Grade 8 Science CRT Instructional Material #1 - RPDP

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$Grade 5 Math Instructional Materials 2009 - RPDP$

Copyright © 2010 by the Southern Nevada Regional Professional Development Program Page 18
Question 10 Score Description Three key elements. AND 3 Response addresses all parts of the question clearly and correctly. Response does not contain any incorrect information. Two key elements. AND 2 Response addresses all parts of the question. Response includes only minor errors. One key element. OR 1 Response does not address all parts of the question. Response addresses all parts of the question, but response includes major errors. 0 Response is incorrect. Blank No response Part A One key element One key element identified two pieces of evidence to support the scientist’s theory that the land masses were once together: The jigsaw puzzle-like fit of the coastlines of the landmasses The existence of similar fossils (plant) on each of the landmasses The existence of similar rock types (sandstone and/or limestone) on each of the landmasses Part B One key element One key element that explains how each piece of evidence supports the scientist’s theory: The coastline of the two land masses fit almost perfectly together suggesting that they were once together and have been pulled apart. The two land masses have similar plant fossils suggesting that at one point the two separate land masses were once together, the plants existed, died and were preserved as fossils, and then separated as the land mass was pulled apart. The two land masses have similar limestone and sandstone rock-formations that match up. This suggests that the land mass was once whole and the rock formations (sandstone and limestone) were deposited. Later the land mass split taking the rock formations to their current locations. Copyright © 2010 by the Southern Nevada Regional Professional Development Program Page 19
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Grade 8 Science CRT Instructional Material #1 - RPDP

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