6 sentences

1. 气体受热后体积会膨胀。

   qì​tǐ shòu​rè hòu tǐ​jī huì péng​zhàng.

   Gas expands when heated.

   Source: Dong Chinese Dictionary

2. 这个塑料盒受热后变形了。

   zhè​ge sù​liào​hé shòu​rè hòu biàn​xíng le.

   This plastic box warped after being exposed to heat.

   Source: Dong Chinese Dictionary

3. 这种材料受热后体积会明显增大。

   zhè zhǒng cái​liào shòu​rè hòu tǐ​jī huì míng​xiǎn zēng​dà.

   The volume of this material will significantly increase when heated.

   Source: Dong Chinese Dictionary

4. 碳酸在受热时会分解成水和二氧化碳。

   tàn​suān zài shòu​rè shí huì fēn​jiě chéng shuǐ hé èr​yǎng​huà​tàn.

   Carbonic acid decomposes into water and carbon dioxide when heated.

   Source: Dong Chinese Dictionary

5. 这种材料在受热时会产生微小的闪光点。

   zhè zhǒng cái​liào zài shòu​rè shí huì chǎn​shēng wēi​xiǎo de shǎn​guāng​diǎn.

   This material produces tiny glints when heated.

   Source: Dong Chinese Dictionary

6. 这种物质受热以后，会慢慢从固体变成透明的液体。

   zhè zhǒng wù​zhì shòu​rè yǐ​hòu, huì màn​màn cóng gù​tǐ biàn​chéng tòu​míng de yè​tǐ.

   When heated, this substance gradually changes from a solid into a transparent liquid.

   Source: Dong Chinese Dictionary