1.1.1 Planning

• The key assessment criteria for planning practical experiments in A-Level Physics include identifying variables
• When identifying objectives, one key question is: What physical quantity or phenomenon
• When selecting equipment, one key factor to consider is its accuracy
• List the steps required to develop a clear, step-by-step procedure for a physics experiment.

  1️⃣ List the key steps in the correct order

  2️⃣ Provide specific instructions for each step

  3️⃣ Outline data collection methods

  4️⃣ Design risk assessment and safety procedures

  5️⃣ Structure the experimental plan logically
• Using weights and pulleys for mechanics is an example of considering suitability
• Unnecessary details should be avoided when describing each step of a procedure.


  True
• Calculating the value of a variable based on other measured quantities is called indirect measurement.
• Data collection methods should align with the experiment's objectives
• Key assessment criteria for planning physics experiments

  1️⃣ Identify variables

  2️⃣ Describe the method

  3️⃣ Identify risks

  4️⃣ Improve the method
• Why is it crucial to articulate the objectives of an experiment clearly?

  To ensure focus
• Clearly defining the objectives will help ensure your experiment is aligned with the assessment criteria
• Match the equipment quality factor with its description:

  Reliability ↔️ Consistency of measurements

  Suitability ↔️ Appropriateness for the experiment

  Safety ↔️ Compliance with safety standards
• What is direct measurement in data collection methods?

  Measuring a variable directly
• What safety precaution should be taken for electrical hazards like electric shocks?

  Use insulated cables
• Steps to structure an experimental plan logically

  1️⃣ List the key steps

  2️⃣ Describe each step concisely

  3️⃣ Consider the logical flow

  4️⃣ Specify measurements or observations

  5️⃣ Indicate safety precautions
• Match the assessment criteria with how the logical plan addresses it:

  Describing the method ↔️ Step-by-step procedure

  Identifying risks ↔️ Specifying safety precautions
• Which criterion is addressed by specifying safety precautions in an experimental plan?

  Identifying risks
• Understanding the assessment criteria is crucial for maximizing success in planning practical experiments.


  True
• Clearly defining objectives helps ensure the experiment aligns with assessment criteria.

  True
• Match the equipment factor with its description:

  Accuracy ↔️ Precision of measurement instruments

  Reliability ↔️ Consistency of measurements over time

  Suitability ↔️ Appropriateness for the experiment

  Safety ↔️ Compliance with safety standards
• The precision of measurement instruments is referred to as accuracy
• Why are protective goggles used in physics experiments?

  For safety
• Measurements or observations must be specified at each step to ensure accuracy
• Direct measurement involves using an instrument to measure a variable directly.


  True
• Mechanical hazards can be mitigated by using protective guards and securing equipment.


  True
• What should students recognize potential risks and describe safety precautions for?

  Identifying risks
• The first step in planning a practical experiment is to identify its objectives
• When defining objectives, one key question is what relationship between variables are you exploring?
• The quality of equipment directly impacts the accuracy of experimental results.


  True
• Steps to develop a clear, step-by-step procedure for a physics experiment:

  1️⃣ List the key steps in the correct order

  2️⃣ Describe each step concisely

  3️⃣ Consider the logical flow

  4️⃣ Specify measurements or observations

  5️⃣ Indicate safety precautions
• Indirect measurement involves using formulas to calculate variable values.


  True
• Mechanical hazards, such as moving parts or falling objects, require the use of protective guards
• What is the first step in structuring an experimental plan logically?

  List the key steps
• A structured experimental plan ensures the procedure is clear and easy to follow


  True
• The logical flow of an experimental plan allows for identifying areas for improvement


  True
• What is the first step in planning a practical experiment according to the material?

  Understand the assessment criteria
• What is the purpose of identifying the experiment's objectives?

  Define the purpose
• Why is selecting suitable equipment and materials important in planning a physics experiment?

  Ensures accuracy and reliability
• Carefully considering equipment factors ensures the experiment delivers desired outcomes.


  True
• Reliability in a measurement instrument means its measurements are consistent over time.


  True