Grade 1 · Science · Lesson 19

Mixing and Separating Materials

Have you ever stirred sugar into water, or noticed that sand and pebbles stay separate even when you mix them? Scientists study what happens when materials are combined — and how to take them apart again.

What this lesson teaches

1Describe what happens when materials are mixed together
2Identify whether a mixture can be separated
3Name at least three simple separation methods

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