PBS
Sink or Swim?
What's with all the numbers on plastic products? Learners complete an in-depth analysis of the physical properties of the different plastic types. They connect the properties of the plastics to uses and test their observation skills by...
CK-12 Foundation
Ck 12: Ionic Bonds and Ionic Compounds
[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will learn to explain how an ionic bond is formed when electrons are transferred from one atom to another in terms of the...