fact and question: a canyon forming occurs over a period of millions of years
Question: Over the lifetime of the planet hydro mechanical wearing will create a

What's the answer?

answer: crevasse

fact and question: if an object is hot then the surfaces of that object are hot
Question: If you place a piece of paper on a hot object it will leave a

What's the answer?

answer: a singe mark

fact and question: if fossils of a water animal or plant are found in a place then that place used to be covered by water in the past
Question: A woman is digging under a tree on a tall mountain. She is looking for interesting rocks, and a foot down into the soil, discovers a fossilized fish skeleton. From this discovery, the woman is able to determine that

What's the answer?

answer: the mountain used to be underwater

fact and question: eyes are used for seeing by animals by sensing light
Question: What uses eyes to see by sensing light?

What's the answer?

answer:
elephants