--- title: A bath bomb holds a dry acid and baking soda that react only when wa… — Mixing and dissolving · tree and pragmatics description: A bath bomb holds a dry acid and baking soda that react only when water lets them meet, making carbon dioxide bubbles. Who acts: bath bomb, dry acid, water, acid. A sentence of the lesson «Mixing and dissolving» of the chemistry course of Mova's primary school with its dependency tree and the pragma --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/6-mixing-and-dissolving/14/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Chemistry](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/) / [Mixing and dissolving](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/6-mixing-and-dissolving/) / 14 # Mixing and dissolving, sentence 14 A bath bomb holds a dry acid and baking soda that react only when water lets them meet, making carbon dioxide bubbles. **Who acts:** bath bomb, dry acid, water, acid · **What happens:** hold, react, let, meet, make · **To what, where:** dry acid, acid, dioxide bubbles This is a sentence of the lesson «Mixing and dissolving» of the chemistry 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 (bath bomb, dry acid, water, acid), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:chemistry:006-mixing-and-dissolving.lesson:14 # text = A bath bomb holds a dry acid and baking soda that react only when water lets them meet, making carbon dioxide bubbles. # source = school lesson (ours) # course = chemistry # lesson = 006-mixing-and-dissolving.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 ×1 1 A a DET DT Definite=Ind|PronType=Art 3 det _ _ 2 bath bath NOUN NN Number=Sing 3 compound _ _ 3 bomb bomb NOUN NN Number=Sing 4 nsubj _ _ 4 holds hold VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 a a DET DT Definite=Ind|PronType=Art 7 det _ _ 6 dry dry ADJ JJ Degree=Pos 7 amod _ _ 7 acid acid NOUN NN Number=Sing 4 obj _ _ 8 and and CCONJ CC _ 10 cc _ _ 9 baking baking NOUN NN Number=Sing 10 compound _ _ 10 soda soda NOUN NN Number=Sing 7 conj _ _ 11 that that PRON WDT PronType=Rel 12 nsubj _ _ 12 react react VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 7 acl:relcl _ Agree=R5-strong|Haiku=10:acl:relcl 13 only only ADV RB _ 12 advmod _ _ 14 when when ADV WRB PronType=Int 16 advmod _ _ 15 water water NOUN NN Number=Sing 16 nsubj _ _ 16 lets let VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 12 advcl _ _ 17 them they PRON PRP Case=Acc|Number=Plur|Person=3|PronType=Prs 16 obj _ _ 18 meet meet VERB VB VerbForm=Inf 16 xcomp _ _ 19 , , PUNCT , _ 20 punct _ _ 20 making make VERB VBG Tense=Pres|VerbForm=Part 4 advcl _ _ 21 carbon carbon NOUN NN Number=Sing 22 compound _ _ 22 dioxide dioxide NOUN NN Number=Sing 23 compound _ _ 23 bubbles bubble NOUN NNS Number=Plur 20 obj _ _ 24 . . PUNCT . _ 4 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **hold** | present | a bath bomb | a dry acid and baking soda | | | | | vn keep-15.2 «NP V NP»: agent=Agent acid=Theme | | 2 | **react** | present | a dry acid and baking soda | | | | | | vn respond-113 «NP V»: agent=Agent | | 3 | **let** | present | water | acid | | | | | tree rules | | 4 | **meet** | infinitive | acid *not said here* | | | | | | vn meet-36.3-1 «NP V»: agent=Agent | | 5 | **make** | gerund | a bath bomb *not said here* | dioxide bubbles | | | | | vn build-26.1-1 «NP.asset V NP»: agent=Asset bubble=Product | 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. **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:chemistry:006-mixing-and-dissolving.lesson:14`. **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 ×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/). - ← previous: [Mixing and dissolving, 13](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/6-mixing-and-dissolving/13/) - next →: [Mixing and dissolving, 15](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/6-mixing-and-dissolving/15/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/6-mixing-and-dissolving/)