CK-12 Foundation
Ck 12: Chemistry Simulation: Phase Change
[Free Registration/Login Required] Explore how heat and temperature relate to phase changes.
Davidson College
Davidson College: Phase Changes: Phase Diagram: Part 5: Critical Point
Explains what the critical point in a phase change is and ways that a transition from a liquid to a gas can take place. Students investigate the concepts using a Java simulation.
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.
American Chemical Society
Middle School Chemistry: Chapter 2: Changes of State
Five chemistry lessons about phase changes between the states of mattter complete with handouts and animations.
Science Buddies
Science Buddies: Project Ideas: Explore the Chemistry Within Hand Warmers
Determine how the starting temperature affects crystal growth and heat generation of a hand warmer in this chemistry science fair project. The Science Buddies project ideas are set up consistently beginning with an abstract, objective,...
American Chemical Society
Middle School Chemistry: Changing State Melting
Explore the phase change that occurs when ice is melting.
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...
Cosmo Learning
Cosmo Learning: General Chemistry
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course teaches periodic table, chemical bonds, molecular shape, phase changes, chemical reactions, stoichiometry,...
CK-12 Foundation
Ck 12: Chemistry Simulation: Camping Chemical and Physical Changes
[Free Registration/Login Required] Explore how heat and temperature relate to phase changes.
Frostburg State University
Frostburg State Chemistry Online: Water Bond Angles & Phase Changes
Describes the bond angle of the water molecule during the transition from liquid to gas state. Also provides several examples and explanations for responses and answers given.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Effect of Changing Volume on Equilibrium Systems
Learn how volume changes affect gas-phase reactions by altering their concentrations and reaction rates. View examples with solutions and a table of predicted equilibrium changes. Also find links to tutorials and animations of other...
Cosmo Learning
Cosmo Learning: Chemistry 1 A: General Chemistry
A collection of video lectures from a general chemistry course taught at the University of California, Berkeley. The course covers topics like stoichiometry, acid-base and solubility equilibrium, oxidation-reduction reactions, chemical...
Cosmo Learning
Cosmo Learning: Senior Chemistry With Chemguy
A collection of video lectures from a general chemistry class for high school students. Lectures cover topics such as equilibrium, thermochemistry, electrochemistry, and acids and bases with forty-four lectures. Lectures vary in length...
Wisc-Online
Wisc Online: Chemistry: Heat Transfer
Answer the thermal energy transfer questions correctly, and advance around the baseball diamond.
Simon Fraser University
Chem1 Virtual Textbook: Absolute Entropies
With an overview of topics related to chemical equilibrium, this site provides a foundation to a study of thermodynamics and entropy. The subject, absolute entropies, is discussed in addition to the third law of thermodynamics, phase...
American Chemical Society
Middle School Chemistry: Changing State Freezing
Discover how freezing works, when the change of state moves from liquid to solid.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Liquids and Solids
Take on this self-guided advanced level e-text, and learn about the chemical and physical structure of liquids and solids.
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...
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.
Museum of Science
Museum of Science and Industry: Online Science: Make Ice Cream
Follow these step-by-step instructions to make homemade ice cream. Learn the chemistry and physics behind this summertime treat.
Science Buddies
Science Buddies: What's the Point of Boiling?
You know that water can exist in three separate phases: solid (ice), liquid (water), and vapor (steam). To change from one phase to another, you simply add (or remove) heat. When water boils, what happens to molecules (for example sugar...
MadSci Network
The Mad Scientist Network: Chemistry
The question "What is process called when gases go back to solids?" is discussed in detail. A comparison of the processes of sublimation, deposition and condensation is made.
University of Maryland
U. Of Maryland: Change of State of Liquid Nitrogen
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of the vaporization of liquid nitrogen. Shows apparatus and set-up; provides suggestions. Easily adaptable as...
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...