Me: "Ok, so here are 3 compounds you might know."
*Writing NaCl, H2O and SiO2 on the white board*
Me: " Does anyone know what the first one is?"
Student: "It's table salt."
Me: "Good! What about the second one?"
Student: "Water!"
Me: "Yep, and the last one is a little tricky, has anyone ever seen this one before?"
*Silence as student squint and wrinkle their brows in thought*
Me: "It's silicon dioxide, it makes up quartz. They use it in glass making, and it's a big component of sand."
*More silence as this idea sinks in*
Student: "So basically, it's the chemical composition of the beach, right?"
Me: "Well...I guess it is...."
*Only in a girls high school class*