---
title: Pure water freezes at 0 °C and boils at about 100 °C at sea level. — Melting, freezing and boiling · tree and pragmatics
description: Pure water freezes at 0 °C and boils at about 100 °C at sea level. Who acts: Pure water. A sentence of the lesson «Melting, freezing and boiling» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Melting, freezing and boiling, sentence 8

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Pure water freezes at 0 °C and boils at about 100 °C at sea level.

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**Who acts:** Pure water · **What happens:** freeze, boil · **To what, where:** 0 ° C, 100 ° C

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This is a sentence of the lesson «Melting, freezing and boiling» of the world course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Pure water), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:012-melting-freezing-boiling.lesson:8
# text = Pure water freezes at 0 °C and boils at about 100 °C at sea level.
# source = school lesson (ours)
# course = world
# lesson = 012-melting-freezing-boiling.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change
1	Pure	pure	ADJ	JJ	Degree=Pos	2	amod	_	_
2	water	water	NOUN	NN	Number=Sing	3	nsubj	_	_
3	freezes	freeze	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	at	at	ADP	IN	_	7	case	_	_
5	0	0	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	_	_
6	°	°	SYM	SYM	_	7	compound	_	_
7	C	c	NOUN	NN	Number=Sing	3	obl	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	boils	boil	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
10	at	at	ADP	IN	_	14	case	_	_
11	about	about	ADV	RB	_	12	advmod	_	_
12	100	100	NUM	CD	NumForm=Digit|NumType=Card	14	nummod	_	_
13	°	°	SYM	SYM	_	14	compound	_	_
14	C	c	NOUN	NN	Number=Sing	9	obl	_	_
15	at	at	ADP	IN	_	17	case	_	_
16	sea	sea	NOUN	NN	Number=Sing	17	compound	_	_
17	level	level	NOUN	NN	Number=Sing	9	obl	_	_
18	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **freeze** | present | Pure water |  |  | 0 ° C |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 2 | **boil** | present | Pure water *not said here* |  |  | 100 ° C |  | at sea level | vn cooking-45.3 «NP.patient V»: agent=Patient |

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One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:world:012-melting-freezing-boiling.lesson:8`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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- ← previous: [Melting, freezing and boiling, 7](https://md.mova.elamur.ai/free/en/corpora/school/world/12-melting-freezing-boiling/7/)
- next →: [Melting, freezing and boiling, 9](https://md.mova.elamur.ai/free/en/corpora/school/world/12-melting-freezing-boiling/9/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/12-melting-freezing-boiling/)