Chem4kids
Chem4 Kids: Changing States of Matter
Find out how matter can change from one state to another.
Center of Science and Industry
Cosi Columbus: Can You Stand the Pressure
Science experiment that demonstrates the four states or phases of matter: solid, liquid, gas, and plasma. Includes full list of materials, procedures, and scientific explanation of how you change water from a liquid state to a gaseous...
Quia
Quia: Phases of Matter
Four activities for reviewing vocabulary and definitions related to changes in states of matter.
CK-12 Foundation
Ck 12: Plix: Structure of Water: Phases of Matter
[Free Registration/Login Required] Explore this interactive by dragging the red dots to match each physical state of water with the correct picture of its molecules.
Center for Literacy and Disability Studies, University of North Carolina at Chapel Hill
Tar Heel Reader: Liquids: A Science Curriculum Resource Support
Read about solids, liquids, and gases, and find out about the phases of matter.
eSchool Today
E School Today: The Changing State of Matter
Learn about the changing states of matter.
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.
CPALMS
Florida State University Cpalms: Florida Students: Heat and States of Matter
Learn how states of matter can change as heat is added to a system.
American Chemical Society
Middle School Chemistry: Changing State Melting
Explore the phase change that occurs when ice is melting.
American Chemical Society
Middle School Chemistry: Changing State Freezing
Discover how freezing works, when the change of state moves from liquid to solid.
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...
Chem Tutor
Chem Tutor: Chemistry: States of Matter
This lesson focuses on the states of matter: solids, liquids, and gases. It also discusses the Kinetic Theory of Matter, Thermodynamics, Triple point, Phase Change Graphs and the Heating Curve of Water. It provideds adrawing of a heating...
Science Education Resource Center at Carleton College
Serc: Mystery Material: Is It a Solid or a Liquid?
Is it a solid or a liquid? In this activity, students will handle a mystery substance that has qualities of both a solid and a liquid while learning about phases. They will manipulate the substance, record any observations they...
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.
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.
Lawrence Berkeley National Laboratory
Berkeley Lab: Phases of Nuclear Matter
A brief exploration of the states or phases of nuclear matter.
Other
Science4us: States of Matter
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...
American Chemical Society
Middle School Chemistry: Chapter 1: Solids, Liquids, and Gases
Five exemplary chemistry lessons about the three states of matter complete with handouts and animations.
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.
Texas Education Agency
Texas Gateway: Solids, Liquids, and Gases
Given descriptions, scenarios, or illustrations, students will distinguish between the compressibility, structure, shape, and volume of solids, liquids, and gases.
University of Florida
Chem. 2041 Lecture Notes: The Forces Between Molecules
A discussion of the variety of forces which hold molecules together. The relative strengths of these forces for the various states of matter is discussed. The effect of such forces on the boiling points and other phase change...
University of Notre Dame
Und: Properties of a Pure Substance [Pdf]
Often we find that different phases of pure substances can exist in equilibrium with one another. Let us consider an important gedankenexperiment (Latin-German for "thought experiment") in which we boil water. Ordinary water boiling is...
CK-12 Foundation
Ck 12: Plix: Solid, Liquid and Gas
[Free Registration/Login Required] In this interactive you will move the red dot below each flask to observe how particles move in each different phase of water. You will need a sign-in to access this media, but it will be well worth...
Chem4kids
Chem4 Kids: Liquid to Gas and Back to Liquid
This resource discusses ways liquids can change into gases and vice versa.