Classify each of the changes above as either physical or chemical. Describe the change that caused each of the materials to be found in the condition described above. Scoring Guide Score Description 4 Response demonstrates a thorough understanding of physical and chemical changes by classifying all the changes in the tool shed and providing in-depth descriptions of each change. 3 Response demonstrates a general understanding of physical and chemical changes by classifying all the changes in the tool shed and providing general descriptions of each change. 2 Response demonstrates a basic understanding of physical and chemical changes by classifying some of the changes in the tool shed and providing partial descriptions of the changes.
Response is incorrect or irrelevant.
38 Explain how plants and animals are interrelated through the production and use of oxygen and carbon dioxide. Include a diagram or flow chart to illustrate your explanation. 2 Response demonstrates a basic understanding of the oxygen-carbon dioxide cycle and contains a partial explanation of how plants and animals are interrelated through this cycle. Response is incorrect or irrelevant. Suppose that two new planets have been discovered.