https://top100videos.primarygames.com/category/Janets-Planet/ http://blogs.law.harvard.edu/tech/rss Visiolist Topsites https://top100videos.primarygames.com/category/Janets-Planet/ https://top100videos.primarygames.com/ Sat, 11 Apr 26 01:35:12 +0000 https://top100videos.primarygames.com/index.php?a=out&u=gravitationalforce&go=1 Gravity works in strange ways, and Janet begins to get to the bottom of it all. https://top100videos.primarygames.com/details/gravitationalforce/ https://top100videos.primarygames.com/index.php?a=out&u=intro&go=1 Meet Janet. She'll be your tourguide through this crazy universe of ours! Don't worry...there's no spacesuit required. https://top100videos.primarygames.com/details/intro/ https://top100videos.primarygames.com/index.php?a=out&u=weightandmass&go=1 Two of the key elements of physics, an object's weight and mass determine how it's affected by gravity. https://top100videos.primarygames.com/details/weightandmass/ https://top100videos.primarygames.com/index.php?a=out&u=galileo&go=1 Wait, the Earth revolves around the SUN? Yes, but before Galileo, no one believed that! https://top100videos.primarygames.com/details/galileo/ https://top100videos.primarygames.com/index.php?a=out&u=henrycavendish&go=1 Henry Cavendish was the first scientist to test gravity in the laboratory. Thanks to the "Cavendish Experiment," we know how much Earth weighs! https://top100videos.primarygames.com/details/henrycavendish/ https://top100videos.primarygames.com/index.php?a=out&u=microgravityandastronauts&go=1 What effect does microgravity have on astronauts orbiting earth? https://top100videos.primarygames.com/details/microgravityandastronauts/ https://top100videos.primarygames.com/index.php?a=out&u=parabolasandweightlessness&go=1 What does it feel like to float in outerspace? Astronauts experience microgravity by training in very special airplanes. https://top100videos.primarygames.com/details/parabolasandweightlessness/ https://top100videos.primarygames.com/index.php?a=out&u=sirisaacnewton&go=1 The apple never falls far from the tree...and that's how Isaac Newton discovered gravity! https://top100videos.primarygames.com/details/sirisaacnewton/ https://top100videos.primarygames.com/index.php?a=out&u=summary&go=1 Janet wraps it all up. What did you learn about microgravity? https://top100videos.primarygames.com/details/summary/ https://top100videos.primarygames.com/index.php?a=out&u=whathappensinmicrogravity&go=1 How does gravity behave when we get down to the real nitty gritty? https://top100videos.primarygames.com/details/whathappensinmicrogravity/