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...
University of Maryland
University of Maryland: Boiling at Reduced Pressure
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of the dependency of the boiling point upon pressure. Shows apparatus and set-up; provides suggestions. Easily...
CK-12 Foundation
Ck 12: Classification of Matter
[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will define a mixture and understand why mixtures are different than pure substances. They will classify mixtures as homogeneous or...
University of Maryland
University of Maryland: Boiling Water by Pumping
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration which utilizes a Bell jar and vacuum pump to show the dependency of boiling point upon pressure. Shows...
University of Maryland
U. Of Maryland: Latent Heat: Ice to Water to Steam
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of latent heat in the melting and vaporization process. Shows apparatus and set-up; provides suggestions....
University of Maryland
Um: Carbon Dioxide Balloon on Liquid Nitrogen
A page from the University of Maryland Physics Lecture Demonstration Facility. Provides directions for a teacher demonstration of sublimation. Shows apparatus and set-up; provides suggestions. Easily adaptable as a student project or lab...