Pure Substances and Mixtures. Grade 7. Classification of Matter . Matter is anything that has mass and takes up space. Mass is the amount of matter in an object. A Solid is matter that has a definite shape and volume
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(but you knew that already didn’t you )
Sugar, distilled water, and copper wire are all types of pure substances.
For example, all the parts in a packet of sugar are the same.
unfiltered tap water
copper and zinc.
Under certain circumstances, a saturated solution can be cooled enough to form a supersaturated solution, which has more solute than would normally be dissolved in the solution.
the rate in which a solute
dissolves in a solvent
from water so it can be drank.
separate solids from liquids