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Copy of Eclipses and Tides

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Joyce Gambill

on 19 February 2014

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Transcript of Copy of Eclipses and Tides

Eclipses and Tides
Solar Eclipse
Lunar Eclipse
Total Solar Eclipse
Total Lunar Eclipse
Partial Solar Eclipse
Partial Lunar Eclipse
A- closest to the moon
- moon pulls water on Earth's surface more than it pulls the Earth
B- farthest from the moon
- Earth is being pulled toward the moon, leaving the water behind
rise and fall of water, approximately every 12.5 hours
tides occur because of differences in how much the moon pulls on different parts of Earth
as Earth rotates, high and low tides are created in different areas around the Earth
when the sun, moon and Earth are in a line
the combined forces create an extra high tide and an extra low tide
during a full moon and new moon
The Sun, Earth and Moon create a right angle
lower high tides and higher low tides are produced
during a first quarter and last quarter moon
when an object in space comes between the Sun and a third object and casts a shadow on the object
The Moon passes between Earth and the Sun, blocking the sunlight from reaching Earth
any point in the umbra
light from the Sun is completely blocked by the Moon
the sky is dark
in the penumbra
part of the Sun is visible from Earth
occurs at a full moon when Earth is directly between the Moon and the Sun
when the Moon is in Earth's umbra
when the Moon passes into the penumbra of Earth's shadow
Full transcript