Use the drop-down menus to complete the statements about inertia, earth, and the moon.
The moon’s 1.____ tries to push it off into space in a straight line, but earth’s 2.______ keeps the moon in orbit. The moon and earth are similar in that they both orbit around a body with 3._____ mass.
#1 answers: orbit, inertia
#2 answers: gravity, motion
#3 answers: greater, the same