Head to Teachers' Domain for a great QuickTime video and some background information on centripetal force - courtesy of the PBS program Zoom.

Need a PowerPoint on gravity? Here are some great resources.

Here is a great lesson plan for instruction in gravity understanding similar to the experiment that Galileo did from the Leaning Tower of Pisa.

Center of Gravity lesson plan. Kids can compete against adults and win at these activities. Fun activity for your class.

Teachers will want to check out this site for detailed illustrations and information on how birds fly.

More on how birds fly. Click here.

Helium balloons are always a fascination to kids. Check out this site for information on how helium filled balloons can be the focal point of the next science experiment in your classroom.

Hot air balloons lesson plan. Fun, Fun, Fun