Laboratory Assessment Overview
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Questions and Answers

What is the main purpose of grades as seen by instructors?

  • To categorize students into ability groups
  • To reflect student knowledge and understanding (correct)
  • To provide students with a financial incentive
  • To ensure students feel pressure to perform

    • What happens if a student submits work that is not original?

  • They will be asked to redo the assignment without penalty
  • They could be exempted from future penalties
  • They will receive a warning but no penalties
  • They face a grade of zero for that work section (correct)

    • How must you present information you have researched in your work?

  • By paraphrasing and properly acknowledging the original sources (correct)
  • By rewriting the information in the same format as the source
  • By summarizing all sources in a single paragraph
  • By quoting word for word from the sources

    • Which of the following is considered academic misconduct?

    <p>Copying from another student's work</p> Signup and view all the answers

    What is a common penalty for a serious academic offense?

    <p>A grade of zero on the related course element</p> Signup and view all the answers

    Why is it important to reference paraphrased ideas?

    <p>To acknowledge the original source and avoid plagiarism</p> Signup and view all the answers

    What should be avoided when writing a lab report?

    <p>Having any similarities with another student's report</p> Signup and view all the answers

    Students sometimes find it challenging to evaluate the validity of information found online. What can be a consequence of using unethical resources?

    <p>Being subjected to academic penalties as per policy</p> Signup and view all the answers

    What is the importance of submitting the Experimental Procedure Summary (EPS)?

    <p>It is necessary for performing the experiment without the lab manual.</p> Signup and view all the answers

    How long before the scheduled laboratory period must the pre-lab assignment be submitted?

    <p>At least 24 hours before the scheduled lab period.</p> Signup and view all the answers

    What percentage of the total grade does the final exam account for?

    <p>40%</p> Signup and view all the answers

    What is required for each experiment in CHEM 1200?

    <p>A post-lab report prepared for grading.</p> Signup and view all the answers

    What must you be cautious about when submitting the pre-lab assignments?

    <p>You should not submit until you are ready for grading.</p> Signup and view all the answers

    Which of the following formats is acceptable for the Experimental Procedure Summary (EPS)?

    <p>Handwritten in point form, flow charts, or diagrams.</p> Signup and view all the answers

    What should you do if you want to start working on your pre-lab assignment?

    <p>Start working immediately after it becomes active.</p> Signup and view all the answers

    Which core value is NOT part of the academic integrity identified at the University of Waterloo?

    <p>Creativity</p> Signup and view all the answers

    What is the immediate first aid treatment for chemicals that have splashed onto the skin?

    <p>Flush the area with large quantities of tap water</p> Signup and view all the answers

    What should you do if a chemical enters your eye during a laboratory procedure?

    <p>Flush the eye with water for a minimum of 10 minutes</p> Signup and view all the answers

    Which action is NOT recommended when handling chemicals in the laboratory?

    <p>Handling multiple chemicals at once to save time</p> Signup and view all the answers

    In case of a fire alarm in the chemistry lab, what is the first step you should take?

    <p>Turn off all services (gas, electricity, and water) before leaving</p> Signup and view all the answers

    Which of the following is crucial for ensuring safety when working with hazardous materials?

    <p>Being familiar with the locations of emergency equipment</p> Signup and view all the answers

    Who should be informed immediately after flushing a chemical off the skin or out of the eye?

    <p>The instructor or TA</p> Signup and view all the answers

    What is a recommended safety measure when using a fume hood?

    <p>Keep materials at least six inches inside the hood</p> Signup and view all the answers

    Which of the following should be reported immediately to the instructor or TA?

    <p>An accident involving a chemical spill</p> Signup and view all the answers

    What is the correct procedure for adding acid to water?

    <p>Pour acid into water while agitating.</p> Signup and view all the answers

    What should you do if a chemical spill occurs?

    <p>Flush the chemicals off the bottle and notify the instructor.</p> Signup and view all the answers

    Which method is acceptable for sampling a gas by odor?

    <p>Fan some gas toward your nose after filling your lungs with air.</p> Signup and view all the answers

    What is the proper way to dispose of excess chemicals after an experiment?

    <p>Dispose of them in specially provided waste containers.</p> Signup and view all the answers

    Why should unlabelled chemicals not be used?

    <p>They may have different properties than expected.</p> Signup and view all the answers

    What should always be done immediately after using a chemical container?

    <p>Recap or stopper the container immediately.</p> Signup and view all the answers

    How should chipped or broken glassware be disposed of?

    <p>Place it in specially marked 'Glass Waste' containers.</p> Signup and view all the answers

    What is the safest way to heat flammable liquids?

    <p>Use an electric heating mantle or steam bath.</p> Signup and view all the answers

    How many different sizes of Griffin beakers are listed in the equipment list?

    <p>6</p> Signup and view all the answers

    What is the procedure to follow if equipment is missing during the locker check-out?

    <p>Purchase the missing equipment from the storeroom.</p> Signup and view all the answers

    What type of report is required after completing the experiment?

    <p>Modified formal report</p> Signup and view all the answers

    Which piece of equipment is NOT included in the locker equipment list?

    <p>Plastic pipette</p> Signup and view all the answers

    Which of the following techniques is emphasized for review before the laboratory?

    <p>Quantitative transfer</p> Signup and view all the answers

    What will students receive after returning their locker key to the TA?

    <p>A signed check-out slip</p> Signup and view all the answers

    Which equipment listed is primarily used for heating substances?

    <p>Bunsen burner</p> Signup and view all the answers

    Which of the following is NOT one of the learning outcomes for the experiment?

    <p>Ability to perform qualitative analysis</p> Signup and view all the answers

    What characterizes a single displacement reaction?

    <p>Exchange of one component between a compound and an element.</p> Signup and view all the answers

    Which equation correctly represents a double displacement reaction?

    <p>NaCN + HBr → NaBr + HCN</p> Signup and view all the answers

    What is the purpose of calculating percent yield in a chemical reaction?

    <p>To measure how much of the desired product is obtained.</p> Signup and view all the answers

    In the context of green chemistry, what does percent atom economy assess?

    <p>The mass of the desired product in relation to the total mass of reactants.</p> Signup and view all the answers

    Which item is NOT collected using the blue requisition slips from the Storeroom?

    <p>Bunsen burner</p> Signup and view all the answers

    What should first-year students use for all experiments in the chemistry lab?

    <p>De-ionized (DI) water</p> Signup and view all the answers

    Which formula is used to calculate percent yield?

    <p>% yield = actual yield (g) / theoretical yield (g) x 100%</p> Signup and view all the answers

    What is a characteristic of a neutralization reaction?

    <p>Formation of salt and water from an acid and a base.</p> Signup and view all the answers

    Study Notes

    Student Assessment

    • Final Grade Calculation:
      • Skill Development Exercise: 1%
      • Online pre-lab assignments (15 total, equally weighted): 20%
      • Laboratory work (practical): 40%
      • Lab Reports (5 total, equally weighted): 29%
      • Final Exam: 40%
    • Skill Development Exercise (First Day):
      • A hands-on exercise focused on common lab glassware & equipment.
      • Familiarizes students with lab layout & techniques.
      • Completed independently, not in pairs.
      • Assess student readiness for lab work.
      • Lab manual, course materials, and TAs are resources to use.
    • Laboratory Performance Mark:
      • 10% of the total grade.
      • Assesses punctuality, preparedness, lab practices, work ethic, technique, and attitude.
      • The cleanliness of the lab space is also evaluated.
      • Includes consideration of timely arrival, preparedness, efficiency, following safety rules, appropriate use of equipment, and successful collaboration with partners.

    Pre-Laboratory Tasks

    • Pre-lab Assignments (PL):
      • 20% of total grade.
      • Online assignments based on material for upcoming experiments.
      • Address techniques, safety, and background information.
      • Access restricted; completed at least 24 hours before scheduled lab period.
      • Only one submission allowed.
    • Experimental Procedure Summary (EPS):
      • 10% of each report grade.
      • Handwritten, not computer-generated.
      • Includes all necessary information to perform the experiment without lab materials.
      • Format (flowchart, diagram, etc.) is flexible.
      • Graded as part of the lab report.
    • Pre-lab Reports:
      • 29% of total grade.
      • Required for each experiment.
      • Equally weighted (5.8% per report).
      • Report type specified for each experiment in the experiment background.
      • Full specifications in Appendix A.
    • Final Exam:
      • 40% of total grade.
      • Written, scheduled during exam period.
      • Covers all course material.
      • Required for credit in CHEM 1201.
      • Format and content details will be shared during the term.

    Academic Integrity

    • Six core values: Honesty, trust, fairness, respect, responsibility, and courage.
    • Grades: Reflection of knowledge and understanding.
    • Academic misconduct: Subject to disciplinary penalties.
    • Penalties: Zero grade for the related course element and deduction of 5% of the course grade.

    Safety and Handling

    • Safety Orientation/WHMIS Online Course:
      • Complete before lab work.
      • Certificate of completion required for lab access from instructor.
    • Lab Safety Gear:
      • Safety goggles/glasses required.
      • Approved “shielded” or “close-fitted” safety glasses are acceptable.
      • Closed-toe shoes required.
      • Lab coat recommended (not required.)
    • Preventing Accidents/Injury:
      • Carefully follow instructions.
      • Seek clarification.
      • Do not perform unauthorized experiments.
      • Clean spills immediately.
    • Chemical Handling:
      • Familiarize yourself with chemical properties.
      • Use appropriate equipment (fume hoods, etc.).
      • Proper disposal/cleaning of spills or broken glass.
    • Glassware Handling:
      • Identify and handle appropriate glassware.
      • Avoid use of chipped or cracked glassware.
    • Electronic Equipment:
      • Do not immerse electronics in water.
      • Maintain electrical cords from liquids.

    Laboratory Procedures

    • Experiment 1: Reactions of Copper:
      • Details about techniques, like recording data, using balances, measuring accurately, and use of safety equipment, such as fume hoods.
      • Include details about reaction procedures (measurements of chemicals, glassware)
      • Steps are explained, with instructions for recording data, observations, and descriptions.
    • Classification of Reactions and Calculations (% Yield, % Atom economy):
      • Combination reaction
      • Deconposition reaction
      • Displacement reaction
    • Experiment 2: Preparation of a Reaction and Further Steps
      • Details about the preparation for different parts of reactions.
    • Experiment 3: Heating and Filtration
      • Use proper heating techniques.
      • Perform filtrations accurately.
    • Experiment 4: Converting Solutions
      • Conversion procedures and steps
      • Ensure that safety instructions are followed in these steps.

    Locker Assignment

    • Locker Check-In:
      • Students work in pairs.
      • Get key requisition slip.
      • Obtain locker key.
    • Locker Equipment:
      • List provided of materials in locker.

    Where to Get Help

    • Waterloo LEARN:
      • Announcements
      • Piazza discussion boards
    • Teaching Assistants (TAs):
      • Lab report preparation, grading of reports, course material, etc.
    • Course Instructor:
      • Information concerning personal issues or absence from class.

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    Related Documents

    CHEM 1200 Student Assessment PDF

    Description

    This quiz focuses on the student assessment criteria for a laboratory course, outlining how final grades are calculated. It details components such as lab reports, practical work, and skill development exercises aimed at enhancing student readiness for lab activities.

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