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Power up 4 - Unit 5 – Cross-Curricular

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  • What imaginary lines do you know related to Earth? (2)
    Equator and Earth’s axis.
  • How much time does it take for Earth to travel around the sun?
    Earth travels around the sun in one year (365 days).
  • Which hemisphere is warmer in December? Why?
    The southern hemisphere is warmer in December because it tilts towards the sun.
  • What’s does the equator do?
    The equator divides Earth into two hemispheres.
  • Is Earth axis vertical?
    Earth axis isn’t vertical. It tilts on one side.
  • Which hemisphere is colder in December? Why?
    The northern hemisphere is colder in December because it tilts away from the sun.
  • What’s the equator?
    The equator is an imaginary line that goes around Earth.
  • What’s Earth axis?
    Earth’s axis is an imaginary line that passes through the centre of Earth between the North Pole and the South Pole.
  • Why don’t countries on the equator have four seasons?
    Because they’re at the centre of Earth, so they have the same amount of sunlight all year.
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