get two reddish brownish rocks and rub them together
i learned this in science and when i find rocks like that i always rub them together
Dizzolvation
Use a magnet to attract the iron, leaving the sand behind.
Steel investment foundries make use of sand
Separating the nails from the sand is to use a magnet. This works .... and water in a sealed jar, the sand spreads through the water ...... to be crushed to a fine powder before the copper ore.
the magnetic crustaceanal part of the sand is the bit that animals use to make homes namely sand bugs and insects
yes because to make sandstone you have to use sand
Settle it and pour off the water, or simply filter the sand out of the water.
Firstly, water is to be added to make sugar water solution. The the total mixture of sand and sugar-water solution is passed through filter paper. The sand separates out and sugar water solution is collected in a vessel. Then by evaporating sugar is collected.
sand
Yes, you can use rock, but only the aquariam rock used in lining the bottom of fish tanks. Aquariam tank rocks are preferred over sand.
It is a tradition.
use water and sand to make the slop and add regular sand & mold