---
title: When electricity squeezes through a thin wire it heats it up; that i… — Batteries, circuits and how electricity flows · tree and pragmatics
description: When electricity squeezes through a thin wire it heats it up; that is how an old bulb glows, how a toaster browns bread, and why a charger feels warm. Who acts: electricity, that, old bulb, toaster. A sentence of the lesson «Batteries, circuits and how electricity flows» of the physics course of Mov
---

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# Batteries, circuits and how electricity flows, sentence 4

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When electricity squeezes through a thin wire it heats it up; that is how an old bulb glows, how a toaster browns bread, and why a charger feels warm.

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**Who acts:** electricity, that, old bulb, toaster, charger · **What happens:** squeeze, heat up, be, glow, brown, feel · **To what, where:** thin wire, wire, bread

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This is a sentence of the lesson «Batteries, circuits and how electricity flows» 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 (electricity, that, old bulb, toaster), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:027-batteries-circuits-and-how-electricity-flows.lesson:4
# text = When electricity squeezes through a thin wire it heats it up; that is how an old bulb glows, how a toaster browns bread, and why a charger feels warm.
# source = school lesson (ours)
# course = physics
# lesson = 027-batteries-circuits-and-how-electricity-flows.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): R2-punct-next ×1, R5-strong ×3, R6-punct-agree ×1
1	When	when	ADV	WRB	PronType=Int	3	advmod	_	_
2	electricity	electricity	NOUN	NN	Number=Sing	3	nsubj	_	_
3	squeezes	squeeze	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	advcl	_	_
4	through	through	ADP	IN	_	7	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	thin	thin	ADJ	JJ	Degree=Pos	7	amod	_	_
7	wire	wire	NOUN	NN	Number=Sing	3	obl	_	_
8	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	nsubj	_	_
9	heats	heat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	obj	_	_
11	up	up	ADP	RP	_	9	compound:prt	_	_
12	;	;	PUNCT	,	_	15	punct	_	Agree=R2-punct-next|Haiku=9:punct
13	that	that	PRON	DT	Number=Sing|PronType=Dem	15	nsubj	_	_
14	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
15	how	how	ADV	WRB	PronType=Int	9	conj	_	_
16	an	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	Agree=R5-strong|Haiku=19:det
17	old	old	ADJ	JJ	Degree=Pos	18	amod	_	Agree=R5-strong|Haiku=19:amod
18	bulb	bulb	NOUN	NN	Number=Sing	19	nsubj	_	_
19	glows	glow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	acl:relcl	_	_
20	,	,	PUNCT	,	_	24	punct	_	Agree=R6-punct-agree|Haiku=19:punct
21	how	how	ADV	WRB	PronType=Int	24	advmod	_	_
22	a	a	DET	DT	Definite=Ind|PronType=Art	23	det	_	_
23	toaster	toaster	NOUN	NN	Number=Sing	24	nsubj	_	_
24	browns	brown	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	19	conj	_	Agree=R5-strong|Haiku=15:conj
25	bread	bread	NOUN	NN	Number=Sing	24	obj	_	_
26	,	,	PUNCT	,	_	31	punct	_	_
27	and	and	CCONJ	CC	_	31	cc	_	_
28	why	why	ADV	WRB	PronType=Int	31	advmod	_	_
29	a	a	DET	DT	Definite=Ind|PronType=Art	30	det	_	_
30	charger	charger	NOUN	NN	Number=Sing	31	nsubj	_	_
31	feels	feel	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	conj	_	_
32	warm	warm	ADJ	JJ	Degree=Pos	31	xcomp	_	_
33	.	.	PUNCT	.	_	9	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 | **squeeze** | present | electricity |  |  | a thin wire |  |  | vn push-12-1-1 «NP V PP.trajectory»: agent=Agent through wire=Trajectory |
| 2 | **heat up** | present | Electricity | wire |  |  |  |  | vn cooking-45.3 «NP.instrument V NP»: agent=Instrument it=Patient |
| 3 | **is** | present | that |  |  |  |  | how *property* | tree rules |
| 4 | **glow** | present | a old bulb |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |
| 5 | **brown** | present | a toaster | bread |  |  |  |  | vn cooking-45.3 «NP.instrument V NP»: agent=Instrument bread=Patient |
| 6 | **feel** | present | a charger |  |  |  |  | warm *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

<!-- .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.

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**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:027-batteries-circuits-and-how-electricity-flows.lesson:4`.

**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): R2-punct-next ×1, R5-strong ×3, R6-punct-agree ×1. **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/).

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