What cuases the moon to shine?

Answer 1

The sun's rays hit the moon, which reflect to Earth, making it look like it's shining. The moon looks like it has a different shape every night because the moon reflects the light in different ways depending on where in orbit is the moon.

Answer 2

The Moon shines by reflecting light from the Sun. The Sun's light hits the Moon's surface, and the reflected light is what we see as the Moon's glow in the night sky.