Everything around us is made of atoms: the clothes we wear, the air we breathe, the water we drink, and ourselves. These atoms form roughly 92 naturally occurring elements on Earth, which then form everything we know. Learn more at Storyboard That!
Ways to separate mixtures - Have students identify, describe, and illustrate different ways to separate mixtures in science.
Storyboard Text
FILTERING
EVAPORATION
Filtering can be used to separate insoluble solids from liquids.
Evaporation can be used to separate soluble solids from a liquid.
DISTILLATION
Separating Mixtures
CHROMATOGRAPHY
Distillation can be used to separate a a liquid from a solution. It works because substances have different boiling points.
Chromatography can be used to separate dissolved substances that have colors such as dyes. It works because some substances are more soluble than others.