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Year 8 Science EoY test revision

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  • the thing(s) you keep the same in an experiment
    controlled variable
  • an immediate and clear result of something
    direct effect
  • a sign to show danger
    hazard symbol
  • to get bigger
    expand
  • average heart rate when resting
    mean resting heart rate
  • a test where only one thing changes
    fair test
  • air sac in the lung
    alveolus
  • the tube which takes food from the mouth to the stomach
    oesophagus
  • waves like sound
    longitudinal waves
  • a long, hollow object
    tube
  • the thing(s) you measure or observe in an experiment
    dependent variable
  • to find out about something (in an experiment)
    investigate
  • what you think will happen before testing
    prediction
  • how well something works
    effectiveness
  • waves like light that move up and down
    transverse waves
  • muscle for breathing
    diaphragm
  • bones around lungs
    ribs
  • tiny hair-like structures in your airways that help move mucus and clean the airways
    cilia
  • to hurt or damage
    harm
  • part of the digestive system which absorbs the good things from food
    small intestine
  • the thing(s) you change in an experiment
    independent variable
  • windpipe
    trachea
  • how much fat is in something
    fat content
  • how high or low a sound is
    pitch
  • part of the digestive system which absorbs water from waste
    large intestine
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