Daves Creek Elementary

1
Earth Science Space Unit

• Daves Creek Elementary
• Fourth Grade

2
Constellations Fast Facts

• A person who studies the stars as a career is
  called an astrologer.
• The reason we have names, or constellations is to
  help us tell which stars are which.
• Star patterns change with the seasons.

3
Planet Fast Facts

• Pluto is no longer considered a planet.
• Saturn, Jupiter, Neptune, and Uranus are gas or
  jovian planets.
• Mars, Earth, Venus, and Mercury are rocky or
  terrestrial planets.

4
The Sun

• The Sun is a star.
• The Sun is made 70 out of the gas, hydrogen.
• The temperature of the sun is 10,000 degrees
  Fahrenheit on the surface and 27,000,000 degrees
  Fahrenheit in the center.
• The Earth is 93,000,000 miles from the Sun.

5
Planets Size Comparison
6
Day and Night

• We have day and night because the Earth spins on
  an axis.
• It takes 24 hours for Earth to spin on its axis.
• The Earth (as well as all other planets) revolve
  around the sun.

7
The End

• Now lets explore the solar system and have a
  great time.
• Stay tuned for the credits.

8
References

• Arnett, B. (2005). Overview of the Solar
• System. Retrieved on November 21, 2006, from
  www.seds.org
• Dolan, C. (2005). Astronomy. Retrieved on
  November 21, 2006, from www.astro.wisc.edu
• Hantsweb. (2006). The Planets. Retrieved on
  November 22, 2006, from www.hants.gov.uk

• Webb, J. (2006). Feebleminds. Retrieved on
  November 21, 2006, from www.feebleminds-gifs.com
• Unknown. (2000). Basic Solid Colors.
  Retrieved on November 24, 2006, from
  www.wattacroc/colors/