General Knowledge Quiz 21 - Switched on kids

General Knowledge Quiz 21

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What Galileo invented?

Correct! Wrong!

Which scientist discovered the radioactive element radium?

Correct! Wrong!

The spiral flow in a stream caused by channel shape is called:

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What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?

Correct! Wrong!

In which decade was the first solid state integrated circuit demonstrated?

Correct! Wrong!

When was barb wire patented:

Correct! Wrong!

Who invented the BALLPOINT PEN?

Correct! Wrong!

What J. B. Dunlop invented?

Correct! Wrong!

General Knowledge Quiz 21
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