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Lunar Cycle

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Monique Barnes

on 22 October 2012

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Transcript of Lunar Cycle

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli By Sam, Sala, Melanie,
Ayako, and Monique The Lunar Cycle The Cycle From Earth you only ever see one side of the moon, because Earths gravitational force slowed the moons rotation over time Tides The Earths tides are affected by the Lunar Cycle. How are animals affected? Animals are affected differently by the lunar cycle, depending on their rank in the food chain. Facts about the Moon The Moon is slowly drifting away from Earth, by four centimeters a year. Eclipses Blood Moon The Moon cycle = the time the moon takes to orbit Earth. This cycle takes 28 days. The gravitational forces of the moon try to pull anything loose on the Earth towards it. The moon doesn't change shape, but what we can see of it that is lit by the sun changes Neap Tides occur when the sun, Earth and Moon are at right angles. It makes a very weak tide. Spring tides occur when the sun, earth and moon are all in line with each other, making an extra high tide and an extra low tide. Spring and Neap tides Spring and neap tides occur about every 7 days Water is loose, so the water closest to the moon bulges towards it. The water on the far side of Earth bulges from the earth. This is because, at the same time as the water, the Earth is being pulled slightly, leaving the far water behind it. How tides work One side of the moon The Moons shapes Predators are more likely to go out on a new moon, where they can hunt in the dark. Prey are more likely to go out on a full moon, although they are vulnerable in either. The moons gravity is only 17% of Earths gravity. If we lived with that little gravity, we would be able to jump about 6 times further, and carry objects 6 times heavier! Only 12 people have ever walked on the moons surface. A blood moon occurs when the whole moon falls in the shadow of Earth. Lunar Eclipse A Lunar eclipse happens when the moon passes behind the Earth into its shadow.
Can occur only when the sun, earth, and moon are aligned.
A lunar eclipse can only happen in a full moon. Solar Eclipse A solar eclipse occurs when the moon passes between the sun and earth, and the moon blocks the sun. This can happen only at new moon, when the sun,the moon and the earth are in line. In total eclipse, the whole sun is covered by the moon. Partial Eclipse A part of the moon falls into Earths shadow
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