eSchool Today
E School Today: What Is Matter
Learn about matter, its three states, changes of state, how matter behaves, and physical and chemical changes in matter.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: States of Matter
A comprehensive lesson plan site that contains a number of activities to aid in teaching about the states and properties of matter and the difference between a physical and chemical change.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Gases Lighter and Heavier That Air
Teachers, to demonstrate to the elementary student that some gases are heavier than others, this experiment uses Winnie the Pooh and balloons to do just that.
Alabama Learning Exchange
Alex: Solids, Liquids, and Gases
This lesson focuses on solids, liquids, and gases. It has several review activities and an exciting lab experiment involving ice cream to complete the lesson.
Chem4kids
Chem4 Kids: Liquid to Gas and Back to Liquid
This resource discusses ways liquids can change into gases and vice versa.
Utah Education Network
Uen: Liquid Exploration
Observe the differences between solids, liquids and gases.
Ducksters
Ducksters: Kids Science: Solid, Liquid, Gas
Kid's learn about the science of states of matter. Solids, liquids, gases, and even plasma.