The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon. Another bulge occurs on the opposite side, since the Earth is also being pulled toward the moon. Since the earth is rotating while this is happening, two tides occur each day.
Get a cereal box stuff it with tissue until it feels stuffed enough! Then,drop an egg im the box put some more tissue on top of the box! Afterwards,put tape on top of the box to close it.
