physics booster

• What are the three roles of an explorer mentioned in the material?

  Scholar, Leader, Collaborator
• What are the outcomes for the Physics Paper 1 Booster Session?

  • Familiarise with equation sheet locations
  • Key maths skills (30% of paper)
  • Review common mistakes from topics
  • Practice questions
  • Ask questions
• What topics are covered on the front page of the equation sheet?

  Energy, electricity, and density
• Why is it important to practice finding equations on the equation sheet?

  To save time during the exam
• Which equation links energy transferred, charge flow, and potential difference?

  E = QV
• What is the equation for Ohm’s law?

  V = IR
• Which equation is used to calculate the density of an object?

  ρ = m/V
• What equation is used for specific heat capacity questions?

  E = mcΔθ
• Which equation calculates the height of an object above the ground?

  Ep = mgh
• How do you rearrange the equation Ep = mgh to calculate height?

  h = Ep/(mg)
• Which equation links elastic potential energy, spring constant, and extension?

  Ee = ½ k e²
• How do you rearrange the equation Ee = ½ k e² to calculate the spring constant?

  k = 2Ee/e²
• Which equation is used to measure kinetic energy?

  Ek = ½ mv²
• How do you rearrange the equation Ek = ½ mv² to calculate velocity?

  v = √(2Ek/m)
• What is uncertainty in measurements?

  • Amount of error in measurements
  • Results vary due to random error
  • Can be reduced by taking repeat readings
• What is a systematic error?

  Consistent error due to method issues
• What is the resolution of a measuring instrument?

  Smallest change it can detect
• How can you calibrate measuring equipment?

  By measuring a known true value
• What causes a zero error in apparatus?

  Not zeroing before use
• How do you deal with uncertainties in results?

  • Calculate mean from repeated results
  • Consider the range (largest - smallest)
  • Exclude anomalous results
• What units should be used for length, energy, and current?

  Length in meters, energy in Joules, current in Amps
• How do you convert between units?

  By multiplication or division
• What is the conversion for 200g in kilograms?

  0.2 kg
• How do you move from smaller to larger units?

  Divide by the conversion factor
• What should you do when calculating the mean of a set of numbers?

  Show your working out clearly
• What is the recommended practice for significant figures in answers?

  Round only if specifically asked
• What should you include when presenting calculations in an exam?

  • Formula used
  • Working out steps
  • Final answer with units
• What are the key skills for graphing in physics?

  • Use a sharp pencil
  • Label axes correctly
  • Include units
  • Plot data accurately
  • Draw a line of best fit
• How should you describe relationships in graph questions?

  State how x-axis affects y-axis
• What does directly proportional mean in graphing?

  Straight line through the origin
• How do you calculate the gradient of a graph?

  Change in y-axis/change in x-axis
• What should you do when calculating the gradient of a curve?

  Draw a tangent at the point
• What does "easing rate" refer to?

  It is inversely proportional.
• What are the four roles of an explorer?


  • Scholar
  • Leader
  • Collaborator
  • Explorer
• Why is the gradient of a graph useful in physics?

  It provides extra information about the graph.
• What does the gradient formula represent?

  $\text{gradient} =$$\frac{\text{change in y-axis}}{\text{change in x-axis}}$
• How should you calculate a gradient on a graph?

  Use more than half of the graph.
• What is the method to find the gradient of a curve?

  Draw a tangent at the point of interest.
• What is energy defined as?

  The ability to do work.
• What is the unit of energy?

  Joules (J)