One-page diagnostic handout: 6 research-based velocity traps with x–t graph illustrations, plus 5 multiple-choice hinge questions with answer key. Ready to print and use. This single A4 resource targets the most common exam mistakes students make when working with average and instantaneous velocity on position–time graphs. Designed for IB Physics (Topic 2.1), AP Physics 1 (Unit 1), A-Level Mechanics, and GCSE Motion. Works as a lesson starter, revision prompt, or formative assessment tool — no preparation needed. The top half presents six traps: Wrong Line Drawn (chord vs tangent confusion), “From” vs “At” (how one word in the question decides which line to draw), the 4.5 Trap (why you cannot average speeds arithmetically when times differ), Negative = Slowing Down (sign tells direction, not whether speed is changing), the Straight Line Special (the one case where average equals instantaneous), and Turning Point Velocity (maximum position does not mean maximum velocity). Each trap card includes a mini x–t graph, the specific student error in red, and the corrective insight in green. The bottom half provides five targeted hinge questions, each mapped to a specific trap. Use them as a quick vote-and-reveal activity (2–3 minutes) to diagnose which misconceptions persist in your class. Options are laid out in two columns for easy reading. Answer key included at the bottom. Grounded in physics education research (Arons, Knight, Trowbridge & McDermott) on persistent kinematics misconceptions. Created by FundaFirst HS — research-backed physics misconception diagnostics for international schools. A free 25-question motion diagnostic is available at fundafirsths.com.

One-page diagnostic handout: 6 research-based position-time graph misconceptions with visual x–t examples, plus 5 multiple-choice hinge questions with answer key. Ready to print and use. This single A4 resource is designed for IB Physics (Topic 2.1), AP Physics 1 (Unit 1), A-Level Mechanics, and GCSE Motion. It works as a lesson starter, revision prompt, or formative assessment tool — no preparation needed. The top half presents six common traps students fall into when interpreting x–t graphs: the “Hill” Illusion (confusing graph shape with physical path), the Horizontal Line (thinking nothing is happening), the Vertical Line (not recognising infinite speed), the Teleportation Jump (accepting discontinuities), the Hidden Scales (judging speed by visual angle instead of axis values), and the Sharp Corner (missing the infinite acceleration implication). Each trap card includes a mini graph illustration, the specific student error in red, and the corrective insight in green. The bottom half provides five targeted hinge questions, each mapped to a specific trap. Use them as a quick vote-and-reveal activity (2–3 minutes) to diagnose which misconceptions persist in your class. Options are laid out in two columns for easy reading. Answer key included at the bottom. Grounded in physics education research (Arons, Knight, Trowbridge & McDermott) on persistent kinematics misconceptions. Created by FundaFirst HS — research-backed physics misconception diagnostics for international schools. A free 25-question motion diagnostic is available at fundafirsths.com.

The 8 most common kinematics mistakes students make on motion graph questions — and how to diagnose them before the exam does. Based on physics education research (Arons, Knight, Chabay & Sherwood), each trap includes: what the student typically says, what it reveals about their thinking, what to look for in their work, and how to fix it. Covers position-time graphs, velocity-time graphs, displacement vs distance, average vs instantaneous velocity, chord vs tangent confusion, and more. Designed as a teacher diagnostic tool — use it to identify conceptual gaps before mock exams. Includes a student self-check checklist. Suitable for IB Physics (Topic 2.1), AP Physics 1 (Unit 1), A-Level Mechanics, GCSE and IGCSE Motion. Free to share with colleagues.