Hi, what do you want to do?
Other
Science4 Us: Changes in Matter
Through an instructional video, games, and activities, students explore three types of change matter makes: physical change, in which only the shape of the matter changes; physical phase change in which matter changes to a different form...
CK-12 Foundation
Ck 12: Physical Science: Refraction of Light
[Free Registration/Login may be required to access all resource tools.] Discusses refraction of light in matter and how light changes its speed and angle of refraction according to the type of medium it is travelling through.
Other
The Science House: Ziptop Bag Chemistry
In this experiment, three reactions are performed in a sealed Ziploc bag so that they can be observed. Students identify whether physical or chemical change has taken place.
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.