---
title: A balloon bursts at a pin's touch because the tiny hole lets the str… — Bangs and loud sounds: firecrackers and ears · tree and pragmatics
description: A balloon bursts at a pin's touch because the tiny hole lets the stretched rubber rip apart in an instant, and the squashed air rushes out all at once. Who acts: balloon, tiny hole, stretched rubber, squashed air. A sentence of the lesson «Bangs and loud sounds: firecrackers and ears» of the physics
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/12/)

<!-- crumbs -->
[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/) / [Physics](https://md.mova.elamur.ai/free/en/corpora/school/physics/) / [Bangs and loud sounds: firecrackers an…](https://md.mova.elamur.ai/free/en/corpora/school/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/) / 12

# Bangs and loud sounds: firecrackers and ears, sentence 12

<!-- .ven lang=en -->
A balloon bursts at a pin's touch because the tiny hole lets the stretched rubber rip apart in an instant, and the squashed air rushes out all at once.

<!-- .vintro -->
**Who acts:** balloon, tiny hole, stretched rubber, squashed air · **What happens:** burst, let, stretch, rip apart, squash, rush out · **To what, where:** touch, instant, pin

<!-- .vabout -->
This is a sentence of the lesson «Bangs and loud sounds: firecrackers and ears» of the physics 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 (balloon, tiny hole, stretched rubber, squashed air), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:019-bangs-and-loud-sounds-firecrackers-and-ears.lesson:12
# text = A balloon bursts at a pin's touch because the tiny hole lets the stretched rubber rip apart in an instant, and the squashed air rushes out all at once.
# source = school lesson (ours)
# course = physics
# lesson = 019-bangs-and-loud-sounds-firecrackers-and-ears.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	2	det	_	_
2	balloon	balloon	NOUN	NN	Number=Sing	3	nsubj	_	_
3	bursts	burst	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	at	at	ADP	IN	_	8	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	pin	pin	NOUN	NN	Number=Sing	8	nmod:poss	_	_
7	's	's	PART	POS	_	6	case	_	_
8	touch	touch	NOUN	NN	Number=Sing	3	obl	_	_
9	because	because	SCONJ	IN	_	13	mark	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	tiny	tiny	ADJ	JJ	Degree=Pos	12	amod	_	_
12	hole	hole	NOUN	NN	Number=Sing	13	nsubj	_	_
13	lets	let	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
15	stretched	stretch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	16	amod	_	_
16	rubber	rubber	NOUN	NN	Number=Sing	17	nsubj	_	_
17	rip	rip	VERB	VB	VerbForm=Inf	13	xcomp	_	_
18	apart	apart	ADV	RB	_	17	xcomp	_	_
19	in	in	ADP	IN	_	21	case	_	_
20	an	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	instant	instant	NOUN	NN	Number=Sing	17	obl	_	_
22	,	,	PUNCT	,	_	27	punct	_	_
23	and	and	CCONJ	CC	_	27	cc	_	_
24	the	the	DET	DT	Definite=Def|PronType=Art	26	det	_	_
25	squashed	squash	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	26	amod	_	_
26	air	air	NOUN	NN	Number=Sing	27	nsubj	_	_
27	rushes	rush	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	conj	_	_
28	out	out	ADV	RB	_	27	advmod	_	_
29	all	all	ADV	RB	_	31	advmod	_	_
30	at	at	ADP	IN	_	31	case	_	_
31	once	once	ADV	RB	NumForm=Word|NumType=Mult	28	advmod	_	_
32	.	.	PUNCT	.	_	3	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 | **burst** | present | a balloon |  |  | a pin's touch |  |  | vn appear-48.1.1 «NP V PP.location»: agent=Theme at touch=Location |
| 2 | **let** | present | the tiny hole |  |  |  |  |  | tree rules |
| 3 | **stretch** | participle |  |  |  |  |  |  | vn bend-45.2 «NP.patient V»: agent=Patient |
| 4 | **rip apart** | infinitive | the stretched rubber |  |  | a instant |  |  | vn break-45.1 «NP.patient V»: agent=Patient |
| 5 | **squash** | participle |  |  |  |  |  |  | vn bump-18.4-1 «NP V together»: agent=Theme |
| 6 | **rush out** | present | the squashed air |  |  |  |  | out *property* | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 7 | **touch** |  |  | a pin |  |  |  |  | nom touch «event transitive»: poss=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.

<!-- div src -->

**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:physics:019-bangs-and-loud-sounds-firecrackers-and-ears.lesson:12`.

**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/).

<!-- /div -->

<!-- pn -->
- ← previous: [Bangs and loud sounds: firecrackers an…, 11](https://md.mova.elamur.ai/free/en/corpora/school/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/11/)
- next →: [Bangs and loud sounds: firecrackers an…, 13](https://md.mova.elamur.ai/free/en/corpora/school/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/13/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/physics/19-bangs-and-loud-sounds-firecrackers-and-ears/)

