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Chem4kids
Chem4 Kids: Chemical vs. Physical Changes
Identify chemical and physical changes and the differences between the two.
Other
English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds
A laboratory experiment where students classify matter into a homogenous mixture, heterogeneous mixture, solution, or pure substance. Also students will test for physical and chemical changes.
eSchool Today
E School Today: What Is Matter
Learn about matter, its three states, changes of state, how matter behaves, and physical and chemical changes in matter.
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.
American Chemical Society
Middle School Chemistry: Changing State: Freezing
Students investigate how low temperature causes water vapor to condense into a liquid and then freeze to form a solid.
Frostburg State University
General Chemistry Online: Ten Signs of Chemical Change
Resource provides the ten signs that tell when a chemical change has occured. Each sign has a detailed explanation.
PBS
Pbs: Nova: Absolute Zero: States of Matter
This interactive allows you to explore the effect that temperature and pressure have on the changes in the states of matter. You can test these variables on carbon dioxide, hydrogen and water.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Somethin' Sweet
This site provides a lesson plan using candy making to demonstrate physical and chemical changes in matter. Includes directions to make caramel and rock candy.
Thomas Jefferson National Accelerator Facility
Jefferson Lab: Reading Passage: Properties and Changes
Read and fill in the blanks of this passage properties and changes. Each blank has a dropdown menu with choices. When you finish, click CHECK MY ANSWERS. If you pick a wrong answer, the right answer will be displayed along with your choice.