# Earth Science Review Worksheets Motion of the Earth By Manisha Shrestha by cmo50070

VIEWS: 284 PAGES: 12

• pg 1
```									Motion of the Earth
By: Manisha
Shrestha
Review
What does the solar system consist of?
1) Sun
2) Planets
3) Asteroids
4) The natural satellites of the planets
5) Comets
6) Interplanetary dust
7) Meteoroids

What is at the center of the solar system?
Sun
Axis
An imaginary line which runs through both
poles of a planet.
Rotation of the Earth
   The Earth is spinning upon a
central axis.
   The Earth's axis is tipped
vertical.
   The Earth rotates around
once in 24 hours.
Rotation of the Earth
http://www.classzone.com/books/earth_scie
nce/terc/content/visualizations/es0404/es
0404page01.cfm?chapter_no=visualizatio
n
Direction of the Rotation

In which direction does the earth rotate?
Axial Tilt of the Planets and a Dwarf
Planet
Axial Tilt (°)
Mercury                ~0.01
Venus                  177.36
Earth                  23.4
Mars                   25.19
Jupiter                3.13
Saturn                 26.73
Uranus                 97.77
Neptune                28.32
Pluto (Dwarf planet)   119.61
Revolution of the Earth

   The earth revolves around the sun.
   The orbit is elliptic.
   The Earth's tilt stays constant.
   The Earth completes one revolution in 365 days.
Revolution of the Earth

http://esminfo.prenhall.com/science/geoa
nimations/animations/01_EarthSun_E2
.html
http://esminfo.prenhall.com/science/geoa
nimations/animations/01_EarthSun_E2
.html
Period of Revolution
Planets                Period of Revolution Around the Sun
Mercury                87.96 Earth days
Venus                  224.68 Earth days
Earth                  365.26 days
Mars                   686.98 Earth days
Jupiter                11.862 Earth years
Saturn                 29.456 Earth years
Uranus                 84.07 Earth years
Neptune                164.81 Earth years
Pluto (dwarf planet)   247.7 years
Rotation and Revolution
Worksheet
Rotation   Revolution
Define

How many days
does each take?

Which one goes
around an axis
or orbit?
Resources
   http://www.wpclipart.com/space/solar_system/solar_system_large.png
   http://ucsdnews.ucsd.edu/graphics/images/CometWild2_lg.jpg
   http://www.tqnyc.org/NYC063368/comet.gif
   http://www.gly.bris.ac.uk/www/teach/virtrips/nineplanets/gif/Asteroid460.gif
   http://www.chanceandchoice.com/ChanceandChoice/earthinclined.jpg