Question

1. what happens during a new moon and a full moon

Explanation:

During a New Moon, the Moon is positioned between the Earth and the Sun, so the side of the Moon that is illuminated by the Sun is facing away from the Earth, making the Moon mostly invisible from Earth. During a Full Moon, the Earth is between the Sun and the Moon, and the entire face of the Moon that is illuminated by the Sun is visible from Earth.

Answer:

During a New Moon, the Moon is between the Earth and Sun and mostly invisible from Earth. During a Full Moon, the Earth is between the Sun and Moon and the whole illuminated side of the Moon is visible from Earth.