Day and night
A full moon
The moon makes one complete revolution around Earth.
Earth makes one complete revolution around the sun.
Earth makes one complete spin on its axis.
The sun makes one complete spin on its axis.
Days and nights
Spring and fall
The sun is closer to the Earth during summer and farther away during winter
The sun shines directly onto the equator all year long
The tilt of the Earth is the primary reason for the seasons
Moon revolves around Earth, Earth revolves around sun
Moon revolves around sun, Earth revolves around Moon
Sun and Moon revolve around Earth
Sun revolves around Moon, Moon revolves around Earth
The Moon moves around the sun
The Moon is smaller when it is farther from Earth causing it to appear to have shadows.
The point of view of the moon changes and Earth sees different amounts of lit and unlit moon.
The Earth casts a shadow across the moon.