day night seasons

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Across
  1. 2. the length of time for Earth to complete one rotation is 24
  2. 4. the earth orbits around the
  3. 5. the cycle of day and night is because the earth rotates on its
  4. 6. the shape of the orbit when the earth circles the sun is called
  5. 8. the imaginary line that runs through the Earth's north and south poles
Down
  1. 1. what natural satellite orbits around the earth
  2. 3. the spinning of the Earth on its axis
  3. 7. the only known planet to support life