Sun, Earth, and Moon

gravity

orbit

revolution

rotation

Summer

Winter

Spring

Fall

Summer

Winter

Spring

Fall

the Northern Hemisphere will experience shorter periods of daylight and longer periods of darkness.

the Northern Hemisphere will experience longer periods of daylight and longer periods of darkness.

the Northern Hemisphere will experience longer periods of daylight and shorter periods of darkness.

the Northern Hemisphere will experience shorter periods of daylight and shorter periods of darkness.

summer

spring

winter

fall

June

March

December

September

due to the distance from the Sun

due to its rotation on its axis

due to the speed at which the Earth rotates

due to its tilt as it revolves around the Sun

it depends on the position of the Sun

it depends on how much of the Moon is lit up by the Sun

it depends on how much of the sunlit side of the Moon is facing Earth

it depends on the tilt of the Earth

when the Sun, Earth, and Moon are lined up

when the Moon is perpendicular to the Sun's rays

when the axis of the Earth is perpendicular to the Sun's rays

when the Earth's axis is tilted toward or away from the Sun

when the Sun, Earth, and Moon are lined up

when the Moon is perpendicular to the Sun's rays

when the axis of the Earth is perpendicular to the Sun's rays

when the Earth's axis is tilted toward or away from the Sun