1. McCabe, Cynthia 5-23-09 Grade 4

2. Why we have night and day. The Earth’s position and what is it doing. Why does the Moon look different at times.

3.  When it’s dark we see the moon and the stars. Why do we have night?  On a clear day we can see the sun. Why do we have day?

4. WHAT DO WE KNOW? WHAT DO WE WANT TO KNOW?  When we wake up it’s daylight.  Why is it daylight?

5. That’s for you to discover

6.  The Earth is rotating around an axis.  Think of the Earth as a spinning top, tipped over to one side.  The Earth's axis is tipped over about 23.5° from vertical.  (moroney, 2007)

8.  Earth revolves around the Sun the Moon revolves around the Earth.  Earth revolves around the Sun in a year and rotates on its axis in a 24-hour day. (moroney, 2007)

9. Earth is spinning. Once every 24 hours Earth turns When we are on the side of Earth that is facing the Sun, we have daylight As Earth continues its spin, we are moved to the side facing away from our Sun, and we have nighttime. ( Moroney, 2007)

14. When you stumble across new, important words, use the word web.

15. LUNAR AND PLANETARY INSTITUTE. (2007). Skytellers. Houston: L. Moroney. Available: www.lpi.usra.edu/www.lpi.usra.edu/ Schmidt, R. (2009). Moon Phase Images. Available: http://tycho.usno.navy.mil/vphase.html http://tycho.usno.navy.mil/vphase.html Space.com. (1999). Virtual space tour. Retrieved May 18, 2009, from: http://www.space.com/php/popup/virtualspacetour/noad_astropedia.php http://www.space.com/php/popup/virtualspacetour/noad_astropedia.php University Corporation for Atmospheric Research. (2005). Windows to the universe. The Regents of the University of Michigan. Available: www.windows.ucar.edu/ www.windows.ucar.edu/