What Causes the Seasons to Change?

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Across
  1. 4. Earth's _______ is tilted
  2. 6. The sun shines directly on the northern hemisphere and indirectly on the southern hemisphere
  3. 7. The axis is always facing the same __________
  4. 8. After winter, the sun shines equally on both hemispheres
Down
  1. 1. When it is winter in Maryland, the sun is not directly hitting the ________ hemisphere
  2. 2. After summer, the sun shines equally on both hemispheres
  3. 3. The sun shines directly on the southern hemisphere and indirectly on the northern hemisphere
  4. 5. The imaginary line around the middle of Earth