[Free Registration/Login Required] Physical and chemical changes are defined and examples are given of each. Practice with determining the difference between mixtures and solutions are also given. Links to external sites for practice...

[Free Registration/Login Required] This lesson is the third of three lessons. It covers the physical changes of matter and explains how chemical changes can be detected.

[Free Registration/Login Required] This flipchart introduces fifth graders to physical and chemical changes in matter. The Law of Conservation of Matter is also covered.

[Free Registration/Login Required] This unit brings together and consolidates work that children have done before on reversible changes and introduces irreversible changes. Students are guided through experiments illustrating the...

[Free Registration/Login Required] Through this unit children consolidate their ideas about changes of state which can be reversed. They use their understanding to explain a range of familiar phenomena.

Students will learn the difference between physical and chemical properties of matter.

[Free Registration/Login Required] In this lesson students identify, interpret, and use the meaning of slope of a line as a rate of change using physical, symbolic, and technological models.