matter powerpoint.ppt

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

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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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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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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)

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BACK

Ion is the positivelycharged or negatively

charged particles


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The particles arrangementin gas are very far apartfrom each other and in

random motion


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Liquid cannot becompress easily


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Melting is the processwhere solid becomes a

liquid


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Cooling process : liquidchanges into a solid and

have strong forcesbetween the particles


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Diffusion occurs whenparticles of a substance

more in between theparticles of another

matter powerpoint.ppt

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