---
title: State the temperature at which pure water freezes. — Melting, freezing and boiling · tree and pragmatics
description: State the temperature at which pure water freezes. Exam question 1 of lesson 12 «Melting, freezing and boiling» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Exam question 1 · Melting, freezing and boiling

<!-- .ven lang=en -->
State the temperature at which pure water freezes.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** pure water · **What happens:** freeze · **To what, where:** State temperature

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This is exam question 1 of lesson 12 «Melting, freezing and boiling» of the world course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/world/12-melting-freezing-boiling/#e1).

## The question {#question}

```conllu
# sent_id = question:world:12-melting-freezing-boiling:e1:1
# text = State the temperature at which pure water freezes.
1	State	state	NOUN	NN	Number=Sing	3	compound	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	temperature	temperature	NOUN	NN	Number=Sing	0	root	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	which	which	PRON	WDT	PronType=Rel	8	obl	_	_
6	pure	pure	ADJ	JJ	Degree=Pos	7	amod	_	_
7	water	water	NOUN	NN	Number=Sing	8	nsubj	_	_
8	freezes	freeze	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **freeze** | present | pure water |  |  | the State temperature |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

<!-- .note -->
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.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Zero degrees Celsius

```conllu
# sent_id = question:world:12-melting-freezing-boiling:e1:o1:1
# text = Zero degrees Celsius
1	Zero	zero	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	degrees	degree	NOUN	NNS	Number=Plur	0	root	_	_
3	Celsius	Celsius	PROPN	NNP	Number=Sing	2	nmod:unmarked	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
Four degrees Celsius

```conllu
# sent_id = question:world:12-melting-freezing-boiling:e1:o2:1
# text = Four degrees Celsius
1	Four	four	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	degrees	degree	NOUN	NNS	Number=Plur	0	root	_	_
3	Celsius	Celsius	PROPN	NNP	Number=Sing	2	nmod:unmarked	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
One hundred degrees Celsius

```conllu
# sent_id = question:world:12-melting-freezing-boiling:e1:o3:1
# text = One hundred degrees Celsius
1	One	one	NUM	CD	NumForm=Word|NumType=Card	2	compound	_	_
2	hundred	hundred	NUM	CD	NumForm=Word|NumType=Card	3	nummod	_	_
3	degrees	degree	NOUN	NNS	Number=Plur	0	root	_	_
4	Celsius	Celsius	PROPN	NNP	Number=Sing	3	nmod:unmarked	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
Minus ten degrees Celsius

```conllu
# sent_id = question:world:12-melting-freezing-boiling:e1:o4:1
# text = Minus ten degrees Celsius
1	Minus	minus	ADV	RB	_	2	advmod	_	_
2	ten	ten	NUM	CD	NumForm=Word|NumType=Card	3	nummod	_	_
3	degrees	degree	NOUN	NNS	Number=Plur	0	root	_	_
4	Celsius	Celsius	PROPN	NNP	Number=Sing	3	nmod:unmarked	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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- ← previous: [Melting, freezing and boiling, test 13](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/t13/)
- next →: [Melting, freezing and boiling, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/e2/)
- ↑ back to [Melting, freezing and boiling](https://md.mova.elamur.ai/free/en/corpora/questions/world/12-melting-freezing-boiling/)