8.12.10

Super Facts!

SMALL INTESTINE The surface area of the small intestine is about a size of a tennis court,which is 400 meters.

WHAT IS WATT? Do you know what watt is?Watt is how much electricity to a bulb light up.For example,small bulb needs 5 or 3 watts.W for short.

SMART ONE What is a thing that know everything?It's the computer.At home,computer uses a CPU.Looks like a brain.

WIRES Wires contains cooper which can absorb heat and electricity.

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