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grains of sand
Size of the sand grains and velocity of the stream
Well, sand starts as pebbles and rocks. These rock then grind against each other breaking smaller & smaller until you get sand.
B Glass
silica sand is made up of fine grains
sand is crushed up rocks into fine grains but the specific thing that makes glass is the Silicon Dioxide
there are 8 octillion grains of sand in Sahara and there are more rocks then sand in the Sahara.
5,000,000,000
There are over a billion grainsof sand on a beachThere are more stars than grains of sand
An hour glass works by there being sand in one side of a jar and in the middle of the jar the glass is really thin. So once the sand gets to the other side it measures to 30 minutes.
Another name for sand clock is hour glass
Sand is not a compound and haven't a molar mass; also different types of sand exist.
1 US gallon is 128 ounces.
too many to count!
Stars in My Pocket Like Grains of Sand has 368 pages.
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