---
title: Identify the principle by which a domestic microwave oven conveys he… — Cooking machines: oven, microwave, ket… · tree and pragmatics
description: Identify the principle by which a domestic microwave oven conveys heat to foodstuffs. Exam question 1 of lesson 11 «Cooking machines: oven, microwave, kettle, toaster and hob» of the technology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each optio
---

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# Exam question 1 · Cooking machines: oven, microwave, kettle, toaster and hob

<!-- .ven lang=en -->
Identify the principle by which a domestic microwave oven conveys heat to foodstuffs.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 1 · wrong ✗ · **Who acts:** you, domestic microwave oven · **What happens:** identify, convey · **To what, where:** principle, heat, foodstuffs

<!-- .vabout -->
This is exam question 1 of lesson 11 «Cooking machines: oven, microwave, kettle, toaster and hob» of the technology course of Mova's primary school, asked in stiff, formal language. 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/technology/11-cooking-machines/#e1).

## The question {#question}

```conllu
# sent_id = question:technology:11-cooking-machines:e1:1
# text = Identify the principle by which a domestic microwave oven conveys heat to foodstuffs.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	principle	principle	NOUN	NN	Number=Sing	1	obj	_	_
4	by	by	ADP	IN	_	5	case	_	_
5	which	which	PRON	WDT	PronType=Rel	10	obl	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
7	domestic	domestic	ADJ	JJ	Degree=Pos	9	amod	_	_
8	microwave	microwave	NOUN	NN	Number=Sing	9	compound	_	_
9	oven	oven	NOUN	NN	Number=Sing	10	nsubj	_	_
10	conveys	convey	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
11	heat	heat	NOUN	NN	Number=Sing	10	obj	_	_
12	to	to	ADP	IN	_	13	case	_	_
13	foodstuffs	foodstuff	NOUN	NNS	Number=Plur	10	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principle |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent principle=Theme |
| 2 | **convey** | present | a domestic microwave oven | heat | foodstuffs |  |  | by the principle | vn say-37.7-1-1 «NP V NP PP.recipient»: agent=Agent heat=Topic to foodstuff=Recipient |

<!-- .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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It agitates the water molecules within the food

```conllu
# sent_id = question:technology:11-cooking-machines:e1:o1:1
# text = It agitates the water molecules within the food
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	agitates	agitate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	water	water	NOUN	NN	Number=Sing	5	compound	_	_
5	molecules	molecule	NOUN	NNS	Number=Plur	2	obj	_	_
6	within	within	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	food	food	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **agitate** | present | It | the water molecules |  |  |  | within the food | vn amuse-31.1 «NP V NP»: agent=Stimulus molecule=Experiencer |

### Option 2 {#o2}

<!-- .ven lang=en -->
It irradiates the food with intense visible light

```conllu
# sent_id = question:technology:11-cooking-machines:e1:o2:1
# text = It irradiates the food with intense visible light
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	irradiates	irradiate	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	food	food	NOUN	NN	Number=Sing	2	obj	_	_
5	with	with	ADP	IN	_	8	case	_	_
6	intense	intense	ADJ	JJ	Degree=Pos	8	amod	_	_
7	visible	visible	ADJ	JJ	Degree=Pos	8	amod	_	_
8	light	light	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **irradiate** | present | It | the food |  |  |  | with intense visible light | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
It conducts heat upwards from a heated turntable

```conllu
# sent_id = question:technology:11-cooking-machines:e1:o3:1
# text = It conducts heat upwards from a heated turntable
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	conducts	conduct	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	heat	heat	NOUN	NN	Number=Sing	2	obj	_	_
4	upwards	upwards	ADV	RB	_	2	advmod	_	_
5	from	from	ADP	IN	_	8	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	heated	heat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	_
8	turntable	turntable	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **conduct** | present | It | heat |  | a heated turntable |  | upwards *property* | vn accompany-51.7 «NP V NP PP.destination»: agent=Agent heat=Theme from turntable=Destination |
| 2 | **heat** | participle |  |  |  |  |  |  | vn cooking-45.3 «NP.patient V»: agent=Patient |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
It heats the surrounding air by means of a flame

```conllu
# sent_id = question:technology:11-cooking-machines:e1:o4:1
# text = It heats the surrounding air by means of a flame
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	heats	heat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	surrounding	surround	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	air	air	NOUN	NN	Number=Sing	2	obj	_	_
6	by	by	ADP	IN	_	7	case	_	_
7	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	flame	flame	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **heat** | present | It | the surrounding air |  |  |  |  | vn cooking-45.3 «NP.instrument V NP»: agent=Instrument air=Patient |
| 2 | **surround** | gerund |  |  |  |  |  |  | vn contiguous\_location-47.8 «NP V NP»: agent=Theme |
| 3 | **mean** | present |  |  |  |  |  | of a flame | vn intend-61.2-1 «NP V S»: agent=Agent |

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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.

<!-- /div -->

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