Question

explain the process of contraction and expansion in terms of particle movement ​

Answer 1

Answer:

When substances expand or contract, their particles stay the same size. It is the space between the particles that changes: ... the particles in a liquid move around each other more when it is heated, and take up more room. the particles in a gas move more quickly in all directions when it is heated, and take up more room

Explanation:

hope it helps

please follow me

and

mark me as brainliest

Answer 2

$\huge {\boxed {\mathtt {\underline \color {gold} {ANSWER :- }}}}$

$\implies$ᴡʜᴇɴ sᴜʙsᴛᴀɴᴄᴇs ᴇxᴘᴀɴᴅ ᴏʀ ᴄᴏɴᴛʀᴀᴄᴛ, ᴛʜᴇɪʀ ᴘᴀʀᴛɪᴄʟᴇs sᴛᴀʏ ᴛʜᴇ sᴀᴍᴇ sɪᴢᴇ. ɪᴛ ɪs ᴛʜᴇ sᴘᴀᴄᴇ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴘᴀʀᴛɪᴄʟᴇs ᴛʜᴀᴛ ᴄʜᴀɴɢᴇs: ... ᴛʜᴇ ᴘᴀʀᴛɪᴄʟᴇs ɪɴ ᴀ ʟɪǫᴜɪᴅ ᴍᴏᴠᴇ ᴀʀᴏᴜɴᴅ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴍᴏʀᴇ ᴡʜᴇɴ ɪᴛ ɪs ʜᴇᴀᴛᴇᴅ, ᴀɴᴅ ᴛᴀᴋᴇ ᴜᴘ ᴍᴏʀᴇ ʀᴏᴏᴍ. ᴛʜᴇ ᴘᴀʀᴛɪᴄʟᴇs ɪɴ ᴀ ɢᴀs ᴍᴏᴠᴇ ᴍᴏʀᴇ ǫᴜɪᴄᴋʟʏ ɪɴ ᴀʟʟ ᴅɪʀᴇᴄᴛɪᴏɴs ᴡʜᴇɴ ɪᴛ ɪs ʜᴇᴀᴛᴇᴅ, ᴀɴᴅ ᴛᴀᴋᴇ ᴜᴘ ᴍᴏʀᴇ ʀᴏᴏᴍ.

$\implies$The difference between Contraction and Expansion. When used as nouns, contraction means a reversible reduction in size, whereas expansion means the act or process of expanding. Contraction as a noun: A reversible reduction in size.

_______________

@ɪᴛᴢsᴜɴɴᴜ...❤