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Natural & Social Science Revision

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  • A weather instrument used to measure temperature.
    thermometer
  • All the gases that surround a planet.
    Atmosphere
  • Which organs make up the respiratory system ?
    Lungs, mouth and nose.
  • All the air that surrounds the Earth.
    Atmosphere
  • A weather instrument used to show wind direction.
    Wind Vane
  • It is the gas that forms 21% of the air on Earth and is needed by animals and plants to live.
    Oxygen
  • All the water under and above the Earth.
    Hydrosphere
  • What are the three layers of the Earth ?
    Geosphere, Hydrosphere, Atmosphere
  • It is the closest layer of the atmosphere to the Earth. Weather occurs in this layer.
    Troposphere
  • This gas forms only 0.04% of the air. It is formed when people or animals breathe out.
    Carbon Dioxide
  • Which organs make up the digestive system ?
    Mouth, stomach and intestine.
  • What does joint mean?
    Joints are the areas where 2 or more bones meet.
  • All the land on Earth.
    Geosphere
  • What are the three parts of the circulatory system ?
    Arteries, veins and heart.
  • What does the circulatory system do?
    It moves blood around our body.
  • Where can we find our knuckles?
    We can find our knuckles in our hands and feet.
  • Blood gives our body nutrients and _________.
    Oxygen.
  • It is the second closest layer of the atmosphere to the Earth. It protects us from most of the objects that fall from space, such as meteorites.
    Stratosphere
  • What does torso mean ?
    The torso is the central part of our body.
  • __________ makes up 78% of the air.
    Nitrogen
  • A weather instrument used to measure rainfall.
    Rain gauge
  • The ___________ protects us from most of the objects that fall from space, such as meteorites.
    Mesosphere
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