Tell a story. Start say with the Aristotelian notion of why an arrow flies, you recall, wind circulating from the tip to the tail or something. Then try to come up with experiments as to why that might be false, e.g. slow movements, movements in space, etc.

Tell a story. Start say with the Aristotelian notion of why an arrow flies, you recall, wind circulating from the tip to the tail or something. Then try to come up with experiments as to why that might be false, e.g. slow movements, movements in space, etc.

Look at crystals. Grow some. Weird, isn't it? How could that be? Atomic theory.