KS3 Science Biology topics
Every KS3 Science topic for Biology (KS3) — free notes, slides and practice questions. Teach a topic, revise it, or play it as a live class game.
33 topics
- Plant and animal cells26 questions
- Light microscopes26 questions
- Specialised cells26 questions
- Life processes and unicellular organisms26 questions
- Cell organisation26 questions
- Breathing54 questions
- Gas exchange in humans56 questions
- Exercise, asthma and smoking60 questions
- Gas exchange in plants57 questions
- Aerobic and anaerobic respiration60 questions
- Photosynthesis54 questions
- Pollination55 questions
- Fertilisation and seed formation58 questions
- Seed dispersal62 questions
- The skeleton56 questions
- The muscular system49 questions
- Measuring forces exerted by muscles54 questions
- Drugs54 questions
- Human reproductive system57 questions
- The menstrual cycle59 questions
- Pregnancy57 questions
- Nutrition64 questions
- Food energy requirements57 questions
- Digestive system53 questions
- Food tests65 questions
- Food chains and webs63 questions
- Relationships in an ecosystem52 questions
- Assessing ecosystems56 questions
- Bioaccumulation55 questions
- DNA and inheritance56 questions
- Variation54 questions
- Natural selection55 questions
- Extinction55 questions