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NT SCIENCE SYLLABUS (Gadgets Work Wonders (Electricity (label and…

- - - - KE, EPE, GPE, CPE, TE examples
      - thermal energy is transferred from a region of higher temperature to a region of lower temperature
      - principle of COE
        
        application
      - power = energy transferred and time taken
        
        examples and equation
  - - - wave motion
        
        vibration in ropes and springs
        
        waves transfer energy
        
        frequency, wavelength and amplitude
        
        different types of waves
        
        radiowave
        
        microwave
        
        infra-red
        
        visible light
        
        ultraviolet
        
        xray
  - - - rulers and measuring --> LENGTH
      - digital stopwatches --> TIME
      - explain speed and acceleration
        
        calculate average speed and acceleration
      - plot and interpret a distance time graph
      - force can change the state of rest and motion of a body
      - predict changes in speed and direction when a force acts on an object
      - understand moment of force and give examples
  - - - cells
      - wtiches
      - resistors
      - voltmeters
      - ammeters
      - bells
      - bulbs
      - lamps
      - fuses
    - - current is the same at every point
      - effective resistance increases
      - examples
      - draw circuit
    - - current is equal to the sum of currents at individual branches
      - effective resistance decreases
      - examples
      - draw circuit
    - - damaged insulation
      - overheating of cables
      - poor or loose connections
  - - - examples
    - - examples
- - - - litmus paper
      - universal indicator
      - pH meter
    - - effects on food chain
    - - increases in world population
      - limitations in space to grow food
    - - improving plant and animal varieties
      - intensive production methods for crops, fish and farm animals
  - - - dissolving
      - filtration
      - evaporation
      - distillation
      - paper chromatography
    - - decay
      - cooking
      - burning
      - rusting
    - - homemade pH indicator
      - litmus paper
      - universal indicator
      - pH meter
    - - metals (cooking utensils)
      - bases (Antacids)
      - carbonates (baking soda)
    - - toothpaste
      - fabric softener
      - hair conditioner
      - controlling pH in soil
  - - - carbohydrates
      - proteins
      - fats
      - vitamins
      - mineral salts
      - fibre
      - water
    - - starch (iodine test)
      - protein (biuret's test)
      - oil (blot test)