Col's Videos

Although most of my movie's are available on my YouTube Channel, because of school policies, it is sometimes handy to have alternative copies which are made available here.

• A demonstration of back emf in a motor by measuring the current when a motor runs, and then is held.
• A demonstration and commentary of the reaction between copper carbonate and sulfuric acid.
• Burning steel wool to demonstrate the reaction between iron and oxygen.
• A demonstration and commentary of the reaction between Sodium carbonate and Hydrochloric acid.