IB Physics

AP / IB · Science

IB Physics tutoring built around the current syllabus structure: Themes A–E (space, time and motion; the particulate nature of matter; wave behaviour; fields; nuclear and quantum physics), the Tools and Inquiry skills that run through them, and the assessment format of Paper 1A, Paper 1B and Paper 2. Sessions work at SL or HL level, with HL-only material such as rigid body mechanics, special relativity, induction and quantisation treated separately from the shared core. Because IB rewards clear reasoning against command terms rather than just a correct final number, sessions spend as much time on how an answer is argued and how uncertainty is handled as on getting the algebra out.

Start a session on IB Physics

What this covers

  • Applying Theme A: kinematics graphs, momentum and impulse, circular motion and orbital energy, plus HL rigid body dynamics and the postulates and consequences of special relativity
  • Working through Theme B thermal physics with the correct distinction between heat, temperature and internal energy, and using the ideal gas law, specific and latent heat quantitatively
  • Field problems in Theme D: gravitational and electric field strength versus potential, the sign of potential and potential energy, escape speed, and (HL) Faraday's and Lenz's laws
  • Nuclear and quantum work in Theme E: binding energy per nucleon, decay laws and half-life, the photoelectric effect, and interpreting energy-level diagrams
  • Uncertainty and data skills for Paper 1B and the IA: absolute versus percentage uncertainty, propagation through products and powers, error bars, and max/min gradient lines to find uncertainty in a slope
  • Reading questions against IB command terms — state, outline, describe, explain, determine, sketch — and structuring extended responses so each mark point is visible
  • Locating and using the correct data booklet equation, including checking the conditions under which it applies

Where learners get stuck

Treating gravitational and electric potential as if they were always positive, and confusing potential with field strength
Both quantities share the same symbols and similar-looking data booklet formulas, differing by a factor of r. Students memorise the equations without tying them to the zero-at-infinity convention, so negative potentials and negative total orbital energy look like arithmetic errors rather than physical statements.
Rounding uncertainties as if they were significant-figure problems, and adding percentage uncertainties when quantities are added
Chemistry and maths habits carry over. The rules are conditional — absolute uncertainties add for sums and differences, percentage uncertainties add for products and quotients, and multiply by the power for exponents — so students who learn one rule apply it everywhere and lose Paper 1B and IA marks.
Saying a hotter object 'contains more heat', or that temperature and internal energy are the same thing
Everyday language treats heat as a substance. IB questions on phase change, where temperature stays constant while energy is transferred, expose the gap immediately, and the same confusion then blocks work on latent heat and gas laws.

What a session looks like

Sessions run as spoken back-and-forth. You describe a problem or paste it in, and Evelyn works through it by asking what quantity is conserved, which theme the question belongs to, and which data booklet relationship applies — rather than reading out a solution. For graph and data questions, you report the values or gradients you have and get checked on your uncertainty treatment. Past-paper style questions are used to practise phrasing answers against the command term, with feedback on which mark points a response would and would not earn. IA support focuses on narrowing a research question, identifying independent, dependent and controlled variables, and planning a data range that gives a meaningful graph — not on writing any part of the report for you.

Helpful to know first

  • Confident algebraic rearrangement, including equations with squares and inverse-square terms
  • Trigonometry and vector resolution into components
  • Logarithms and exponential functions, needed for radioactive decay and log-linearised graphs
  • Reading and plotting graphs, including finding a gradient and interpreting an intercept
  • Standard form and unit prefixes, used constantly with the SI values in the data booklet

Questions

Does this cover HL as well as SL?
Yes. Sessions can stay within the SL core or extend into HL-only content such as rigid body mechanics, special relativity, motional emf and induction, and quantum physics topics, depending on which you are sitting.
Can it help with my Internal Assessment?
It can help you narrow a research question, choose variables and a sensible data range, plan uncertainty estimates, and think through how to evaluate your method. It will not write your report, produce your data, or draft sections for you.
How does voice tutoring work for equations and diagrams?
You describe the setup or share the question text, and work is talked through step by step — naming the quantity, the relationship being used, and the substitution. You do the writing and sketching yourself, which is what the exam requires anyway.
Is it different from AP Physics tutoring?
Yes. The physics overlaps, but IB assessment is structured differently: a data-analysis paper, mandatory uncertainty treatment, a provided data booklet, command-term-driven marking, and the Internal Assessment. Sessions are built around those.

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