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8/14/2019 matter powerpoint.ppt
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Teacher asked general question tothe student about the topic.
Demonstration of diffusionphenomena by using perfume and dye Teacher lets student to try the
demonstration
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At the end of the lesson a students shouldbe able to:
Describe the particulate nature of matter
Define atoms, molecules and ions correctly State the kinetic theory of matter correctly Relate the change in the state of matter to
the change in heat Relate the change in heat to the change in
kinetic of particles Explain the inter-conversion of the states of
matter in terms of kinetic theory of mattercorrectly
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CLICK TNUMBER
EXIT MAIN MENU
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ION
MOLECULE
DIFFUSION
ATOM
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MATTERAnything that occupies space and hasmassExample: oilMade up of tiny and discrete particlesThere are spaces between theseparticlesThese particles may be atoms,molecules or ions
Exist in three states: solid, gas andliquid
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ATOMSmallest particle of an elementthat can participate in chemical
reactionExample: Carbon
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MOLECULE
Group of two or more atoms whichare chemically bonded together
It can be elements or compounds
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ION
Positively charged or negativelycharged particles
Example: sodium chloride, NaCl (salt)
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DIFFUSIONOccurs when particles of a substancemore in between the particles ofanother substanceExample: diffusion of bromine gas
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The arrangement and movementof particles in solid, liquids and
gases
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State Solid Liquid Gases
Diagram
Particlesarrangement
The particles arepacked closelytogether in an
orderly manner
The particles arepacked closely
together but notin orderly
arrangement
The particles arevery far apart
from each otherand in random
motion
Movement types The particles canonly vibrate and
rotate abouttheir fixedposition
The particles canvibrate, rotate
and movethroughout theliquid. They
collide againeach other.
The particle canvibrate, rotate
and movefreely. The rateof collision is
greater the rateof collision in
liquid.
Attractive force Strong forcesbetween the
particles
Strong forces butweaker than the
forces in thesolid
Weaker forcesbetween the
particle
Compression Cannot be compress Cannot be compresseasily
Can be compresseasily
Kinetic energy low medium High
Volume and shape fixed Fixed volume, buttake the shape
of container
Does not have afixed shape and
volume
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BACK NEXTEXIT
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a) Melting
Solid becomes a liquid
Melting point is thetemperature at which meltingoccur
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A = Solid in heated, heat energy is absorbed.Particles gain kinetic energy andvibrate faster
B = The temperature remain constant becausethe heat energy absorbed by the particlesis used to overcome the force betweenparticles. So that, the solid can turns intoliquid.- melting point- both liquid and solid are present
C = The particle in liquid absorb heat energy andmove faster.
D = All become liquid
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b) Freezing
Liquid changes into a solidFreezing point is the temperature atwhich freezing occur
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E = The particles in the liquid loose theirkinetics energy. They more slower as thetemperature decrease.
D = Liquid naphthalene begin to freeze. Itstemperature remain constant
because the heat lost to the surroundingis exactly balance by the heat energyliberated as the particles attract oneanother to form a solid.
C = The solid is cooled the particles in thesolid vibrate slower as the temperaturedecrease
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4
65 7
3
2
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All the answers below aretypes of particles EXCEPTA. Ion B. Proton C. Atom D. Molecule
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Which is the wrong pairedA. Matter - anything occupies space
and has mass B. Kinetic theory the arrangement
and movement of particles insolids, liquid, and gases C. Ion group of two or more
atoms which are chemicallybonded together
D. Change of state caused byheating or cooling
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Choose the right answer from the pictureaboveA. Gas B. Solid C. Liquid D. Atom
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Choose the suitable answer that explainabout characteristics of liquid
A. Does not have fixed shape and volume B. The particles are very far apart from
each other and in random motion C. Cannot be compressed easily D. The are strong force between the
particles
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SOLID LIQUID
What type of the process above?
A. Freezing B. Sublimation C. Evaporation D. Melting
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What will happen in the coolingprocess?
A. The particles in the molecule canonly vibrate, rotate and move morefreely
B. Attractive force increase betweenthe molecule
C. The product will be compressedeasily
D. Attractive force decrease betweenthe molecule
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What type of process that occur when wespray out perfume to the surrounding?
A. Melting B. Condensation C. Diffusion D. Evaporation
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NEXT
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BACK
These particles may be atoms,molecules or ions
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NORLIANA ABDUL RAZAKD20041018622
SAINS (KIMIA)
NORSHAHIDA ZULKIPLID20041018628
SAINS (KIMIA)
NORLIZA NORADIND20041018625
SAINS (KIMIA)
NORAZIMAH MOHAMAD TARMIZID20041018606
SAINS (KIMIA)
EXITMAIN MENU
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ARE YOU SURE WANT TO EXIT THE TOPIC ?
YES NO
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BACK
Ion is the positivelycharged or negatively
charged particles
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BACK
The particles arrangementin gas are very far apartfrom each other and in
random motion
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BACK
Liquid cannot becompress easily
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BACK
Melting is the processwhere solid becomes a
liquid
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BACK
Cooling process : liquidchanges into a solid and
have strong forcesbetween the particles
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BACK
Diffusion occurs whenparticles of a substance
more in between theparticles of another