Fill in the Blanks MAGNETISM AND GRAVITYOnline version MAGNETISM AND GRAVITY by Luz Álvarez Herrero 1 AND APART UP NON WATER REPEL MOON TOGETHER AIR CONTACT UPTHRUST CONTACT PUSH PULL ISAAC NON GRAVITY CONTACT POLES EARTH REPEL BIGGER NEWTON KILOGRAMS MAGNETISM IS A - FORCE . IT IS A FORCE . MAGNETS HAVE TWO . OPPOSITE POLES AND PULL . THE SAME POLES AND PUSH . GRAVITY WAS DISCOVERED BY . IT IS A FORCE . IT PULL TOWARDS EARTH . GRAVITY ON IS STRONGER THAN ON THE BECAUSE THE EARTH´S MASS IS THAN THE MOON MASS . IT IS MEASURED IN . UPTHRUST IS A , PUSH FORCE APPLIED BY AND . IT PUSHES OBJECTS IN AIR AND WATER UP . UPTHRUST IS AN OPPOSITE FORCE TO . GRAVITY PULLS AND OBJECT DOWN AND PUSHES IT .