PPT
Mr. E. Science

An Introduction to Matter

For Teachers 7th - 8th Standards
What's the matter? Gas, solid, liquid, or plasma. The presentation covers how to describe and identify matter, changes in matter, types of matter, measuring matter, particles of matter, Democritus, and John Dalton's Atomic Theory.
PPT
Mr. E. Science

Changes in Matter

For Students 7th - 8th Standards
Do solids, liquids, and gases even matter? The presentation focuses on changes in matter, including phases, Boyle's Law, Charles' Law, and physical changes. 
Unit Plan
TED Talks

Ted: Ted Ed: Solid, Liquid, Gas and Plasma?

For Students 9th - 10th
Have you ever seen static electricity cause a spark of light? What is that spark? What about lightning, the Northern Lights, or the tail of a comet? All of those things and many others in fact, 99.9% of the universe -- are made of...