fact and question: the crust is a layer of the Earth
Question: You find iron in

What's the answer?

answer: our planet's crust

fact and question: as the amount of food an animal eats increases , the weight of that animal will increase
Question: John's dog seemed to be getting chubby. He concluded that

What's the answer?

answer: the dog was overindulging in meals and snacks

fact and question: a balance is used for measuring weight of a substance
Question: A balance is used to measure the what of a substance?

What's the answer?

answer: heaviness

fact and question: a pulley is used to lift a flag on a flagpole
Question: A pulley is used to lift what on a flagpole?

What's the answer?

answer:
national symbols