Grade 12 · Year 13 · Ages 17–18
Grade 12 Science
Grade 12 science (high-school level): organic chemistry and equilibrium, biodiversity and pollution, mains electricity and electromagnetism, momentum and gas pressure, nuclear physics and the universe.
Each lesson practised, unit test passed and the final exam count as steps.
Units
Unit 1: Organic chemistry and equilibrium
Cracking and alkenes, polymers, and reversible reactions.
- Cracking, alkenes and alcoholsDone
- Polymers and life's moleculesDone
- Reversible reactions and equilibriumDone
Unit test · 12 questionsPassedUnit 2: Biodiversity, pollution and cells
Conservation, air pollution and water, chemical and fuel cells, and experimental design.
- Biodiversity and conservationDone
- Air pollution and Earth's resourcesDone
- Chemical cells and fuel cellsDone
- Designing experimentsDone
Unit test · 12 questionsPassedUnit 3: Mains electricity and electromagnetism
Mains supply and power, the motor effect, and induction and transformers.
Unit test · 12 questionsPassedUnit 4: Nuclear physics and the universe
Half-life, uses of radiation and fission, the life of stars, the Big Bang and processing data.
- Half-life, contamination and irradiationDone
- Uses of radiation, fission and fusionDone
- The life cycle of starsDone
- Red-shift and the Big BangDone
- Processing dataDone
Unit test · 12 questionsPassedUnit 5: Momentum, gases and graphs
Momentum and collisions, gas pressure, and interpreting graphs.
Unit test · 12 questionsPassed
Final exam
Passed40 questions from every unit, 60 minutes. Take it online or print the paper.