Learn about the phases of the Moon. Physical processes -The Earth and beyond - The Moon Learning Points The Moon takes 28 days to orbit the Earth. The Moon's phases are gibbous, waning, crescent and full. A lunar month is the complete cycle of the phases of the Moon. The Moon does not change shape, but reflects different amounts of sunlight. A Twig Curriculum Film. Delivering key learning points. Get straight to the facts in just three minutes – directly linked to core learning, Twig's curriculum films will fit neatly into your lesson plans.