- Heat of Formation, Smashing Thermite Reaction (This is a YouTube Link) (I use this to help students understand where the heat that made Earth molten to begin with came from. You need a temperature of over 3,000 °F to initiate this reaction. All that heat came from you hitting two rusted pieces of iron together!)
- White light and Colored Shadows (To show how white light is a mix of different wave lengths. Helps to understand why we can get spectrum from stars and lead into spectroscopy.)