fact and question: alloys are made of two or more metals
Question: If you wanted to make a metal bed frame, where would you start?

What's the answer?

answer: search for rocks

fact and question: evaporation causes amount of water to decrease
Question: Where would the amount of water decrease most?

What's the answer?

answer: under clear skies

fact and question: matter vibrating can cause sound
Question: If I wanted to create noise I could

What's the answer?

answer: tap a chopstick on a pillow

fact and question: a moth undergoes metamorphosis
Question: A moth can metamorphosize when

What's the answer?

answer:
it releases itself from a self-made chamber