Grade 8 Science CRT Instructional Material #1 - RPDP

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$Grade 5 Math Instructional Materials 2009 - RPDP$

Part C One key element One key element that describes explains what is happening to the weight of the object as it moves from Location 1 to Location 5: Weight decreases rapidly with distance as shown in the downward sloping graph. Weight depends on location within a gravitational field. As distance increases, weight decreases. The strength of the gravitational field decreases with distance resulting in less weight. Copyright © 2010 by the Southern Nevada Regional Professional Development Program Page 22
Question 38 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 for identifying the producer and explaining the reason: The rosebush is the producer in the food web because it can make its own food through photosynthesis. OR The rosebush is the producer in the food web because it is the primary source of energy for all of the other organisms. Part B One key element One key element for identifying the primary consumer and explaining the reason: The primary consumer in the food web is the aphid because it feeds on the rosebush which is the producer. OR The aphid is the primary consumer in the food web because they are herbivores. Copyright © 2010 by the Southern Nevada Regional Professional Development Program Page 23
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Grade 8 Science CRT Instructional Material #1 - RPDP

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