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AP Chemistry Exam Design

AP Chemistry Exam Design. What’s The Big IDEA????. Big Idea 1 : The chemical elements are fundamental building materials of matter, and all matter can be understood in terms of arrangements of atoms. These atoms retain their identity in chemical reactions.

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AP Chemistry Exam Design

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  1. AP Chemistry Exam Design

  2. What’s The Big IDEA???? Big Idea 1: The chemical elements are fundamental building materials of matter, and all matter can be understood in terms of arrangements of atoms. These atoms retain their identity in chemical reactions. Big Idea 2: Chemical and physical properties of materials can be explained by the structure and the arrangement of atoms, ions, or molecules and the forces between them. Big Idea 3: Changes in matter involve the rearrangement and/or reorganization of atoms and/or the transfer of electrons. Big Idea 4: Rates of chemical reactions are determined by details of the molecular collisions. Big Idea 5: The laws of thermodynamics describe the essential role of energy and explain and predict the direction of changes in matter. Big Idea 6: Any bond or intermolecular attraction that can be formed can be broken. These two processes are in a dynamic competition, sensitive to initial conditions and external perturbations.

  3. AP Chemistry Recommended Exam Design

  4. AP Chemistry Recommended Exam Design: Form Changes • No more standard reduction potential table • Data needed will be given inside the stimulus of the problem • New streamlined formula chart (with constants) • For use during entire exam • New content such as PES data, mass spec data, and reasoning with particulate level diagrams

  5. Existing and Upcoming: AP Chemistry Exam (MCQs) Existing • Tied to a percentage of the four content topics • 75 Multiple Choice Questions • Five answer choices Upcoming • Directly tied to a single or combination of the learning objectives within the curriculum framework • 60 Multiple Choice Questions • Discrete and sets of assessment items • Four answer choices

  6. What’s Out: Content Wise

  7. What’s Out: Content Wise

  8. What’s Out: Content Wise

  9. What’s Out: Content Wise

  10. What’s Out: Question Type

  11. What’s Out: Content & Question Type Correct statements about alpha particles include which of the following? I. They have a mass number of 4 and a charge of +2. II. They are more penetrating than beta particles. III. They are helium nuclei. (A) I only (B) III only (C)I and II (D) I and III (E) II and III

  12. What’s In: Particulate View E X A M P L E

  13. What’s In: Particulate View E X A M P L E

  14. What’s In: Particulate View E X A M P L E

  15. What’s In: Particulate View E X A M P L E

  16. What’s In: E X A M P L E

  17. What’s In: Assessing Deeply Using Question Sets E X A M P L E

  18. What’s In: Providing Needed Data in the Stimulus E X A M P L E

  19. Existing and Upcoming: AP Chemistry Exam (FRQs) Existing • 6 FRQs • Quantitative: 3 multipart questions (1 of which is always equilibrium) • Non-quantitative: 2 multipart questions • Writing balanced equations: 1 multi-part question on writing balanced equations for three different sets of reactants • *Lab: The lab question could be quantitative or not. Upcoming • 7 FRQs (3 multi-part, 4 single/multi-part) • All Big Ideas represented • Directly tied to the content and science practices in the learning objectives and focusing on: • Engaging in experimental design • Analysis of authentic lab data/observations to identify patterns or explain phenomena • Creating or analyzing atomic/molecular views to explain observations • Translation between representations • Quantitative: Following a logical/analytical pathway to solve a problem

  20. Free Response Question (FRQ)-What’s Out: Type and Content • FRQ #1 will not necessarily be an equilibrium question, as it has always been in the old style of exam. • However, equilibrium is still of utmost importance! • There will not be a predicting reactions question like the standard FRQ #4.   • However, reaction types and patterns for prediction are still being integrated into exam questions!

  21. Free Response Questions: Lab Analysis You can see how reaction types are now embedded in the FRQs instead of being assessed in question 4 of the legacy exam.

  22. Free Response Questions: Experimental Design You can see how students are being directly assessed on lab design.

  23. Free Response Questions: Experimental Design

  24. Free Response Questions: Mathematical Routines Quantitative skills are still an integral part of the assessment.

  25. Free Response Questions: Mathematical Routines

  26. Free Response Questions: Representations Student representations of the particulate nature of matter will be assessed.

  27. Questions? Comments?

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