IB DP Physics lesson pack on the SUVAT equations of motion for Topic A.1 Kinematics, SL and HL, first assessment 2025: all four derived from one velocity-time graph, then chosen and applied. Editable worksheet, 32-slide lesson deck, teacher key, worked solutions and a questions-only assessment, supplied as self-contained HTML plus colour and black-and-white PDF.
What students learn
- The lesson opens on a braking puzzle: a cyclist stops just short of a car, and the class votes on how much further back she would need to start braking at twice the speed. Four times, not twice, because stopping distance grows with the square of the speed.
- Students derive all four equations for themselves from a single velocity-time graph: v = u + at from the gradient, s = (u+v)t/2 from the area, and the other two by substitution and elimination.
- A method for selecting the right equation, spotting the one quantity that is neither given nor wanted, then applied to worked examples including a braking car at 108 km h⁻¹. A reversal problem builds sign discipline, where the distance travelled exceeds the magnitude of the displacement.
- A marked-homework question linearizes v^2 = u^2 + 2as: acceleration from the gradient, initial speed from the intercept, with the intercept’s uncertainty taken off its error bar and propagated through a square root.
IB skills (Tool 3: Mathematics), all practised:
- Derive relationships algebraically.
- Select and manipulate equations.
- Linearize a graph and interpret its gradient and intercept.
- Interpret an uncertainty bar and propagate an uncertainty.
What’s included:
- Student Worksheet - 11 pages
- Teacher Key
- Worked Solutions
- Assessment
- Lesson deck - 32 slides
One-dimensional horizontal motion only: vertical motion and g, projectiles and non-uniform acceleration are left to the follow-on packs. The pack assumes no earlier lesson. Worksheet and deck open in any modern browser with nothing to install, and the worksheet is fully editable. SI units, IB notation and IB command terms throughout. Suitable for grades 11-12 (ages 16-19) as a lesson, cover lesson, homework or revision.
Part of the A.1 Kinematics Complete Unit Bundle: every pack for the topic, 30% off buying them separately.
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£9.00