University of Florida
Florida Museum of Natural History: Kitchen Science
This guide focuses on everyday substances and how we can change their properties by adding heat or cold, physically manipulating them, or mixing them together.
ClassFlow
Class Flow: Changing States
[Free Registration/Login Required] Through this unit children consolidate their ideas about changes of state which can be reversed. They use their understanding to explain a range of familiar phenomena.
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.
CPALMS
Florida State University Cpalms: Florida Students: Conservation of Mass Tutorial
Learn how mass is conserved in physical and chemical changes.
Georgia State University
Georgia State University: Hyper Physics: Heat and Thermodynamics
Georgia State University Physics Department privides an incredibly thorough treatment of the laws of thermodynamics. Multiple pages; many informative graphics; opportunities to practice problems and receive immediate feedback.
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.
Kent State University
Kent State: Classification of Matter
Nice tree structure which shows the different separation technique needed for the two sides. Also gives examples of physical changes/separation techniques.
Encyclopedia of Earth
Encyclopedia of Earth: Physics & Chemistry: Boiling Point
A scientific explanation of what a boiling point is, the factors that can alter a liquid's boiling point, changes of state that occur at the boiling point, and how the normal boiling point relates to a liquid's vapor pressure. (Updated:...
CK-12 Foundation
Ck 12: Physical Science: Hydrogen Bonding
[Free Registration/Login may be required to access all resource tools.] Explains hydrogen bonds including why they form and changes of state.
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...
Keene College
Keene State College: Regions Change
Middle schoolers will find real examples of regions that changed and why the change happened. They will then write a story about why a region changed over time, giving the geographic factors (physical and human) responsible for the change.
Georgia State University
Georgia State University: Hyper Physics: Interference of Sound
Information about the interference of sound and its causes. Well-illustrated and good explanations of the concepts; part of a large hyper-textbook on various physics concepts.
Read Works
Read Works: Mix the Old With the New
[Free Registration/Login Required] An informational text about how cooking causes changes in matter. A question sheet is available to help students build skills in reading comprehension.
Michigan State University
Michigan State University: How Pesticide Resistance Develops
An individual organism's genes determine its physical and behavioral traits. When individuals reproduce, they pass along unique combinations of genes to their offspring. Different environments favor individuals with different physical...
Encyclopedia Britannica
Encyclopedia Britannica: 300 Women Who Changed History: Elizabeth Blackwell
Encyclopaedia Britannica provides a biography of Elizabeth Blackwell (1821-1910 CE), the first woman doctor in the United States.
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.