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The volcanic rock known as pumice is the only rock that can float in water
For Kids
The volcanic rock known as pumice is the only rock that can float in water
The Volcanic Rock That Defies Gravity: Pumice Volcanic eruptions have fascinated humans for…
Elizabeth Marshall
Elizabeth Marshall
February 02, 2024
1 min
The volume of water in your glass decreases by 2 when you mix salt into the water it is because the water molecules pull the sodium chloride salt apart into sodium and chloride ions
When seawater or saltwater freezes only the water part freezes its salt molecules are forced below the ice surface that s why polar ice caps are freshwater
Water expands when it freezes ice has a lesser density than water so an ice cube takes up nearly 9 more volume than the water you used to make it
Water in space will not freeze it will do the opposite and boil afterward the escaping water vapor will turn to ice that s because there is no air pressure in space where there is no air
While scientists estimate that the stegosaurus weighed about 5 short tons its brain weighed only 2 8 oz and was nearly the size of a lime
You ll find every letter in the alphabet on the periodic table except for the letters j and q they don t appear either as element names or symbols
You can still see neil armstrong s footprints on the moon s surface there s no erosion by wind or water there to erase it there s also no volcanic activity to change the moon s surface
You can peel sticky notes off things easily thanks to their uneven adhesive their adhesive distributes so that only a portion makes contact with surfaces to stick but can be unstuck just as quickly
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