HL / SL
Paper 1A — MCQ
Multiple choice questions. Quick recall and application checks.
Calculator required.
The whole path, before you pay.
HL / SL01Topic A - Space, time and motion
02Topic B - The particulate nature of matter
- B.1 Thermal energy transfersHL / SL
- B.2 Greenhouse effectHL / SL
- B.3 Gas lawsHL / SL
- B.4 Thermodynamics (HL only)HL
- B.5 Current and circuitsHL / SL
03Topic C - Wave behaviour
- C.1 Simple harmonic motionHL / SL
- C.2 Wave modelHL / SL
- C.3 Wave phenomenaHL / SL
- C.4 Standing waves and resonanceHL / SL
- C.5 Doppler effectHL / SL
04Topic D - Fields
05Topic E - Nuclear and quantum physics
- E.1 Structure of the atomHL / SL
- E.2 Quantum physics (HL only)HL
- E.3 Radioactive decayHL / SL
- E.4 FissionHL / SL
- E.5 Fusion and starsHL / SL
How the exam is actually built.
The examHL / SL
Paper 1B — Data-based
Questions built around graphs, tables, and experimental data.
Calculator required.
HL / SL
Paper 2 — Short + Extended
Short-answer and extended-response questions.
Calculator required.
No account needed.
Try itTry a card.
Internal Energy in the Three States of Matter (1/2)
The balance between kinetic and potential energy within a substance's internal energy changes dramatically between the three states of matter.
