CK-12 Foundation
Ck 12: Earth Science: Processes of the Water Cycle Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide summarizes key points about the water cycle. Includes a few questions to check for understanding.
Sophia Learning
Sophia: Phase Changes: Lesson 3
This lesson will introduce a phase change diagram, and show how a substance changes from one phase to another. It is 3 of 3 in the series titled "Phase Changes."
Sophia Learning
Sophia: Phase Changes: Lesson 2
This lesson will introduce a phase change diagram, and show how a substance changes from one phase to another. It is 2 of 3 in the series titled "Phase Changes."
Other
Homewood City Schools: Classification of Matter
This Homewood City Schools site has an outline form and contains lots of information about the classification and composition of matter. Some of the topics covered are matter and temperature, changes in state, composition of matter, and...