Do objects have weight in space? - Take your classroom into space

submitted by: cristina
What's the difference between mass and weight? Do objects have weight in space? Students using ESAs 'Take Your Classroom into Space' kit and this video recorded in the unique environment of the ISS can now find out. The experiment was proposed by Greek, Belgian and Spanish teachers who participated to the ESA competition 'Take Your Classroom into Space'. http://www.esa.int/esaHS/education.html

Tectonics

submitted by: scivee-team

A documentary on tectonics, continental drift, and ocean floor exploration.