The forces of gravity and _____ together cause tides on Earth.

The _____ of Earth causes inertia, which in turn causes water on Earth's surface to move away from Earth's center.

At the same time, the ____ of the moon all of the water on Earth toward the moon.

On the side of Earth closest to the moon, the combination of the gravitational pull of the moon and inertial forces cause a(n) _____ in the water toward the moon.

CHOICES FOR ALL: tides, bulge, gravity, phases, rotation, inertia.