fact and question: an electromagnet contains cylindrical ferrous metal
Question: A common household item that may be a ferrous metal is

What's the answer?

answer: pans

fact and question: a thermal energy conductor transfers heat from hotter objects to cooler objects
Question: Toasting already-baked bread requires using

What's the answer?

answer: a thermal conductor

fact and question: if an object is close then that object will appear large
Question: A cylinder with lenses can even make Uranus appear to be

What's the answer?

answer: closer

fact and question: In the food chain process a green plant has the role of producer
Question: In the food chain process a cattail has the role of

What's the answer?

answer:
producer