---
title: Which is true about a crackling jumper and a bolt of lightning? — Static electricity: balloons, hair and… · tree and pragmatics
description: Which is true about a crackling jumper and a bolt of lightning? Test 6 of lesson 26 «Static electricity: balloons, hair and sparks» of the physics 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 6 · Static electricity: balloons, hair and sparks

<!-- .ven lang=en -->
Which is true about a crackling jumper and a bolt of lightning?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 4 · wrong ✗ · **Who acts:** lightning · **What happens:** be, bolt

<!-- .vabout -->
This is test 6 of lesson 26 «Static electricity: balloons, hair and sparks» of the physics 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/physics/26-static-electricity-balloons-hair-and-sparks/#t6).

## The question {#question}

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t6:1
# text = Which is true about a crackling jumper and a bolt of lightning?
1	Which	which	PRON	WDT	PronType=Rel	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	_
4	about	about	ADP	IN	_	7	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	crackling	crackling	NOUN	NN	Number=Sing	7	compound	_	_
7	jumper	jumper	NOUN	NN	Number=Sing	3	obl	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	bolt	bolt	NOUN	NN	Number=Sing	7	conj	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	lightning	lightning	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
13	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | about a crackling jumper and a bolt of lightning; true *property* | tree rules |
| 2 | **bolt** |  | lightning |  |  |  |  |  | nom bolt «phenomenon intransitive»: of=agent |

<!-- .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 {#o1}

<!-- .ven lang=en -->
They have nothing at all in common

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t6:o1:1
# text = They have nothing at all in common
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	2	obj	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	all	all	DET	DT	PronType=Tot	3	nmod	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	common	common	ADJ	JJ	Degree=Pos	3	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | They | nothing |  | all |  | in common | vn birth-28.2-1 «NP V NP»: agent=Agent nothing=Patient |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
A jumper's crackle is only a sound from the wool, with no spark at all

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t6:o2:1
# text = A jumper's crackle is only a sound from the wool, with no spark at all
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	jumper	jumper	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	crackle	crackle	NOUN	NN	Number=Sing	8	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
6	only	only	ADV	RB	_	8	advmod	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	sound	sound	NOUN	NN	Number=Sing	0	root	_	_
9	from	from	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	wool	wool	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
12	,	,	PUNCT	,	_	15	punct	_	_
13	with	with	ADP	IN	_	15	case	_	_
14	no	no	DET	DT	PronType=Neg	15	det	_	_
15	spark	spark	NOUN	NN	Number=Sing	8	conj	_	_
16	at	at	ADP	IN	_	17	case	_	_
17	all	all	DET	DT	PronType=Tot	15	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a jumper's crackle | a sound and no spark at all |  | the wool |  |  | tree rules |
| 2 | **crackle** |  | a jumper |  |  |  |  |  | nom crackle «event intransitive»: poss=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Lightning is made of wool fibres

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t6:o3:1
# text = Lightning is made of wool fibres
1	Lightning	lightning	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	wool	wool	NOUN	NN	Number=Sing	6	compound	_	_
6	fibres	fibre	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | Lightning |  |  |  | of wool fibres | vn build-26.1-1 «NP.asset V NP»: subject=Product |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Both are sparks from built-up charge, one tiny and one huge

```conllu
# sent_id = question:physics:26-static-electricity-balloons-hair-and-sparks:t6:o4:1
# text = Both are sparks from built-up charge, one tiny and one huge
1	Both	both	DET	DT	PronType=Tot	3	det	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	sparks	spark	NOUN	NNS	Number=Plur	11	nsubj	_	_
4	from	from	ADP	IN	_	8	case	_	_
5	built	build	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	SpaceAfter=No
6	-	-	PUNCT	HYPH	_	7	punct	_	SpaceAfter=No
7	up	up	ADP	RP	_	5	compound:prt	_	_
8	charge	charge	NOUN	NN	Number=Sing	3	nmod	_	SpaceAfter=No
9	,	,	PUNCT	,	_	11	punct	_	_
10	one	one	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	tiny	tiny	ADJ	JJ	Degree=Pos	0	root	_	_
12	and	and	CCONJ	CC	_	14	cc	_	_
13	one	one	NUM	CD	NumForm=Word|NumType=Card	14	nummod	_	_
14	huge	huge	ADJ	JJ	Degree=Pos	11	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present |  | both sparks |  | built charge |  |  | tree rules |
| 2 | **build up** | participle |  |  |  |  |  |  | vn caused\_calibratable\_cos-45.6.2-1 «NP V ADV-Middle»: agent=Patient |

<!-- div src -->

**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.

<!-- /div -->

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