Quiz · Materials & Manufacturing
How do you make glass from sand, paper from trees and chocolate from cocoa beans? Peek inside the factories behind fifteen everyday products and discover the clever processes that make them.
Before you start
You have 15 seconds for each question. When time runs out, the question counts as wrong.
Your first choice is the one that counts. It is checked straight away, with an explanation where there is one.
At the end you see your score and can go back through every question and its answer.
XP scales with your score. Replays earn XP only when you beat your previous best.
From players
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