--- title: Dry ice is frozen carbon dioxide that turns straight into gas; it mu… — Melting, freezing, boiling and condensing · tree and pragmatics description: Dry ice is frozen carbon dioxide that turns straight into gas; it must never be touched with bare hands, because it burns with cold. Who acts: Dry ice, frozen carbon dioxide, gas. A sentence of the lesson «Melting, freezing, boiling and condensing» of the chemistry course of Mova's primary school wi --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/chemistry/5-melting-freezing-boiling-condensing/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/) / [Melting, freezing, boiling and condens…](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/5-melting-freezing-boiling-condensing/) / 14 # Melting, freezing, boiling and condensing, sentence 14 Dry ice is frozen carbon dioxide that turns straight into gas; it must never be touched with bare hands, because it burns with cold. **Who acts:** Dry ice, frozen carbon dioxide, gas · **What happens:** freeze, be, turn, not touch, burn · **To what, where:** frozen carbon dioxide, gas This is a sentence of the lesson «Melting, freezing, boiling and condensing» 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 (Dry ice, frozen carbon dioxide, gas), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:chemistry:005-melting-freezing-boiling-condensing.lesson:14 # text = Dry ice is frozen carbon dioxide that turns straight into gas; it must never be touched with bare hands, because it burns with cold. # source = school lesson (ours) # course = chemistry # lesson = 005-melting-freezing-boiling-condensing.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, R8-pos-agree ×1 1 Dry dry ADJ JJ Degree=Pos 2 amod _ _ 2 ice ice NOUN NN Number=Sing 6 nsubj _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 cop _ _ 4 frozen freeze VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 6 amod _ Agree=R8-pos-agree|Haiku=6:amod|HaikuPos=ADJ:JJ:Degree=Pos 5 carbon carbon NOUN NN Number=Sing 6 compound _ _ 6 dioxide dioxide NOUN NN Number=Sing 0 root _ _ 7 that that PRON WDT PronType=Rel 8 nsubj _ _ 8 turns turn VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 6 acl:relcl _ _ 9 straight straight ADV RB _ 11 advmod _ _ 10 into into ADP IN _ 11 case _ _ 11 gas gas NOUN NN Number=Sing 8 obl _ _ 12 ; ; PUNCT , _ 17 punct _ _ 13 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 17 nsubj:pass _ _ 14 must must AUX MD VerbForm=Fin 17 aux _ _ 15 never never ADV RB PronType=Neg 17 advmod _ _ 16 be be AUX VB VerbForm=Inf 17 aux:pass _ _ 17 touched touch VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 6 parataxis _ _ 18 with with ADP IN _ 20 case _ _ 19 bare bare ADJ JJ Degree=Pos 20 amod _ _ 20 hands hand NOUN NNS Number=Plur 17 obl _ _ 21 , , PUNCT , _ 24 punct _ _ 22 because because SCONJ IN _ 24 mark _ _ 23 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 24 nsubj _ _ 24 burns burn VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 17 advcl _ Agree=R7-rel-agree|Haiku=17:conj 25 with with ADP IN _ 26 case _ _ 26 cold cold NOUN NN Number=Sing 24 obl _ _ 27 . . PUNCT . _ 6 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **freeze** | participle | | | | | | | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient | | 2 | **is a** | present | Dry ice | frozen carbon dioxide | | | | | tree rules | | 3 | **turn** | present | frozen carbon dioxide | | | gas | | | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into gas=Trajectory | | 4 | **not** **touch** | must · passive | | gas | | | | with bare hands | vn touch-20-1 «NP V NP PP.instrument»: subject=Theme with hand=Instrument | | 5 | **burn** | present | gas | | | | | with cold | vn light\_emission-43.1 «NP.location V PP.theme»: agent=Location with cold=Theme | 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:005-melting-freezing-boiling-condensing.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): R7-rel-agree ×1, R8-pos-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/). - ← previous: [Melting, freezing, boiling and condens…, 13](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/5-melting-freezing-boiling-condensing/13/) - next →: [Melting, freezing, boiling and condens…, 15](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/5-melting-freezing-boiling-condensing/15/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/5-melting-freezing-boiling-condensing/)