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Explanations: Claim, Evidence, Reasoning
Katie Fitchon 7 January 2013
Transcript of Explanations: Claim, Evidence, Reasoning
Must require data to answer
Can have more than one right answer Claim a statement that answer the question Evidence “data” that supports the claim Reasoning a justification or describing the connection for why the evidence supports the claim using different principals learned in class Rebuttal describes alternative explanations, and provides counter evidence and reasoning for why the alternative explanation is not appropriate Social Studies TEKS:
World Geography TEK 4A: explain how elevation, latitude, wind systems, ocean currents, position on a continent, and mountain barriers influence temperature, precipitation, and distribution of climate regions;
Possible question: Using the data given on elevation, latitude, wind and global position, why does North Africa receive less rain fall than Central America?
Government TEK 3B: examine political boundaries to make inferences regarding the distribution of political power
US History TEK 16C: analyze the effects of the Great Depression on the U.S. economy and society such as widespread unemployment and deportation and repatriation of people of European and Mexican heritage and others Math TEKS:
Math TEK 1G: display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.
Algebra 1 TEK 4B: compare and contrast association and causation in real-world problems;
Algebra 2 TEK 3D: determine the reasonableness of solutions to systems of a linear equation and a quadratic equation in two variables;
Possible question: Is the solutions provided reasonable for this system of linear equations? Explain why or why not.
Geometry TEK 4D: verify that a conjecture is false using a counterexample
Geometry TEK 6B: prove two triangles are congruent by applying the Side-Angle-Side, Angle-Side-Angle, Side-Side-Side, Angle-Angle-Side, and Hypotenuse-Leg congruence conditions English TEKS:
English 1 TEK 2A: analyze how the genre of texts with similar themes shapes meaning;
English 1 TEK 10A: analyze the relevance, quality, and credibility of evidence given to support or oppose an argument for a specific audience;
Possible question: Using the text ________________, do believe the evidence given is credible and relevant for a teenage audience? Explain.
English 2 TEK 9D: synthesize and make logical connections between ideas and details in several texts selected to reflect a range of viewpoints on the same topic and support those findings with textual evidence. Science TEKS:
Science TEK 2H: communicate valid conclusions supported by the data through methods such as lab reports, labeled drawings, graphic organizers, journals, summaries, oral reports, and technology-based reports.
Biology TEK 7A: analyze and evaluate how evidence of common ancestry among groups is provided by the fossil record, biogeography, and homologies, including anatomical, molecular, and developmental;
Possible question: Looking at the data above about the following animals, ______________, which animals would you conclude have a common ancestry? Explain.
Physics TEK 4A: generate and interpret graphs and charts describing different types of motion, including the use of real-time technology such as motion detectors or photogates Examples of Explanations I have Used in My Classroom •Which is denser: a penny or a paper clip?
•What is the estimated density of the plastic bead? Explain your thinking. Example of Student Work Student’s explanation: The density of the plastic bead is greater than 1.04 g/mL. I saw the bead sink and stay above the corn syrup in the density column. I calculated the corn syrup density to be 1.33 g/mL and the soap density 1.04 g/mL. if the bead sinks to the bottom of the soap and floats on top of the corn syrup the density of the bead must be in between 1.33 g/mL and 1.04 g/mL. Examples in AP Stoichiometry Experiment
Write a scientific explanation that answers the following questions.
What is the mole ratio of the products and reactants in the reaction?
What is the precipitate formed in the reaction?
Claim: State the mole ratio. Name the precipitate.
Evidence: Use experimental support from the data table, graph, mass measurements and calculations to support your claim.
Reasoning: Support claim and evidence with knowledge of balance equations, solubility rules, and net ionic equations.