2nd Grade-Week 2 Sorting Rocks By Their Physical Properties

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2^nd Lab Session Week

Concept: Sorting rocks by physical properties

Investigation: What are river rocks? How can rocks be sorted?

Wonders READING: pg. 72-77 Changing Rocks

CA Science Standards

3a. Students know how to compare the physical properties of different kinds of rocks and know that rock is composed of different combinations of minerals.

4c. Compare and sort common objects according to two or more physical attributes (e.g., color, shape, texture, size, weight).

4d. Write or draw descriptions of a sequence of steps, events, and observations.

4f. Use magnifiers or microscopes to observe and draw descriptions of small objects or small features of objects.