rotation & revolution solar & lunar eclipse. orbit – the path the earth takes to travel...
DESCRIPTION
ROTATIONTRANSCRIPT
Rotation & Revolution
Solar & Lunar
Eclipse
Orbit – the path the earth takes to travel
around the sun.
sun
orbit
ROTATION
Rotation – the Earth spinning on its axis.
earth
Period of Rotation –The amount of time it takes
for this rotation to happen: one day (24
hours)!
REVOLUTION
Revolution - the motion of the Earth orbiting around
the sun.
• sunearth
Period of Revolution – the amount of time it takes for an object to orbit around the sun once: One year (365 Days).
sun earth
Every planet revolves around the Sun! The closer you get to the sun the shorter the revolution/orbit.
Longer years
Shorter years
Rotation/Revolution Animation:
http://esminfo.prenhall.com/science/geoanimations/animations/01_EarthSun_E2.html
Review QUESTIONS:
What does each letter represent?
• earth
sunsun
A
B
C
Rotation or Revolution?
Rotation or Revolution?
Rotation or Revolution?
SOLAR ECLIPSE
South Pole
North Pole
Solar Eclipse Details
Sun Moon
A solar eclipse occurs when the moon comes between the Earth and the sun.
LUNAR ECLIPSE
A Lunar Eclipse
Moon
Sun
Earth
Moon’s Path
During a Lunar Eclipse the Earth’s shadow falls on the moon and the moon can look RED!!!
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.
Review Questions:
Answer