American Chemical Society
Middle School Chemistry: Changing State: Melting
Discover the concept that energy transfer and molecular motion cause the change in state from a solid to a liquid. Also compare state changes of water to the state changes of other substances.
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.
University of Oxford (UK)
University of Oxford: A View From a Distant Universe
An eBook containing information regarding states of matter as it applies to celestial bodies and a universe.
Curated OER
Matter
A brief site which defines solids, liquids and gases along with a drawing of each.
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.
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...
HotChalk
Hot Chalk: Lesson Plans Page: Science Lesson on Water
This activity will teach students about the three states of water found on our planet: solid, liquid gas. They will learn to distinguish the differences between these states and will be able to give examples of each.
Alabama Learning Exchange
Alex: Which Came First, Ice Cream or Refrigeration?
As students begin their study of states of matter, this hands-on activity demonstrates how the interaction of a solid and a liquid can reverse the initial state of each material.This lesson plan was created as a result of the Girls...
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.
Other
King's Centre for Visualization in Science: Scientific Models
A series of interactive applets use scientific models to teach some basic concepts of matter, including states of matter and physical and chemical changes.
Science Education Resource Center at Carleton College
Serc: Freezing and Phase Change: How Do You Make Ice Cream?
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.
Ministerio de Educacion, Cultura y Deporte (Spain)
Cnice: Iniciacion Interactiva a La Materia
Matter is anything that has mass and occupies a space. In this site you will find a lot of illustrations and interactive activities dealing with matter.
Texas Education Agency
Texas Gateway: Heating and Cooling
A tutorial reviewing the states of matter and the effects of heating and cooling matter in the different states. (Note: some of the links may not load in the archived version of the site.)
Texas Instruments
Texas Instruments: A Good Cold Pack
Students use the EasyTemp temperature probe to determine temperature changes as different solid substances dissolve in water. They then develop and test a plan for making the best cold pack using three grams of one of the substances....
McREL International
Mc Rel International: Timss 2007 Released Items: Science Fourth Grade [Pdf]
A released question from the Trends in International Mathematics and Science Study (TIMSS) assessment about change of states of matter. Also included is a scoring guide for the released question.
Ministerio de Educación (Spain)
Ministerio De Educacion: La Materia
In this site you can learn and experiment with matter properties and change in behavior. Every theoretical explanation is accompanied by an animation. You will be able to aply the theory to real experiments.
Crescent Public Schools
The Internet Science Room: The Kinetic Theory & Phase Change
This tutorial helps students understand the Kinetic Theory, which explains the effects of temperature and pressure on matter as it goes through phase changes.
Scholastic
Scholastic: Study Jams! Science: Matter: Periodic Table
A video and a short quiz on the periodic table of elements and how it is organized.
Success Link
Success Link: Dry Ice Lab/demonstration How Cool It Is!
A lesson plan using dry ice to show the four states of matter. Included are inquiry-based questions to use as part of the demonstration.
Center for Literacy and Disability Studies, University of North Carolina at Chapel Hill
Tar Heel Reader: Forms of Water
Find out how water can exist in the three different pahses of matter.
CPALMS
Florida State University Cpalms: Florida Students: Your Ice Cream Is Moving
Learn how states of matter are dependent on an object's average kinetic energy.
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.
Quia
Quia: Phases of Matter
Four activities for reviewing vocabulary and definitions related to changes in states of matter.