Science Education Resource Center at Carleton College
Serc: Plastic Polymers: Investigating Their Flexibility
Students will use their prior knowledge about changes of matter to develop a hypothesis to test the physical properties of materials such as plastic (polymers) and how its chemical properties allow it to have unique physical properties.
Alabama Learning Exchange
Alex: Freezing Things: States of Matter
The class will go back over the Power Point presentation on chemical and physical properties. The teacher will then conduct numerous liquid nitrogen demos. This instructional activity is used early in the Chemistry course. The students...