Rotation

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Rotation RevolutionHow does the movement of
the sun, earth, and moon relate to days, lunar
cycles, and years?
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Orbit the path the earth takes to travel around
the sun.
orbit
sun
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• ROTATION

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Rotation the Earth spinning on its axis.
earth
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Period of Rotation The amount of time it takes
for this rotation to happen one day (24 hours)!
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Rotation AAxis
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• REVOLUTION

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Revolution - the motion of the Earth orbiting
around the sun.

• sun

earth
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Period of Revolution the amount of time it
takes for an object to orbit around the sun once
One year (365 Days).
earth
sun
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Every planet revolves around the Sun! The closer
you get to the sun the shorter the
revolution/orbit.
Shorter years
Longer years
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Rotation/Revolution Animation

• http//esminfo.prenhall.com/science/geoanimations/
  animations/01_EarthSun_E2.html

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Revolution
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• Review QUESTIONS

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What does each letter represent?
C
A

• earth

sun
sun
B
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Rotation or Revolution?
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Rotation or Revolution?
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Rotation or Revolution?
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• SOLAR Lunar ECLIPSE

Objective What is the difference between a solar
and a lunar eclipse?
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Solar Eclipse Details
Moon
A solar eclipse occurs when the moon comes
between the Earth and the sun. MMS Moon Middle
Solar
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Partial Solar Eclipse

• The moon passes between Earth and the Sun. The
  moon covers part of the sun.

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Total Solar Eclipse

• Moon passes directly between Earth and the Sun.
  Moon blocks our view of the Sun. Only the Suns
  corona is visible.

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Annular Solar Eclipse

• Moon passes directly between Earth and the Sun.
  The moon appears smaller than in a total eclipse
  because it is further from the earth.

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• LUNAR ECLIPSE

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A Lunar Eclipse
During a Lunar Eclipse the Earths shadow falls
on the moon and the moon can look RED!!!
Moon
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The moon becomes a blood red color during a total
lunar eclipse. No wonder that ancient cultures
feared the appearance of the moon during a lunar
eclipse.
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Review Questions
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Answer
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What type of eclipse?
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• Earths axis goes directly through _______.
• The north and south poles
• The sun
• The common center of mass

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• When we watch the sun rise and set we are
  actually experiencing Earths ____.
• Rotation on its axis
• Revolution around the sun
• Revolution around the moon

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• Fewer people can see total solar eclipses than
  lunar eclipses because
• A) the Moon casts a smaller shadow than Earth
  does
• B) solar eclipses almost never happen
• C) only people at the South Pole can see solar
  eclipses

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• When Earth is directly in between the Sun and
  the Moon, people on Earth experience a
  __________.
• A) lunar eclipse
• B) solar eclipse
• C) half Moon

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• When the Moon is directly in between the Sun and
  Earth, some people on Earth may experience a
  __________.
• A) solstice
• B) lunar eclipse
• C) solar eclipse

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• A lunar eclipse occurs when ___.
• A) the Sun passes into the Earths shadow
• B) the Earth passes into the Moons shadow C) the
  Moon passes into Earths shadow
• D) the Moon passes into the Suns shadow

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• When a lunar eclipse occurs what happens to the
  Moon?
• A) It vanishes from existence, to be recalled on
  the whim of a magician.
• B) It is covered in shadow and hidden from view
  for a brief time.
• C) It becomes extraordinarily bright.
• D) Nothing happens to it.

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• When a solar eclipse occurs, what happens to the
  Moon?
• A) It falls into the Earths shadow.
• B) It moves between the Earth and the Sun,
  causing a part of the Earth to fall into its
  shadow.
• C) It lies outside of a straight line connecting
  the Earth and Sun.
• D) It disappears from view.