How Things Work

Close-ups

Its huge, glittering eyes stare at you. Its big mouth opens and closes, opens and closes. But suddenly it swims to the other side of the bowl. It’s only a small goldfish, after all! Why did the…

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Time to Read

Abu Ali Counts His Donkeys

Abu Ali bought nine donkeys at the fair. He climbed on the first donkey. “Whr-r-r-r!” said Abu Ali. The donkey began to trot, and the other donkeys followed. \”Now,” said Abu Ali, “are all my…

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Currents and Sparks

An on-off magnet

Large electromagnets can lift heavy loads. This one picks up and stacks big blocks of crushed iron and steel in a junkyard. Electricity can make light and heat. It can also make a magnet—one that…

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