Sit down and take out your text books....

Today we are learning about ENERGY which through remarkable coincidence is also the blip challenge word for this week.

When you strike a match you are causing a reaction between the chemicals in the match head and oxygen in the air. The match won't light spontaneously, though. You first need to input energy, which is called the activation energy of the reaction. In the case of the match, you supply activation energy in the form of heat by striking the match on the matchbook; after the activation energy is absorbed and the reaction begins, the reaction continues until you either extinguish the flame or you run out of material to react.

Mr Crafty is in his element with this week's challenge and has already come up with a number of suggestions, most, well all of them, way outside my realm of scientific understanding. Looks like I'll be learning this weekend.