Physics (9-1) - 0972 CIE

Kinetic Particle Model Of Matter

Bayani Gaba-gaba

Ice, water and steam are all the same substance, yet they behave completely differently: one holds its shape, one flows, one fills the whole room. The difference is not in the particles themselves but in how they are arranged and how they move. The kinetic particle model explains every solid, liquid and gas with one simple picture.

In this lesson you will learn the distinguishing properties of solids, liquids and gases in terms of the arrangement, spacing and motion of their particles, and you will learn the names of the changes of state that carry a substance from one to another, such as melting, boiling, condensation and solidification.

Manufura

  1. Know the distinguishing properties of solids, liquids and gases
  2. Know the terms for the changes in state between solids, liquids and gases (gas to solid and solid to gas transfers are not required)

Darasin Sauti

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Takardar Darasi

Almost everything in thermal physics, from expansion to gas pressure to the warmth of a radiator, rests on this one model of tiny particles in constant motion. Get the picture of solids, liquids and gases clear here and the later topics fall into place, because they are all the same particles behaving in different ways.

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Nazarin Darasi

Barka da kammala darasi akan Kinetic Particle Model Of Matter. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.

Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.

Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.

  1. Which state has a fixed volume but takes the shape of its container? A. solid B. liquid C. gas D. none of these Answer: B
  2. In which state are the particles far apart and moving randomly at speed? A. solid B. liquid C. gas D. all equally Answer: C
  3. The change of state from gas to liquid is called A. melting B. boiling C. condensation D. solidifying Answer: C
  4. A solid keeps its shape because its particles A. are far apart B. move freely and fast C. vibrate about fixed positions D. have stopped moving Answer: C
  5. Which change of state occurs when molten metal cools and sets solid? A. melting B. solidifying C. condensation D. evaporation Answer: B

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