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Rotating Earth

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by

Gabrielle Klenk

on 9 September 2013

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Transcript of Rotating Earth

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli
Rotating Earth
EARTHS AXIS
Each complete rotation takes one day.
Earth rotates from west to east on the axis.
At any given moment the part of earth that faces the sun experiences sunlight and at the same time, the part of earth that faces away from the sun expierences nighttime.
Foucault pendulum
In the 19th century the scientist Jean-bernard-leon foucault provided evidence of earths rotation using the pendulum
Jean created a long heavy pendulum that rocks back and forth by attaching the wire to the ceiling, then attaching a weight called a bob to the wire.
Because the floor is attached to earth
The Earth has a North Pole, and a South Pole. It rotates on a tilt once a day every day
This video is showing how the Foucalt pendelum moves with the rotation of the Earth.
The Rotation Speed
The earth does a full rotation in 24 hours
The earth rotates just over 1,000 mph
One time around the sun is a year
How Earth rotates on its axis
During certain seasons the Earth tilts more or less towards or away from the sun
Full transcript