Thames & Kosmos Chewing Gum Lab handleiding

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Thames & Kosmos

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Handleiding

There is a story that the Ancient Greek scholar Archimedes

was taking a bath and noticed that the deeper he sank into

the bath, the higher the water level rose. He realized that he

had discovered a way to measure the volume of an object.

Archimedes was said to have been so excited by his discovery

that he leapt out of his bathtub and ran through the streets of

Syracuse yelling, “Eureka! Eureka!” which is Ancient Greek for “I

have found it.”

Archimedes then used this knowledge to ﬁnd out if the

crown of the king of Syracuse was pure gold. He did this by

comparing the amount of water that was displaced by the

crown and the amount of water that was displaced by a bar

of pure gold that had

the same weight as the

crown. If the crown and

the bar of gold were

made from different

materials, most likely

they would have

different densities.

Two objects of the

same weight but with

different densities

would have different

volumes, and therefore

displace different

amounts of water. If a

crown and a bar of pure

gold have the same

weight and the same

volume, then they must

have the same density.

Eureka!

EUREKA!

GEEK

OUT!

Archimedes

I have found it!

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