---
title: Pondweed in a jar on the windowsill makes bubbles all day. What happ… — Gases all around: breath and balloons · tree and pragmatics
description: Pondweed in a jar on the windowsill makes bubbles all day. What happens at night? Test 9 · ★ of lesson 20 «Gases all around: breath and balloons» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 9 · ★ · Gases all around: breath and balloons

<!-- .ven lang=en -->
Pondweed in a jar on the windowsill makes bubbles all day. What happens at night?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 3 · wrong ✗ · **Who acts:** Pondweed · **What happens:** make, happen · **To what, where:** bubbles

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This is test 9 · ★ of lesson 20 «Gases all around: breath and balloons» of the chemistry course of Mova's primary school. 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/chemistry/20-gases-all-around-breath-and-balloons/#t9).

## The question {#question}

<!-- .note -->
*Sentence 1:* Pondweed in a jar on the windowsill makes bubbles all day.

```conllu
# sent_id = question:chemistry:20-gases-all-around-breath-and-balloons:t9:1
# text = Pondweed in a jar on the windowsill makes bubbles all day.
1	Pondweed	pondweed	NOUN	NN	Number=Sing	8	nsubj	_	_
2	in	in	ADP	IN	_	4	case	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	jar	jar	NOUN	NN	Number=Sing	1	nmod	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	windowsill	windowsill	NOUN	NN	Number=Sing	4	nmod	_	_
8	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	bubbles	bubble	NOUN	NNS	Number=Plur	8	obj	_	_
10	all	all	DET	DT	PronType=Tot	11	det	_	_
11	day	day	NOUN	NN	Number=Sing	8	obl:unmarked	_	SpaceAfter=No
12	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Pondweed in a jar on the windowsill | bubbles |  |  | day |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset bubble=Product |

<!-- .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.

<!-- .note -->
*Sentence 2:* What happens at night?

```conllu
# sent_id = question:chemistry:20-gases-all-around-breath-and-balloons:t9:2
# text = What happens at night?
1	What	what	PRON	WP	PronType=Int	2	nsubj	_	_
2	happens	happen	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	at	at	ADP	IN	_	4	case	_	_
4	night	night	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
5	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present |  |  |  |  | night |  | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
The jar fills with water vapour

```conllu
# sent_id = question:chemistry:20-gases-all-around-breath-and-balloons:t9:o1:1
# text = The jar fills with water vapour
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	jar	jar	NOUN	NN	Number=Sing	3	nsubj	_	_
3	fills	fill	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	water	water	NOUN	NN	Number=Sing	6	compound	_	_
6	vapour	vapour	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fill** | present | the jar |  |  |  |  | with water vapour | vn other\_cos-45.4 «NP V NP PP.instrument»: agent=Agent with vapour=Instrument |

### Option 2 {#o2}

<!-- .ven lang=en -->
The bubbles get faster

```conllu
# sent_id = question:chemistry:20-gases-all-around-breath-and-balloons:t9:o2:1
# text = The bubbles get faster
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	bubbles	bubble	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	get	get	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	faster	fast	ADJ	JJR	Degree=Cmp	3	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | present | the bubbles |  |  |  |  | fast *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The bubbles stop

```conllu
# sent_id = question:chemistry:20-gases-all-around-breath-and-balloons:t9:o3:1
# text = The bubbles stop
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	bubbles	bubble	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | the bubbles |  |  |  |  |  | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
The bubbles turn red

```conllu
# sent_id = question:chemistry:20-gases-all-around-breath-and-balloons:t9:o4:1
# text = The bubbles turn red
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	bubbles	bubble	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	turn	turn	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	red	red	ADJ	JJ	Degree=Pos	3	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | present | the bubbles |  |  |  |  | red *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |

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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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