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Because clay is harder and if you put water on sand then it will just sink in. Tehehehe
It isn't. There are large portions of the bottom of Lake Michigan that are covered in stones and boulders.
salt becomes dossolved while sand remains as undissolved material at the bottom of container.
mix the salt and sand into a glass of water. The sand would settle at the bottom of the glass, and the salt would dissolve into the water. pour off the salt water, wait for the water to evaporate, and you will be left with salt, and sand.
A bed of salt lake that contains water at irregular periods is called a playa. The water that covers a playa slowly filters into the ground into groundwater systems or evaporates into the air, causing a deposition of salt, sand, and mud along the bottom and edges of a flat-bottomed depression.
1. Filtering the liquid sand remain on the filter. 2. The solution containing salt pass the filter; after the evaporation of water crystallized NaCl is obtained.
The bottom. Quicksand doesn't "lead" anywhere, it's basically just a lake with a lot of sand in it.
pour water in the cup, the saw dust flouts up the sand stays at the bottom
Clay is the least porous of all soil types. It is the opposite of porous in comparison to sand.
Road gritters are also known as sand trucks in some parts of the country. These trucks are filled with sand, and salt. A blade at the bottom of the truck turns, and as it does this salt, and sand is dispensed onto the road.
Water and a filter would work. Pour the salt/sand into water and the salt will dissolve. Pour the mixture into a filter and the sand will be trapped in the filter. Evaporate the water and the salt will remain.
In solution, the salt will be dissolved in the water, the sand and iron will settle to the bottom of the container. Separate out the water, evaporate the water and the salt will remain, separate the sand and iron filings with a magnet.