Separation techniques/ methods
Filtration
Crystallisation/ evaporation
Simple distillation
Fractional distillation
Paper chromatography
There are two coordination systems in humans The nervous system 2. The endocrine system
What are ions? How are ions formed? Positive ions – cations Negative ions – anions
Blood and its components Red blood cells White blood cells Platelets Plasma
Scientific method has the following steps: Observation Hypothesis Experiment Theory Conclusion
Using Resources: Life cycle assessment & Recycling Ways of reducing the use of resources Advantages of Recycling
