Chemistry student

I'm teaching the new organic chemistry student about functional groups. We reach aldehydes, and consider the formula of formaldehyde. I ask him what the next aldehyde would be called.

The student looks up, and with the innocent expression of the true imp, says: "Informaldehyde?"

ढंग का खाना

माँ, बेटे से: दाल ढंग से खा ली, बेटा?

बेटा, माँ से: नहीं, चम्मच से खाई थी.

Waking up kids

Mother: Wake up, son.
Son: Mmm.
Mother: Are you awake, son?
Son: Mm-mm.
Mother, in sing-song voice: If you're awake, son, show me some open eyes.
Son (eyes tightly shut), muttering: There's a mirror on the wall there...