Year 8 revision topics for end of year exam 2014

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Biology

Healthy Living

• Balanced diet, structure and function of the digestive system
• Structure and function of the heart, blood and blood vessels
• Respiration, breathing and gas exchange
• Effects of smoking
• Aerobic an anaerobic respiration including word equations

Diseases

• Diseases, pathogens (bacteria, viruses and fungi)
• How are disease spread?
• The body's first line of defence and antibody production
• Vaccinations

Biology Useful Links

Healthy living:
http://www.bbc.co.uk/bitesize/ks3/science/organisms_behaviour_health/diet_drugs/revision/1/ . Go through the whole list.

Diseases:
http://www.bbc.co.uk/bitesize/ks3/science/organisms_behaviour_health/disease/revision/1/ Go through the whole list.


Chemistry

Separting Mixtures

• Particulate theory of matter (solids, liquds and gases).
• How they change state and how the particles behave

Atoms, Elements and Compounds

• Examples and differences between atoms, elements and compounds
• Mistures including solution (solvent & solute) and separation techniques, charomatography, distillation, filtration,
  evaporation
• Periodic table: groups and periods
• Properties of metals and non-metals
• Chemical reactions, chemical symbols and simple formulae and word equations, oxidation, combusiton and
  rusting
• Conservation of mass in a chemical reaction
  

Useful Chemistry Links

Particle theory:
http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/particle_model/revision/1/ Go through the whole list.

Atoms, elements, and compounds
http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/atoms_elements/revision/1/ Go through the whole list.

Compounds and mixtures:
http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/compounds_mixtures/revision/2/

Atoms and molecules: 
http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/compounds_mixtures/revision/3/

Mixtures:
http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/compounds_mixtures/revision/7/

Separating mixtures:
http://www.bbc.co.uk/bitesize/ks3/science/chemical_material_behaviour/compounds_mixtures/revision/9/

Physics

Magnetism

• Compasses, magnetic fields, electromagnets and their application
• Motor and generator effect
• Sources of electricity, e.g. hydro electric, geothermal, nuclear power and fossil fuels.

Sound and Heat

• Sound an dwaves, pitch, frequency, amplitude, speed of sound
• How the human ear works
• Heat transfer
• Conduction, convection and raciation

Useful Physics Links

Magnetism:
http://www.bbc.co.uk/bitesize/ks3/science/energy_electricity_forces/magnets_electric_effects/revision/1/ Go through the whole list except for electrolysis.

Heat and temperature:
http://www.bbc.co.uk/bitesize/ks3/science/energy_electricity_forces/energy_transfer_storage/revision/4/

Thermal energy transfer:
http://www.bbc.co.uk/bitesize/ks3/science/energy_electricity_forces/energy_transfer_storage/revision/5/


Investigative Skills
Students also should be able to identify/suggest variables in a practical investigation (dependent, independent and controls), analyse data  (draw/read graphs) and draw conclusions based on evidence from data. 

http://www.wisegeek.org/what-are-science-process-skills.htm#didyouknowout