[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 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 lesson is the third of three lessons. It covers the physical changes of matter and explains how chemical changes can be detected.

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

[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.