New York University
New York University: What Is Matter?
At this resource discover the difference between solids, liquids, and gases. Practice what you just learned with included review questions.
BBC
Bb Ci Schools: Revisewise Science: Solids, Liquids, Gases
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...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: As a "Matter" of Fact
In this lesson plan site, learners will define matter and compare properties of solids, liquids and gases.
Florida State University
Florida State University: Intermolecular Forces: Changes of State
Discusses the changes of state that can occur for the three different types of matter (solids, liquids, and gases) and different types of heat energy that have been defined by scientists.
CK-12 Foundation
Ck 12: Chemistry: States of Matter
[Free Registration/Login may be required to access all resource tools.] Definition of state of matter and the three common states of matter and their differences.
CK-12 Foundation
Ck 12: Concepts, Classification and States of Matter
[Free Registration/Login may be required to access all resource tools.] Freshly baked bread and cherry pie are two delicious parts of any meal. What happens to the ingredients that go into the bread and the pie as they are heated in the...
ClassFlow
Class Flow: States of Matter Venn Diagram
[Free Registration/Login Required] States of Matter: Venn Diagram for Solids, Liquids, and Gases.
Other
Beautiful Chemistry: Beautiful Structures: Gas and Liquid
In Beautiful Chemistry, we talk about crystals, quasicrystals and glasses, which are all solids. Here, we see the molecular structure of gases and liquids.
PBS
Pbs Learning Media: Phases of Matter: Interactive Lesson
Learn about the three phases of matter, and how the addition and removal of thermal energy (also known as heat) affects them.
E-learning for Kids
E Learning for Kids: Science: Loch Ness: What Happens When Solids and Liquids Are Heated or Cooled?
Students will look at what happens to different types of matter when they have a change of state.
Science Education Resource Center at Carleton College
Serc: Exploring States of Matter Gases
In this series of chemistry labs, students learn about the three states of matter by observing how molecules contract or expand as they change state.
ClassFlow
Class Flow: Matter
[Free Registration/Login Required] This flipcharts explains the basics of matter. Opportunities for student involvement include measuring solids, identifying matter, and a sorting activity.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: States of Matter
A comprehensive lesson plan site that contains a number of activities to aid in teaching about the states and properties of matter and the difference between a physical and chemical change.
Other
States of Matter and Properties of Gases: Terms
A very complete list of terms that are important to the study of gases. This resource is a web archive.
Simon Fraser University
Chem1 Virtual Textbook: Densities of Substances and Materials
As part of a larger site called "Getting started in Chemistry," this site examines various topics related to the densities of substances and materials. Included in the study are properties of solids, liquids and gases, and how density is...
Curated OER
Matter
A brief site which defines solids, liquids and gases along with a drawing of each.
Purdue University
Purdue Univ: Gases, Liquids, and Solids
This site has a brief description of the differences in particles in a gas, liquid, and solid. Animated microscopic pictures demonstrate the molecular movement in each state. Information is then summarized in an easy-to-read chart.
Other
Homewood City Schools: Classification of Matter
This Homewood City Schools site has an outline form and contains lots of information about the classification and composition of matter. Some of the topics covered are matter and temperature, changes in state, composition of matter, and...
Chem Tutor
Chem Tutor: States of Matter
A very descriptive site that allows students to understand the different states of matter at the atomic level. Also discusses the process of phase changes and displays phase change graphs. Thermochemistry is also touched upon for high...
ClassFlow
Class Flow: Matter
[Free Registration/Login Required] This flipchart is a lesson covering four of the five states of matter. It includes several assessment questions.
Children's Museum
The Children's Museum of Indianapolis: Tie Dye Paper
Learners characterize materials by their state of matter and then combined materials to create a piece of colorful, tie dye-esque paper.
New York University
New York University: States of Water
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.
Curated OER
Matter
A brief site which defines solids, liquids and gases along with a drawing of each.
Wikimedia
Wikipedia: Materia
Explore the concept of matter in this Spanish-language encyclopedia entry. This site features the properties of matter, the Law of Conservation of Matter, and other important features of matter.