• Earth turns on its Earth turns on its axis of rotationaxis of rotation as it orbits the Sun. The as it orbits the Sun. The axis of axis of rotationrotation is an imaginary line is an imaginary line running through the center of running through the center of Earth.Earth.

•Sunlight shines on half of Earth Sunlight shines on half of Earth at any given time, producing at any given time, producing daytime due to the Earth’s daytime due to the Earth’s rotation.rotation.

• A A seasonseason is a is a pattern of pattern of temperature temperature changes and changes and other weather other weather trends over trends over the course of a the course of a year.year.

• The tilt of the Earth’s axis causes The tilt of the Earth’s axis causes the seasons due to changes in the the seasons due to changes in the amount of sunlight which results amount of sunlight which results in changes in temperature.in changes in temperature.

Click the Earth!Click the Earth!

• EquinoxEquinox – sunlight shines equally – sunlight shines equally on the northern and southern on the northern and southern hemispheres.hemispheres.

• SolsticeSolstice – the area of sunlight is – the area of sunlight is at a maximum in one hemisphere at a maximum in one hemisphere and a minimum in the other and a minimum in the other hemisphere.hemisphere.

• Half of the sunlight is in each Half of the sunlight is in each hemisphere.hemisphere.

• The strongest sunlight is on the The strongest sunlight is on the equator.equator.

• Marks the beginning of fall in the Marks the beginning of fall in the Northern Hemisphere and spring Northern Hemisphere and spring in the Southern Hemisphere.in the Southern Hemisphere.

• Less than half of the Northern Less than half of the Northern Hemisphere is in sunlight.Hemisphere is in sunlight.

• The strongest sunlight is south of The strongest sunlight is south of the equator, so the Southern the equator, so the Southern Hemisphere grows warmer.Hemisphere grows warmer.

• Marks the beginning of winter in Marks the beginning of winter in the Northern Hemisphere and the Northern Hemisphere and summer in the Southern summer in the Southern Hemisphere.Hemisphere.

• Half of the sunlight is in each Half of the sunlight is in each hemisphere.hemisphere.

• The strongest sunlight is on the The strongest sunlight is on the equator.equator.

• Marks the beginning of spring in Marks the beginning of spring in the Northern Hemisphere and the Northern Hemisphere and fall in the Southern Hemisphere.fall in the Southern Hemisphere.

• Less than half of the Southern Less than half of the Southern Hemisphere is in sunlight.Hemisphere is in sunlight.

• The strongest sunlight is north The strongest sunlight is north of the equator, so the Northern of the equator, so the Northern Hemisphere grows warmer.Hemisphere grows warmer.

• Marks the beginning of summer Marks the beginning of summer in the Northern Hemisphere and in the Northern Hemisphere and winter in the Southern winter in the Southern Hemisphere.Hemisphere.

• The angle of sunlight affects The angle of sunlight affects temperature. temperature.

• Winter : Sun appears low in the Winter : Sun appears low in the sky (long shadows).sky (long shadows).

• Spring and Fall: Sun appears Spring and Fall: Sun appears higher in the sky (medium higher in the sky (medium shadows).shadows).

• Summer: Sun appears high in the Summer: Sun appears high in the sky (short shadows).sky (short shadows).

• Day length affects temperature.Day length affects temperature.• The longer the days = higher the The longer the days = higher the

temperature.temperature.• The shorter the days = lower the The shorter the days = lower the

temperature.temperature.

• Create a 4 panel foldable of the Create a 4 panel foldable of the Earth’s seasons. Your foldable must Earth’s seasons. Your foldable must include the following:include the following:– Earth’s 4 seasons (winter, spring, Earth’s 4 seasons (winter, spring,

summer, and fall).summer, and fall).– Date at which each season starts for YOU Date at which each season starts for YOU

living in Washington.living in Washington.– Drawing of the Earth in relation to the Drawing of the Earth in relation to the

Sun.Sun.– Labeled picture of what YOU like to do Labeled picture of what YOU like to do

during each particular season.during each particular season.

WinterDate:

SummerDate:

SpringDate:

FallDate:

Your labeled Picture

Your labeled Picture

Your labeled Picture

Your labeled Picture

SUN