Thurs., Mar. 21, 2013

Objectives: How is energy created
from fission or fusion?
Announcements: Need scores for:
Kepler's Laws assignments
Opening Data:  Speed o' light,
c = 3 x 10⁸ m/s

7 times around the earth in a second

1.5 seconds to travel to the moon

8 minutes to the sun  

Where does all the energy come from

in nuclear interactions?  

4.3 x 10¹² g lost by the sun each second through nuclear fusion