Sciences - Co-ordinated (9-1) - 0973 CIE

Kinetic Particle Model Of Matter

Muhtasari

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.

Malengo

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

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Maelezo ya Somo

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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Tathmini ya Somo

Hongera kwa kukamilisha somo la Kinetic Particle Model Of Matter. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.

Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.

Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.

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
In which state are the particles far apart and moving randomly at speed? A. solid B. liquid C. gas D. all equally Answer: C
The change of state from gas to liquid is called A. melting B. boiling C. condensation D. solidifying Answer: C
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
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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Vitabu Vinavyopendekezwa

Cambridge IGCSE Physics Coursebook

Manukuu: Third edition

Mchapishaji: Cambridge University Press

Mwaka: 2021

ISBN: 978-1-108-88807-3

Maelezo: Endorsed coursebook with full coverage of the 0625/0972 syllabus, worked examples and practical skills.

Cambridge IGCSE Physics

Manukuu: Third edition

Mchapishaji: Hodder Education

Mwaka: 2014

ISBN: 978-1-4441-7642-1

Maelezo: Endorsed textbook covering the Core and Supplement content with worked examples and questions.

Jifunze zaidi kutoka vyanzo huria

Sehemu ya kitabu Phases and Classification of Matter OpenStax · Chemistry
Describe the basic properties of each physical state of matter: solid, liquid, and gas

"Chemistry: Phases and Classification of Matter" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/1-2-phases-and-classification-of-matter. Access for free at https://openstax.org/books/chemistry/pages/1-introduction
Sehemu ya kitabu Gas Pressure OpenStax · Chemistry
Define the property of pressure

"Chemistry: Gas Pressure" by OpenStax, OpenStax, Rice University, licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source: https://openstax.org/books/chemistry/pages/9-1-gas-pressure. Access for free at https://openstax.org/books/chemistry/pages/1-introduction

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