Across
- 2. A phase of the moon that appears more than half illuminated but less than full.
- 3. The different shapes the moon appears to take on in its monthly orbit around the Earth, including new moon, crescent moon, quarter moon, gibbous moon, and full moon.
- 4. The four divisions of the year marked by changing weather patterns and the length of daylight, caused by the tilt of the Earth's axis as it revolves around the sun.
- 8. The periodic rising and falling of the Earth's ocean surface caused by the gravitational pull of the moon and the sun.
- 10. A phase of the moon in which a small, curved portion of it is visible.
- 11. The movement of one object around another, such as the Earth's orbital movement around the sun.
- 13. The third planet from the sun in our solar system, on which we live. It is home to a wide variety of living organisms.
Down
- 1. A celestial event that occurs when the moon passes between the sun and the Earth, blocking the sunlight and casting a shadow on the Earth's surface.
- 3. The natural satellite of the Earth that orbits around it. It reflects sunlight and appears to change shape during its different phases.
- 5. The vast, seemingly infinite expanse that exists beyond the Earth's atmosphere, containing planets, stars, galaxies, and other celestial objects.
- 6. A celestial event that occurs when the Earth passes directly between the sun and the moon, casting a shadow on the moon and causing it to darken.
- 7. The spinning of an object around its axis, such as the Earth's rotation on its axis, which causes day and night.
- 9. The star at the center of our solar system, around which the Earth and other planets revolve. It provides heat and light to Earth.
- 12. The force of attraction that exists between any two objects with mass. It is responsible for keeping objects, like planets and moons, in orbit.