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Floating Rocks

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#19287
Fun:*** (2.28)
Difficulty:** (1.31)
Category:Science
Submitted By:AXTONAau****!!
Corrected By:Winner4600

 

 

 



As Axton and his good mate G were driving along the mighty River Murray, Axton said, "I bet you I can make a rock float on the River." G said, "That's impossible! I bet you $10 you can't."
Axton drove home with the $10 in his pocket.

How is this possible?


Answer

Axton threw a rock called PUMICE into the river.
Pumice is created in volcanic eruptions and is loaded with gas bubbles. Pumice is known to float in small quantities.

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