Earth movement

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Across
  1. 2. The smallest planet in our solar system.
  2. 5. An imaginary line around the middle of earth
  3. 6. Small, rocky objects that orbit the Sun.
  4. 7. A scientist who studies space
  5. 8. The curved path the earth undertakes around the sun.
Down
  1. 1. The earth's movement around the sun is called ________.
  2. 3. The largest planet in our solar system.
  3. 4. The earth's movement around its axis is called ________.
  4. 7. An imaginary line that goes through earth