Across
- 1. The four different times of the year (spring, summer, fall, winter) caused by Earth’s tilt as it orbits the Sun
- 6. The Moon’s changing shapes in the sky over about 29 days as it orbits Earth
- 7. The rise and fall of ocean water levels caused by the Moon’s gravity pulling on Earth
- 8. When the Earth comes between the Sun and the Moon, and the Earth’s shadow falls on the Moon
- 10. A bright star in the sky that stays almost in the same spot and helps people find north
- 11. The leaning or slant of the Earth on its axis as it spins
- 12. An imaginary line that an object, like Earth, spins around
Down
- 2. The highest and lowest tides. They happen when the Sun and Moon pull in the same direction or opposite directions
- 3. Earth's full circle around the Sun takes one year
- 4. Tides that are not very high or low. They happen when the Sun and Moon pull in different directions
- 5. When the Moon moves between the Earth and the Sun, blocking the Sun’s light
- 9. Earth’s spinning on its axis takes 24 hours and causes day and night
