--- title: Mirrors, shadows and colours — a lesson of Mova's school · trees and pragmatics description: «Mirrors, shadows and colours», a lesson of the world course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: A mirror reflects light like a ball bouncing off a wall: the light leaves the mirror at the same angle as it arrived. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/) [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/) / Mirrors, shadows and colours # Mirrors, shadows and colours Lesson 84 of the world course of Mova's primary school: 23 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/84-mirrors-shadows-colours/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/0/) — A mirror reflects light like a ball bouncing off a wall: the light leaves the mirror at the same angle as it arrived. - [1](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/1/) — In a mirror, writing looks back to front, which is why AMBULANCE is printed reversed on the front of ambulances, so drivers read it the right way in their mirrors. - [2](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/2/) — A periscope uses two mirrors to bend the path of light twice, so you can see over a wall or out of a submarine. - [3](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/3/) — Curved mirrors change the picture: a mirror that bulges outwards shows a wide view, so it is used in car wing mirrors and shop corners. - [4](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/4/) — Shadows change during the day because the Sun's position in the sky changes. - [5](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/5/) — In the morning and evening the Sun is low and shadows are long; around midday it is highest and shadows are shortest. - [6](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/6/) — A shadow always points away from the light. - [8](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/8/) — That is why a straw in a glass of water looks broken. - [9](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/9/) — A glass prism bends each colour by a different amount and spreads white light into a rainbow of colours. - [10](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/10/) — A rainbow appears when the Sun is behind you and rain is in front of you: each raindrop bends and reflects the sunlight and splits it into colours. - [11](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/11/) — Its colours are always in the same order: red, orange, yellow, green, blue, indigo and violet. - [12](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/12/) — A mirror reflects light at the same angle as the light arrives. - [13](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/13/) — In a mirror, writing appears back to front. - [14](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/14/) — A periscope uses two mirrors to let you see over things. - [15](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/15/) — A mirror that bulges outwards shows a wider view than a flat one. - [16](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/16/) — Shadows are longest in the morning and evening and shortest around midday. - [17](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/17/) — A shadow always points away from the source of light. - [18](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/18/) — A sundial tells the time from the position of a shadow. - [19](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/19/) — Light bends when it passes between water, glass and air. - [20](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/20/) — A prism splits white light into the colours of the rainbow. - [21](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/21/) — A rainbow appears when the Sun is behind you and rain is in front of you. - [22](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/22/) — The colours of the rainbow are red, orange, yellow, green, blue, indigo and violet, with red on the outside edge of the bow. - [23](https://md.mova.elamur.ai/free/en/corpora/school/world/84-mirrors-shadows-colours/23/) — A red filter lets only red light through and blocks the other colours. - ← previous: [Floating and sinking: the push of water](https://md.mova.elamur.ai/free/en/corpora/school/world/83-floating-and-sinking/) - next →: [Pushes, pulls, friction and wheels](https://md.mova.elamur.ai/free/en/corpora/school/world/85-pushes-pulls-friction-wheels/) - ↑ back to [World](https://md.mova.elamur.ai/free/en/corpora/school/world/)