TidesTides

•What effect does the Sun and What effect does the Sun and moon have on the ocean’s moon have on the ocean’s tides?tides?

TIDESTIDES

Tides are daily Tides are daily movements of movements of ocean water ocean water that change that change the level of the level of the ocean’s the ocean’s surface.surface.

What causes tides to What causes tides to occur?occur?

The The gravitational pullgravitational pull the the moonmoon has on the earth has on the earth causes high and low tides. causes high and low tides.

High tidesHigh tides occur on the sides occur on the sides of the Earth that are closest to of the Earth that are closest to the moon and farthest away.the moon and farthest away.

Low tidesLow tides occur on the two occur on the two sides of the Earth that are at a sides of the Earth that are at a 90 degree angle to the moon.90 degree angle to the moon.

DRAW THE DIAGRAM DRAW THE DIAGRAM BELOWBELOW

Spring Tides occur when the Spring Tides occur when the sun, earth, and moon form a sun, earth, and moon form a straight line.straight line.

What phases of the moon What phases of the moon will occur during the spring will occur during the spring tides?tides?

Neap tides occur when the Neap tides occur when the sun, earth, and moon form a sun, earth, and moon form a right angle.right angle.

What phases of the moon What phases of the moon will occur during the neap will occur during the neap tides?tides?

What type of tide will occur in this picture?

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• During a full moon what type of tide During a full moon what type of tide occurs?occurs?

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• During a quarter moon what type of During a quarter moon what type of tide will occur?tide will occur?

Can you answer the Can you answer the objective?objective?

•What effect does the What effect does the Earth and moon have on Earth and moon have on the ocean’s tides?the ocean’s tides?

SEASONSSEASONS

Objective

•How do the positions of the How do the positions of the Earth and Sun effect the four Earth and Sun effect the four seasons?seasons?

The The tilttilt of of Earth as it orbits Earth as it orbits around the sun around the sun

causes the causes the different different seasonsseasons!!

Four Seasons:Four Seasons:

SummerSummer

Fall (autumn)Fall (autumn)

WinterWinterSpringSpring

What seasons are occurring in What seasons are occurring in the southern hemisphere??the southern hemisphere??

Summer Solstice

•The longest amount of day light and the shortest night.

Winter Solstice

•The shortest day and the longest night.

Equinox

•During spring & fall

•Even amount of day and night.

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• When the Northern Hemisphere is tilted When the Northern Hemisphere is tilted away from the sun what season will it away from the sun what season will it be?be?

a.a.SummerSummer

b.b.WinterWinter

c.c.Spring Spring

d.d.fallfall

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• What season What season would would

The Northern The Northern Hemisphere be Hemisphere be in this picture?in this picture?

Can you answer the Can you answer the objective?objective?

• How do the positions of the Earth How do the positions of the Earth and sun cause the four seasons?and sun cause the four seasons?