Grade 8 · Year 9 · Ages 13–14
Grade 8 Science
Grade 8 science: genetics, forces and motion, waves, the periodic table and climate change, and space, with gradients, evaluation and valid conclusions.
5 units17 lessonsFinal exam: 50 minutes
Each lesson practised, unit test passed and the final exam count as steps.
Units
Unit 1: Genetics and variation
Inheritance, DNA and chromosomes, and natural selection.
Unit test · 12 questionsPassedUnit 2: Forces and motion
Speed and graphs, resultant forces, Newton's laws and gradients.
- Speed and distance–time graphsDone
- Balanced and unbalanced forcesDone
- Mass, acceleration and Newton's lawsDone
- Gradients and ratesDone
Unit test · 12 questionsPassedUnit 3: Waves
Wave properties, light and colour, and sound.
Unit test · 12 questionsPassedUnit 4: Elements and climate change
The periodic table, the greenhouse effect and reducing human impact.
Unit test · 12 questionsPassedUnit 5: Space and scientific evidence
Gravity and orbits, the scale of the universe, and evaluating experiments.
- Gravity and orbitsDone
- The scale of the universeDone
- Evaluating experimentsDone
- Drawing valid conclusionsDone
Unit test · 12 questionsPassed
Final exam
Passed36 questions from every unit, 50 minutes. Take it online or print the paper.