---
title: A glow stick in the freezer glows more dimly but lasts longer, becau… — Colours of fire: fireworks · tree and pragmatics
description: A glow stick in the freezer glows more dimly but lasts longer, because cold slows the reaction down. Who acts: glow stick, cold. A sentence of the lesson «Colours of fire: fireworks» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Colours of fire: fireworks, sentence 17

<!-- .ven lang=en -->
A glow stick in the freezer glows more dimly but lasts longer, because cold slows the reaction down.

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**Who acts:** glow stick, cold · **What happens:** glow, last, slow down · **To what, where:** reaction

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This is a sentence of the lesson «Colours of fire: fireworks» of the chemistry 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 (glow stick, cold), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:026-colours-of-fire-fireworks.lesson:17
# text = A glow stick in the freezer glows more dimly but lasts longer, because cold slows the reaction down.
# source = school lesson (ours)
# course = chemistry
# lesson = 026-colours-of-fire-fireworks.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	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	glow	glow	NOUN	NN	Number=Sing	3	compound	_	_
3	stick	stick	NOUN	NN	Number=Sing	7	nsubj	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	freezer	freezer	NOUN	NN	Number=Sing	3	nmod	_	_
7	glows	glow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	more	more	ADV	RBR	Degree=Cmp	9	advmod	_	_
9	dimly	dimly	ADV	RB	_	7	advmod	_	_
10	but	but	CCONJ	CC	_	11	cc	_	_
11	lasts	last	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	conj	_	_
12	longer	long	ADV	RBR	Degree=Cmp	11	advmod	_	_
13	,	,	PUNCT	,	_	16	punct	_	_
14	because	because	SCONJ	IN	_	16	mark	_	_
15	cold	cold	NOUN	NN	Number=Sing	16	nsubj	_	_
16	slows	slow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	advcl	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	reaction	reaction	NOUN	NN	Number=Sing	16	obj	_	_
19	down	down	ADP	RP	_	16	compound:prt	_	_
20	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **glow** | present | a glow stick in the freezer |  |  |  |  | dimly *property* | vn light\_emission-43.1 «NP V»: agent=Theme |
| 2 | **last** | present | a glow stick in the freezer *not said here* |  |  |  |  | long *property* | vn cost-54.2 «NP V NP.value»: agent=Theme |
| 3 | **slow down** | present | cold | the reaction |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent reaction=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.

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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:chemistry:026-colours-of-fire-fireworks.lesson:17`.

**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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