Chemistry for Kids: Lesson 4

List what you know about sand and salt:


Get the mixture you will use today. Notice what is in it.

Think about how you could separate the two things in this mixture using what you know. Separate the two things.

How did you do it?
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For the parent: Mix some dry coarse sand and some salt in a jar prior to this lesson. Let your kids struggle with this, but don't let them reach the point of frustration. The intent of this experiment is to show that we can use what we know to separate something that seems impossible to separate. Salt dissolves in water. If you add water and stir, it is easily separated from the sand when the mixture is poured through a coffee filter.