Website
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Elementary Science: Matter

For Students Pre-K - 1st
Colorful site provides a brief summary as well as engaging pictures of the three states of matter: solid, liquid and gas.
Handout
Science4Fun

Science4 Fun: States of Matter

For Students 1st - 6th
Provides interesting information about the three basic states of matter: solid, liquid, and gas.
Unit Plan
CK-12 Foundation

Ck 12: Earth Science: States of Water

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Describes the three states of matter of water.
Lesson Plan
American Chemical Society

Middle School Chemistry: Chapter 1: Solids, Liquids, and Gases

For Teachers 9th - 10th
Five exemplary chemistry lessons about the three states of matter complete with handouts and animations.
Unit Plan
Other

Science4us: States of Matter

For Students Pre-K - 1st
In the States of Matter module, students further explore the concept that anything on earth that has mass and takes up space is matter. This exercise introduces students to solids, liquids and gases, the three most common states of...
Handout
CK-12 Foundation

Ck 12: Earth Science: States of Water Study Guide

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the three states of water. Includes a few questions to check for understanding.
Handout
eSchool Today

E School Today: What Is Matter

For Students 3rd - 8th
Learn about matter, its three states, changes of state, how matter behaves, and physical and chemical changes in matter.
Activity
American Chemical Society

American Chemical Society: Science for Kids: Solids, Liquids and Gases

For Teachers 9th - 10th
Engaging hands on science lessons for grades 2-6 on the three states of matter.
eBook
OpenStax

Open Stax: What Is a Fluid?

For Students 11th - 12th
From a chapter on Fluid Statics in a Physics textbook. This introductory section of the chapter covers the three common phases of matter, their physical properties, and how atoms are arranged in solids, liquids, and gases. Includes a...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Freezing and Phase Change: How Do You Make Ice Cream?

For Teachers 3rd - 8th
Students will be expanding a study of phase changes after experiences with exploration of the three phases of matter. They apply what they have learned through freezing water and create a tasty ice cream treat.
Unknown Type
Quizlet

Quizlet: 6th Grade Science Vocabulary: Solids, Liquids, and Gases: Test

For Students 6th
This interactive assessment features 7 matching, 7 multiple-choice, and 6 true/false questions over 20 terms related to Solids, Liquids, and Gases (the three states of matter).
Activity
Quizlet

Quizlet: 6th Grade: Science Vocabulary: Solids, Liquids, and Gases: Flashcards

For Students 6th
This set of interactive flashcards focuses on 20 terms related to Solids, Liquids, and Gases (the three states of matter).
Handout
New York University

New York University: States of Water

For Students 3rd - 5th
Use this resource to learn about the three different phases of water; solid, liquid, and gas. What happens to water as it changes into a solid or gas? Includes short and easy to do activity.
Whiteboard
ClassFlow

Class Flow: What Is Matter?

For Teachers 2nd - 5th
[Free Registration/Login Required] This flipchart introduces fifth graders to the three states of matter. Concepts include the affect of temperature on matter and physical properties.
Interactive
BBC

Bb Ci Schools: Revisewise Science: Solids, Liquids, Gases

For Students Pre-K - 1st
This site contains an interactive activity in which students can learn about the three states of matter. There is also a factsheet that lists numerous properties of liquids, solids, and gases. The factsheet also uses water as an example...
Activity
Other

Elmhurst College: Virtual Chembook: What Are Physical Properties and Changes?

For Students 9th - 10th
Brief descriptions of physical properties, physical changes, and the process of sublimation. The three states of matter, melting point, and boiling point are described. There is one link on the page, which leads to an explanation of...