OpenSciEd
Open Sci Ed: Net Logo: Conduction in Solids Reduced
This simulation shows conduction of thermal energy within and between solids, based on the kinetic energy of particles, and collisions between neighboring particles.
Better Lesson
Better Lesson: Refraction Extravaganza!
Fourth graders learn how light waves bend differently in different mediums.
Better Lesson
Better Lesson: The Lightbulb Just Went On!
Fourth graders discover how electricity can be converted to light energy.
Integrated Publishing
Integrated Publishing: Levers
A quite lengthy chapter on the simple machine the lever. Includes uses, classes, mechanical advantage, formulae, etc. A full discussion, with good illustrations.
McREL International
Mc Rel: Whelmer #11 Learning Activity: Straw Oboes
An easy to do activity that investigates sound waves, wave length, frequency and pitch. The activity is presented in a lesson plan format that meets NSES standards.
McREL International
Mc Rel: Whelmer #67 Activity: Bells in Your Ears
An easy to do, fun activity that investigates sound waves. The activity is presented in lesson plan format that meets NSES standards.