The Association of the British Pharmaceutical Industry
Abpi: Solids, Liquids, and Gases
Students learn about solids, liquids, and gases in this interactive slide show. Animated cartoon characters explain concepts having to do with properties of matter. A self-checking quiz follows the lesson.
Other
Chem Cases: Nutra Sweet: Physical and Chemical Properties
An in-depth look at the physical and chemical properties of aspartame, or NutraSweet.
BBC
Bbc Schools: Ks2 Bitesize: Science: Materials: Changes in Materials
Help solve the mystery and find the missing crystal. Following the activity, read more about chemical and physical changes, and then take a quick quiz to check for understanding.
Science Struck
Science Struck: Can Diamonds Be Melted or Dissolved?
While diamonds are extremely hard and strong, they are not indestructible. Learn how diamonds can be burned, melted, or dissolved.
CK-12 Foundation
Ck 12: Chemistry: Physical Change
[Free Registration/Login may be required to access all resource tools.] Definition of physical change and examples, and how physical changes can be reversed.
PBS
Pbs Teachers: Rising Ice Experiment
Observe how ice and salt crystals interact by using salt to help adhere a string to the top of an ice cube in a glass of water, then lift the cube out of the water.