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Question:

What is the difference between cement and concrete?

I have a science project I have to do and was wondering if you had any ideas. Thanks!

Answer:

When cement dries, it's called concrete.
Should be on google, but .... Think of cement* as the flour in a cake, and then add ingredients sand, gravel, and water, mix, and you have concrete. The reactions started by adding water cause the concrete mixture to get warm (as compared to itself), dry out, and harden into a cohesive block of material. *it is a powdered rock of some kind, maybe limestone, idk
Cement is made up of substances like limestone, calcium, silicon, iron, and so on. Concrete is made up of cement, gravel, sand, and crushed rock pieces.

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