Every little bit helps!
3rd Lab Session Week
Concept: Screening river rocks
Investigation: How do rocks get smaller? How can we separate many rocks by size quickly?
NO Wonders READING
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.
3b. Students know smaller rocks come from the breakage and weathering of larger rocks.
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.
4g. Follow oral instructions for a scientific investigation.
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