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Grade 3 Science Review

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  • Write the order of planets in the Solar System in order.
    Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
  • How does a fish breathe?
    using gills
  • Why is only half the Earth lit up?
    It reflects the Sun's light.
  • What layer of the Earth can get as hot as 6000°C?
    core
  • What is the outer core made of?
    liquid metal (iron and nickel)
  • What TWO properties does a metal coin have to make it REFLECT light?
    shiny and smooth
  • How is a kingfisher's beak adapted to eat fish?
    It is large/long with a sharp point
  • How can we describe things that do not have shadows? t_ _ _ _ _ _ _ _ _ _
    transparent
  • How can we describe things that make dark shadows? o_ _ _ _ _
    opaque
  • How long does the Moon take to complete one orbit of the Earth?
    29 days
  • What is happening in the picture?
    The Earth is spinning on its axis
  • What is the name of 'burnt material that leaves a volcano in a cloud'?
    ash
  • What is the outer layer of the Earth called?
    the crust
  • What is an epicentre?
    The area where earthquake damage is the worst. It is directly above the focus point.
  • What does translucent mean?
    An object blocks some light and lets through some light. They leave a bit of a shadow
  • What TWO properties does wood have to make it ABSORB light?
    rough/bumpy and dull
  • How is a pigeon adapted to eat seeds?
    a small and pointed beak cracks open seeds
  • Draw a ray diagram to show how light helps someone see a car. Label the arriving and reflected rays. *EXTRA POINTS*
    diagram