Writing in Science Engaging in Explanation and Argument
- Slides: 66
Writing in Science Engaging in Explanation and Argument from Evidence Maryland College and Career Readiness Conference Summer 2014
NGSS Practices Ask questions and define solutions Develop and use models Plan and carry out investigations Analyze and interpret data Use math and computational thinking Construct explanations and design solutions • Engage in argument from evidence • Obtaining, evaluating, and communicating information • • •
Outcomes • Identify the role of explanation and argument in building science literacy in the classroom. • Identify the progressions of explanation and argument K-12. • Identify the challenges and scaffolding to support student construction of explanations and arguments in the classroom. • Review student work to identify levels of student response in constructing explanations and arguments.
The Role of Explanation and Argument in Science In science, the production of knowledge is dependent on a process of reasoning from evidence that requires a scientist to justify a claim about the world. (explanation) In response, other scientists attempt to identify the claim’s weaknesses and limitations to obtain the best possible explanation. (argument)
Explanation – the Building Blocks of Science
Warm Up What do you think will be the hardest about incorporating explanation into your instruction? A. Finding places in the curriculum where it would make sense to include it. B. Developing questions that focus students on using evidence to construct explanations. C. Supporting students in classroom discussion. D. Supporting students in writing explanations or constructing solutions.
Asking students to demonstrate their own understanding of the implications of a scientific ideas by developing their own explanations of phenomena, whether based on observations they have made or models and designs they have developed, engages them in an essential part of the process by which conceptual change can occur. NGSS Appendix F
What Does Explanation Look Like In the Classroom
Engaging in Explanation Writing in the Science Classroom Writing Task Explain how change to the biological component of the Everglades ecosystem by the Burmese Python affected the populations of native animals. Use evidence from the text to support your answer.
Turn and Talk at Your Table What components you would expect to see in a student response in the writing task for explanation?
Components of Explanation
The Explanation Framework
Explanations in Science “An explanation includes a claim that relates how a variable(s) relates to another variable or set of variables. A claim is often made in response to a question and in the process of answering the question, scientists often design investigations to generate data. ” Explanations rely on evidence and provide the “how” or “why” phenomena occur (reasoning). NGSS Appendix F
The C – E – R Framework Providing support for building an explanation Evidence Claim Reasoning
Claim – Evidence - Reasoning Framework Claim A conclusion that answers the question about a phenomena or a solution to a problem. § A statement of what you understand or a conclusion that you have reached from an investigation(s) or text(s) you have read. §
Claim – Evidence - Reasoning Framework Evidence Scientific data that supports the student’s claim. • Must be appropriate and sufficient • Can come from an investigation or other source that may include v. Observations v. Information found in texts v. Archived data v. Information from an expert
Claim – Evidence - Reasoning Framework Scientific Reasoning Justification that links the claim and evidence. Shows why the data counts as evidence to support the claim, using appropriate scientific principles.
Looking at Student Work
Criteria for Evaluating Student Work
Turn and Talk at Your Table Review the student explanation examples for the Invasive Pythons article and task. Evaluate examples using the Criteria for the Components of an Explanation.
Explanation and the Standards
NGSS Practice 6 Constructing Explanation and Design Solutions
Turn and Talk Identify elements of C-E-R Framework in the NGSS Practice of Explanation. Identify the developmental progression in explanation from the K-1 grade band to 9 -12 grade band.
MCC-R Standards for Writing in Literacy for Explanation in Science/Technical Subjects
Common Core Standards Connections with NGSS http: //standards. nsta. org/Display. Standard. aspx? view=topic&id=31
Turn and Talk § Compare the writing standard for explanation in MCC-R Standards for Literacy in Science/Technical Subjects to the Practice of Explanation in NGSS. § What are the implication for explanation in the science classroom when considering MCC_R Standards and NGSS?
Examples of NGSS Performance Expectations Elementary 4: Use evidence to construct an explanation relating the speed of an object to the energy of that object. Middle: Construct a scientific explanation based on evidence from rock strata for how the geologic time scale is used to organize Earth’s 4. 6 billion-year-old-history. High: Use mathematical representations to support a claim regarding relationships among the frequency wavelength, and speed of waves traveling in various media. NGSS Core Ideas – Performance Expectations
What are the challenges for students when constructing explanations or designing solutions?
The Challenge …. one challenge across all the science investigations was students’ ability to make sense of data and construct scientific explanations in which they justified their claims. Students were engaged in the investigations, but is was the meaning-making piece after the investigations that was challenging. Supporting Grade 5 -8 Students in Constructing Explanations in Science, Mc. Neill and Krajcik
Student Challenges § § § Using evidence to support their ideas Ø relies on their own opinions Ø has difficulty using sufficient evidence Explaining why the evidence supports their ideas (justification/reasoning) Ø has difficulty articulating this link and/or using scientific principles Considering multiple explanations or solutions Ø has difficulty revising explanations and solutions based on evidence or scientific knowledge.
How do teachers support students in constructing explanations?
Scaffold the Process § § Explicitly define the elements of the C-E-R Framework Provide an organizer Connect to everyday examples Provide opportunities for oral discourse of claim, evidence and reasoning before writing § Use teacher questioning or feedback during oral presentation § Model and critique examples § Engage students in peer critique § Provide students with feedback
Scaffold the Process Practices: Construct explanations Writing Task: Explain how change to the biological component of the Everglades ecosystem by the Burmese Python affected populations. Use evidence from the text to support your answer.
Scaffold the Process: Provide an organizer As students use models to analyze and interpret data, organizers can be used to compile information to be used for explanation.
Scaffold the process: Provide opportunities for oral discourse Discuss the predator-prey relationship below with your group.
Importance of Scientific Explanations Supports understanding of scientific content Supports 21 st Century skills Requires evidence to support claims Involves logical reasoning Models key practices of scientists and engineers Supports the understanding of the Nature of Science Taking Science to School Supporting Grades 5 -8 Students in Constructing Explanation.
Argument in the Science Classroom
Warm Up What do you think will be the most challenging about incorporating argumentation into your instruction? A. Students use evidence to support argument. B. Students providing alternative explanations. C. Students being respectful of other students’ ideas. D. Supporting student development of writing arguments.
What is an argument? An argument is the process of defending those explanations by carefully ruling out other alternative explanations and building the case that the data collected is sufficient and appropriate to serve as evidence.
Argument From NGSS In science, the production of knowledge is dependent on a process of reasoning from evidence that requires a scientist to justify a claim about the world. In response, other scientists attempt to identify the claim’s weakness and limitations to obtain the best possible explanation.
What does it mean to engage in argument? Scientists engage in argument to § defend claims using evidence and reasoning § defend models using evidence § critique the claims of other scientists.
From Explanation to Argument Explanation Make sense of how or why a phenomenon occurred. Explain why the biodiversity decreased. Explain the design process used to test a solution for reducing the impacts of human activities on biodiversity. Argument Defend or support knowledge claims through evidence and reasoning Argue for your explanation for why the biodiversity decreased. Argue for your experimental design to study the patterns in biodiversity.
What Does Argument Look Like In the Classroom
Argument in the Classroom Student Oral Discourse Arguments made by others • Written • Videos Student Written Argument
The Argument Framework
Developing the Argument
Looking at Student Work
Turn and Talk at Your Table Evaluate examples of student work using the Argument Framework. § Identify the elements of the argument. üClaims üEvidence üCounterclaims üRebuttal
Performance Expectations in NGSS Argument Middle School Construct , use, and present arguments to support the claim that when the motion energy of an object changes, energy is transferred to or from the object. (MS-PS 3 -5) High School Construct an argument based on evidence about the simultaneous coevolution of Earth’s systems and life on Earth (HS-ESS 2 -7
Argument and the Standards
NGSS K-12 Progression for Argument
Turn and Talk at Your Table How does argument progress K-12? What are the different ways students are expected to interact with arguments to strengthen their understanding of core ideas or the design process?
Progression of an Argument Greater Sophistication
By grade 12, students should be able to: Construct a scientific argument showing how data support a claim. Identify possible weaknesses in scientific arguments, appropriate to the students’ level of knowledge, and discuss them using reasoning and evidence. Identify flaws in their own arguments and modify and improve them in response to criticism. Recognize the major features of scientific arguments. Read media reports of science or technology in a critical manner so as to identify their strengths and weaknesses.
MCC-R Standards for Writing in Literacy for Argument in Science/Technical Subjects
Disciplinary Literacy Writing Standards for Argument How do the Standards for Argument in Literacy support the Practice of Argument in NGSS? How are they different? What are the implications for classroom instruction?
What are the Challenges?
Student Challenges Using evidence to support ideas Relies on own opinion Difficulty using sufficient or appropriate evidence Explaining why their evidence supports their ideas (Reasoning) Can have difficulty articulating link between evidence and claim Can have difficulty articulating link between ideas, evidence and scientific principles Considering alternative claims Can focus on one idea Ownership of own idea Taking into consideration viewpoints of others
What strategies can be used to support argumentation?
Strategies to Support Argument Build a strong foundation for explanation first Ø (Claim, Evidence, Reasoning) Make the Argument Framework explicit Provide examples and models Include debate or oral discourse (thinking made visible) before independent writing. Provide various scaffolds Provide opportunities to critique arguments of others Provide feedback (teacher and peer critique) for rewrite
Importance of Argument Supports student’s understanding of disciplinary core ideas of science and cross cutting themes. Using evidence to construct and critique explanations/ arguments is a 21 st century skill that can be used across disciplines and outside of the school setting. Promotes literacy development. Helps students build an understanding of the nature of science. Allows students to critically examine claims made in the media.
Argument in the classroom encourages students to negotiate meaning both privately and publically, creating a learning environment that is rich in opportunities for learning.
Summary
Summary Write 3 – 5 “power words” to summarize your understanding of Explanation Argument
We have. . . ü Identified the role of explanation and argument in building science literacy in the classroom. ü Discussed the progressions of explanation and arguments K-12. ü Identified the challenges and scaffolding to support student construction of explanations and arguments in the classroom. ü Reviewed student work to identify levels of student response in constructing explanations and arguments.
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