Short ten slide presentation. Relates energy to chemical changes, changes in color and new substances formed. Great pictures - how do identify a chemical reaction.
Lesson Universe Hot Links: Download your Workload!Individual Physical Science Units
Six Complete Units: Scientific Skills, Matter & Chemistry, Motion, Forces & Simple Machines, Fluid Mechanics, and EnergyEntire Physical Science Course
Receive a complete course in Physical Science (all six units) over 150 files!Lesson Universe: The Store
See all of our lessons including Astronomy, Earth Science, and more!