---
title: A battery stores energy in chemicals and pushes electricity round th… — Batteries, circuits and how electricity flows · tree and pragmatics
description: A battery stores energy in chemicals and pushes electricity round the circuit until the chemicals are used up; a charger can push the chemicals of a rechargeable battery back. Who acts: battery, charger. A sentence of the lesson «Batteries, circuits and how electricity flows» of the physics course o
---

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# Batteries, circuits and how electricity flows, sentence 6

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A battery stores energy in chemicals and pushes electricity round the circuit until the chemicals are used up; a charger can push the chemicals of a rechargeable battery back.

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**Who acts:** battery, charger · **What happens:** store, push, use up · **To what, where:** energy, chemicals, electricity, circuit

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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 (battery, charger), 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:6
# text = A battery stores energy in chemicals and pushes electricity round the circuit until the chemicals are used up; a charger can push the chemicals of a rechargeable battery back.
# 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): R5-strong ×2
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	battery	battery	NOUN	NN	Number=Sing	3	nsubj	_	_
3	stores	store	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	energy	energy	NOUN	NN	Number=Sing	3	obj	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	chemicals	chemical	NOUN	NNS	Number=Plur	3	obl	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	pushes	push	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
9	electricity	electricity	NOUN	NN	Number=Sing	8	obj	_	_
10	round	round	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	circuit	circuit	NOUN	NN	Number=Sing	8	obl	_	Agree=R5-strong|Haiku=9:nmod
13	until	until	SCONJ	IN	_	17	mark	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	chemicals	chemical	NOUN	NNS	Number=Plur	17	nsubj:pass	_	_
16	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	17	aux:pass	_	_
17	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	advcl	_	Agree=R5-strong|Haiku=3:advcl
18	up	up	ADP	RP	_	17	compound:prt	_	_
19	;	;	PUNCT	,	_	3	punct	_	_
20	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
21	charger	charger	NOUN	NN	Number=Sing	23	nsubj	_	_
22	can	can	AUX	MD	VerbForm=Fin	23	aux	_	_
23	push	push	VERB	VB	VerbForm=Inf	3	parataxis	_	_
24	the	the	DET	DT	Definite=Def|PronType=Art	25	det	_	_
25	chemicals	chemical	NOUN	NNS	Number=Plur	23	obj	_	_
26	of	of	ADP	IN	_	29	case	_	_
27	a	a	DET	DT	Definite=Ind|PronType=Art	29	det	_	_
28	rechargeable	rechargeable	ADJ	JJ	Degree=Pos	29	amod	_	_
29	battery	battery	NOUN	NN	Number=Sing	25	nmod	_	_
30	back	back	ADV	RB	_	23	advmod	_	_
31	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **store** | present | a battery | energy |  | chemicals |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent energy=Theme in chemical=Location |
| 2 | **push** | present | a battery *not said here* | electricity |  | the circuit |  |  | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent electricity=Theme round circuit=Trajectory |
| 3 | **use up** | present · passive |  | the chemicals |  |  |  |  | vn eat-39.1 «NP V NP»: subject=Patient |
| 4 | **push** | can | a charger | the chemicals of a rechargeable battery |  |  |  |  | vn carry-11.4-1-1 «NP V NP»: agent=Agent chemical=Theme |

<!-- .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:6`.

**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): R5-strong ×2. **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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