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Year 9 revision

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  • Name the parts of the digestive system
  • Describe how the heat travels
    up, across, down, across and up again
  • What is happening to the magnets in the picture?
    attract
  • The chemical to test for simple sugars is called Benedicts, What has to happen in order for it to work?
    has to be heated
  • What is heat transfer called in a solid
    conduction
  • What is the difference between animal and plant cells?
    vacuole, cell wall and choloroplasts
  • What is a better conductor of heat: metal or wood?
    metal
  • Iodine tests for starch. What colour does it change
    orange/red to blue/black
  • What is the name of the force from an engine?
    thrust
  • What does MRS GREN stand for
    movement, respiration, sensitivity, growth, reproduction, excretion and nutrition
  • Name blood vessels
  • True or false the heart is labelled backwards?
    true
  • Why is an electromagnet good?
    can be turned on and off
  • What is the name of the force that acts down?
    weight
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