Across
- 4. when the Moon moves directly between the Sun and Earth and casts a shadow on Earth
- 7. is an area in which the time is the same
- 8. are the dark-colored, flat, lava-filled regions on the Moon’s surface
- 10. is defined as the plane of Earth’s orbit around the Sun
- 11. a layer of dusty lunar material
- 12. a round, three-dimensional object
Down
- 1. when Earth’s rotational axis is tilted directly toward the Sun or away from the Sun
- 2. the spinning of Earth on its axis
- 3. is the motion of Earth in an elliptical orbit around the Sun
- 5. an elongated, closed curve with two foci
- 6. when Earth passes between the Sun and the Moon and casts a shadow on the Moon
- 9. a rise or fall in the ocean surface
- 13. the number of daylight hours and the number of nighttime hours are nearly the same all over the world