---
title: Each time a ball bounces, a little of its energy turns into heat and… — Energy: what makes things happen · tree and pragmatics
description: Each time a ball bounces, a little of its energy turns into heat and sound, so it never bounces back as high. Who acts: ball, little, Energy. A sentence of the lesson «Energy: what makes things happen» of the physics course of Mova's primary school with its dependency tree and the pragmatics of ever
---

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# Energy: what makes things happen, sentence 16

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Each time a ball bounces, a little of its energy turns into heat and sound, so it never bounces back as high.

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**Who acts:** ball, little, Energy · **What happens:** bounce, turn, not bounce back · **To what, where:** time, heat

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This is a sentence of the lesson «Energy: what makes things happen» 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 (ball, little, Energy), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:031-energy-what-makes-things-happen.lesson:16
# text = Each time a ball bounces, a little of its energy turns into heat and sound, so it never bounces back as high.
# source = school lesson (ours)
# course = physics
# lesson = 031-energy-what-makes-things-happen.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): R7-rel-agree ×1
1	Each	each	DET	DT	PronType=Tot	2	det	_	_
2	time	time	NOUN	NN	Number=Sing	12	obl:unmarked	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	ball	ball	NOUN	NN	Number=Sing	5	nsubj	_	_
5	bounces	bounce	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl	_	_
6	,	,	PUNCT	,	_	2	punct	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	little	little	ADJ	JJ	Degree=Pos	12	nsubj	_	Agree=R7-rel-agree|Haiku=12:obl
9	of	of	ADP	IN	_	11	case	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	energy	energy	NOUN	NN	Number=Sing	8	nmod	_	_
12	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
13	into	into	ADP	IN	_	14	case	_	_
14	heat	heat	NOUN	NN	Number=Sing	12	obl	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	sound	sound	NOUN	NN	Number=Sing	14	conj	_	_
17	,	,	PUNCT	,	_	21	punct	_	_
18	so	so	ADV	RB	_	21	advmod	_	_
19	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	21	nsubj	_	_
20	never	never	ADV	RB	PronType=Neg	21	advmod	_	_
21	bounces	bounce	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	conj	_	_
22	back	back	ADV	RB	_	21	advmod	_	_
23	as	as	ADP	IN	_	24	case	_	_
24	high	high	ADJ	JJ	Degree=Pos	22	obl	_	_
25	.	.	PUNCT	.	_	12	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bounce** | present | a ball | each time *not said here* |  |  |  |  | vn run-51.3.2-2 «PP.location V NP»: agent=Initial\_Location time=Theme |
| 2 | **turn** | present | a little of ball's energy |  |  | heat and sound | time |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into heat=Trajectory |
| 3 | **not** **bounce back** | present | Energy |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |

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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:031-energy-what-makes-things-happen.lesson:16`.

**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): R7-rel-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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