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4th grade - The Earth and the Universe

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    4th grade - The Earth and the Universe
  •   Study   Slideshow
  • The 2 movements of the Earth
    Rotation and Revolution
  •  15
  • The movement that causes day and night
    rotation. The side facing the sun is daytime, the side facing away from the sun is night
  •  10
  • The movement that causes the seasons of the year
    The revolution of the Earth around the sun combined with it's tilt
  •  15
  • The main phases of the Moon
    new moon, first quarter, full moon, last quarter
  •  15
  • What kind of celestial body is the Sun
    A star
  •  10
  • How many phases of the moon are there?
    8
  •  10
  • The number of days that it takes to the moon to orbit the Earth
    27 days
  •  15
  • What is Earth's axis?
    An imaginary line running between the north and south pole that the earth spins around.
  •  15
  • Which direction does the Earth spin?
    The Earth spins counter clockwise.
  •  15
  • What makes the sun rise and set?
    The sun stays in the same place relative to earth. Earth's spinning makes it look like the sun is moving.
  •  15
  • How long does it take for the Earth to revolve around the sun?
    About 365 days. 1 year
  •  15
  • How many seasons are there? What are they?
    4. Spring, summer, fall (autumn), winter.
  •  15
  • What is a shadow?
    A dark spot created when an object blocks the light hitting it.
  •  15
  • When is a shadow long? When is it short?
    A shadow is longer when when the sun is lower in the sky. It is shorter when the sun is higher in the sky. Also the time of year.
  •  15
  • What phase of the moon is it when you can't see the moon?
    A new moon
  •  15
  • What is called when you can see the full circle of the moon?
    A full moon.
  •  15