Grade 9 · Year 10 · Ages 14–15
Grade 9 Science
Grade 9 science (high-school level): cell biology, transport and disease, atomic structure and equations, energy, motion, density and the solar system, with data skills.
Each lesson practised, unit test passed and the final exam count as steps.
Units
Unit 1: Cell biology
Cell structure and microscopy, mitosis and stem cells, and diffusion and osmosis.
- Eukaryotic and prokaryotic cellsDone
- Mitosis, the cell cycle and stem cellsDone
- Diffusion, osmosis and active transportDone
Unit test · 12 questionsPassedUnit 2: Circulation, disease and ecology
The heart and blood, pathogens, and sampling communities.
Unit test · 12 questionsPassedUnit 3: Atoms, equations and air
Atomic structure and isotopes, balanced equations, and the atmosphere.
- Atomic structure, isotopes and electron shellsDone
- Balanced equations and conservation of massDone
- The atmosphere now and in the pastDone
Unit test · 12 questionsPassedUnit 4: Energy
Energy stores and calculations, power and efficiency, and energy resources.
- Kinetic, gravitational and elastic energyDone
- Power, efficiency and reducing wasteDone
- Global energy resourcesDone
Unit test · 12 questionsPassedUnit 5: Motion, density and orbits
Velocity and acceleration, density and particles, and the solar system.
- Velocity, acceleration and motion graphsDone
- Density and the particle modelDone
- The solar system and orbitsDone
Unit test · 12 questionsPassedUnit 6: Working scientifically
Hypotheses and variables, processing repeats, and graphs and gradients.
Unit test · 12 questionsPassed
Final exam
Passed40 questions from every unit, 60 minutes. Take it online or print the paper.