--- title: The Moon and its phases — a lesson of Mova's school · trees and pragmatics description: «The Moon and its phases», a lesson of the world course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: The Moon is a ball of rock that goes around the Earth about once a month; it makes no light of its own and shines only because sunlight falls on it. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [World](https://md.mova.elamur.ai/free/en/corpora/school/world/) / The Moon and its phases # The Moon and its phases Lesson 3 of the world course of Mova's primary school: 16 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/world/3-the-moon-and-its-phases/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/0/) — The Moon is a ball of rock that goes around the Earth about once a month; it makes no light of its own and shines only because sunlight falls on it. - [1](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/1/) — The Sun always lights one half of the Moon, but as the Moon goes around us we see different amounts of that lit half: these changing shapes are the phases. - [2](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/2/) — When the Moon is between the Earth and the Sun, its lit half faces away from us and we see a new moon; when the Moon is on the far side of the Earth from the Sun, we see the whole lit half, a full moon. - [3](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/3/) — In between we see a thin crescent, then a half moon, then a fat gibbous moon, growing (waxing) to full and then shrinking (waning) back to new, in about 29 and a half days. - [4](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/4/) — The phases are not made by the Earth's shadow: hold a ball at arm's length near a lamp, turn slowly around, and you will see all the phases on the ball yourself. - [5](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/5/) — The Moon goes around the Earth. - [6](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/6/) — The Moon makes no light of its own; it reflects the light of the Sun. - [7](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/7/) — The Sun always lights one half of the Moon. - [9](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/9/) — From one new moon to the next takes about 29 and a half days. - [10](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/10/) — At new moon the Moon is between the Earth and the Sun, and its dark side faces us. - [11](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/11/) — At full moon the Earth is between the Sun and the Moon, and we see the whole lit side. - [12](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/12/) — A waxing moon grows bigger each night, and a waning moon grows smaller. - [13](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/13/) — The phases are not caused by the shadow of the Earth. - [14](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/14/) — The Moon is about a quarter as wide as the Earth. - [15](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/15/) — The Moon has no air and no liquid water, and it is covered in craters, round holes made by rocks from space crashing into it; with no wind or rain, the marks stay for ages. - [16](https://md.mova.elamur.ai/free/en/corpora/school/world/3-the-moon-and-its-phases/16/) — The full moon rises in the east around sunset. - ← previous: [The seasons and the tilt of the axis](https://md.mova.elamur.ai/free/en/corpora/school/world/2-seasons-and-the-tilt/) - next →: [The solar system and the planets](https://md.mova.elamur.ai/free/en/corpora/school/world/4-the-solar-system/) - ↑ back to [World](https://md.mova.elamur.ai/free/en/corpora/school/world/)