... Several cultures have seen the Moon as a god being chased across the sky by a Sun goddess. ... Students move the ball a little to the left of the sun looking at the moon until they can see a crescent shape in light. ... Students keep moving their moons around their heads (earth). ... Hold one hand blocking an imaginary sun to protect eyes. ... When the sun and the moon are at 90 degrees or right angles to the earth (the quarter moons), the gravitational pull of the sun and moon are competing. ...