Astronomy: Explore Gravity

Gravity is a force that pulls objects together. Here's a song about it: http://www.acme.com/jef/singing_science/gravity-32.mp3

Here is a lesson about Gravity: http://www.sciencenetlinks.com/afterschool/falling/student.html

If you have several people, you can  do this experiment:  http://starchild.gsfc.nasa.gov/docs/StarChild/teachers/gravity_effects.html

Watch this video:  http://spitzer.caltech.edu/video-audio/238-irastroSD015-Robot-Astronomy-Talk-Show-Gravity-and-the-Great-Attractor

Explore gravity and orbits here: http://teacher.scholastic.com/activities/explorations/space/index.htm

Your weight is determined by gravity, and the gravity of the planet you are on is determined by the mass of that planet. Arty Astro's Gravitron can help you find out what you would weigh on other planets:

http://www.artyastro.com/ click on explore; page 2; gravitron