature of something.

Cooling

What is it?

When you decrease the temperature of something.

There are two processes we do for heating and cooling

Freezing and melting!

Freezing

What is it?

When something is changed from a liquid to a solid.

Melting

What is it?

When something is changed from a solid to a liquid.

Watch this video to hear a song about heating and cooling!

Watch this video to learn about reversible and non reversible changes!

Discussion Questions

1. What is an example of heating?

2. What is an example of cooling?

3. When you leave an ice cube in the sun what state of matter goes it become?

4. What is an example of a reversible change?

5. What is an example of a non reversible change?

6. How do you know if a change is reversible?