---
title: A child wants to test whether a spoon is metal or plastic using a ba… — Electricity — circuits, switches and s… · tree and pragmatics
description: A child wants to test whether a spoon is metal or plastic using a battery, a bulb and wires. What will show it is metal? Test 4 · ★★ of lesson 55 «Electricity — circuits, switches and safety» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of
---

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# Test 4 · ★★ · Electricity — circuits, switches and safety

<!-- .ven lang=en -->
A child wants to test whether a spoon is metal or plastic using a battery, a bulb and wires. What will show it is metal?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** child, spoon · **What happens:** want, test, be, use, show · **To what, where:** metal, battery · **Speech:** someone speaks here

<!-- .vabout -->
This is test 4 · ★★ of lesson 55 «Electricity — circuits, switches and safety» of the world 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/world/55-electricity/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* A child wants to test whether a spoon is metal or plastic using a battery, a bulb and wires.

```conllu
# sent_id = question:world:55-electricity:t4:1
# text = A child wants to test whether a spoon is metal or plastic using a battery, a bulb and wires.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	child	child	NOUN	NN	Number=Sing	3	nsubj	_	_
3	wants	want	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	test	test	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	whether	whether	SCONJ	IN	_	10	mark	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	spoon	spoon	NOUN	NN	Number=Sing	10	nsubj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
10	metal	metal	NOUN	NN	Number=Sing	5	advcl	_	_
11	or	or	CCONJ	CC	_	12	cc	_	_
12	plastic	plastic	NOUN	NN	Number=Sing	10	conj	_	_
13	using	use	VERB	VBG	Tense=Pres|VerbForm=Part	5	advcl	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	battery	battery	NOUN	NN	Number=Sing	13	obj	_	SpaceAfter=No
16	,	,	PUNCT	,	_	18	punct	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	bulb	bulb	NOUN	NN	Number=Sing	15	appos	_	_
19	and	and	CCONJ	CC	_	20	cc	_	_
20	wires	wire	NOUN	NNS	Number=Plur	18	conj	_	SpaceAfter=No
21	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **want** | present | a child |  |  |  |  |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot clause=Theme |
| 2 | **test** *not said to happen* | to-infinitive | a child *not said here* |  |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent |
| 3 | **is a** | present | a spoon | metal or plastic |  |  |  |  | tree rules |
| 4 | **use** | gerund | a child *not said here* | a battery |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent battery=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.

<!-- .note -->
*Sentence 2:* What will show it is metal?

```conllu
# sent_id = question:world:55-electricity:t4:2
# text = What will show it is metal?
1	What	what	PRON	WP	PronType=Int	3	obj	_	_
2	will	will	AUX	MD	VerbForm=Fin	3	aux	_	_
3	show	show	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
6	metal	metal	NOUN	NN	Number=Sing	3	ccomp	_	SpaceAfter=No
7	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | future |  |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent what=Recipient |
| 2 | **is a** | present | spoon | metal |  |  |  |  | tree rules |

## The options {#options}

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

<!-- .ven lang=en -->
The bulb lights when the spoon fills the gap

```conllu
# sent_id = question:world:55-electricity:t4:o1:1
# text = The bulb lights when the spoon fills the gap
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	bulb	bulb	NOUN	NN	Number=Sing	3	nsubj	_	_
3	lights	light	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	when	when	SCONJ	WRB	_	7	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	spoon	spoon	NOUN	NN	Number=Sing	7	nsubj	_	_
7	fills	fill	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	gap	gap	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **light** | present | the bulb |  |  |  |  |  | vn preparing-26.3-1 «NP V NP»: agent=Agent |
| 2 | **fill** | present | the spoon | the gap |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent gap=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
The battery gets lighter

```conllu
# sent_id = question:world:55-electricity:t4:o2:1
# text = The battery gets lighter
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	battery	battery	NOUN	NN	Number=Sing	3	nsubj	_	_
3	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	lighter	light	ADJ	JJR	Degree=Cmp	3	xcomp	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
The bulb stays dark when the spoon fills the gap

```conllu
# sent_id = question:world:55-electricity:t4:o3:1
# text = The bulb stays dark when the spoon fills the gap
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	bulb	bulb	NOUN	NN	Number=Sing	3	nsubj	_	_
3	stays	stay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	dark	dark	ADJ	JJ	Degree=Pos	3	xcomp	_	_
5	when	when	SCONJ	WRB	_	8	mark	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	spoon	spoon	NOUN	NN	Number=Sing	8	nsubj	_	_
8	fills	fill	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	gap	gap	NOUN	NN	Number=Sing	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | present | the bulb |  |  |  |  | dark *property* | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **fill** | present | the spoon | the gap |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent gap=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The spoon gets cold

```conllu
# sent_id = question:world:55-electricity:t4:o4:1
# text = The spoon gets cold
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	spoon	spoon	NOUN	NN	Number=Sing	3	nsubj	_	_
3	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	cold	cold	ADJ	JJ	Degree=Pos	3	xcomp	_	_
```

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

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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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