Concept Maps

© Arah Pendidikan Sdn Bhd � Concept Maps Science Form 3

Chapter 1

atcarbon dioxide diffuses

oxygen diffuses

oxygencombines

with

Structure

Human RespiratorySystem

consists of

involvesmovement

of

OxygenTransport

Bloodcapillaries

Parts• Nasal cavity• Trachea• Bronchi and

bronchioles• Lungs• Ribs• Diaphragm• Intercostal

muscles

Respiratory system diseases

• Bronchitis• Emphysema• Lung cancer• Asthma

Breathing

Inhalation

Nicotine

Haze

Tar

Diaphragm Ribs

Haemoglobin

Exhalation

Gaseousexchange

Provide largesurface area

Thin wall Many bloodcapillaries

Cigarettesmoke

Factorysmoke

Vehicleexhaust

Sulphurdioxide

Carbonmonoxide

Alveoli

to form

decomposes torelease

diffusesinto

characteristics for efficientgaseous exchange

Moist wall

Haemoglobin

Oxyhaemoglobin

Cells

Oxygen

carbondioxidediffuses

suchas

contains

contains

contains

cause

Importance of aHealthy Respiratory System

Harmfulsubstances

RESPIRATION


Chapter 2

consists of

types

types

consists of

called

called

types

Humans

Heart Bloodvessels

Artery

Vein

Capillary

Plasma ABloodcells

Redbloodcell

TRANSPORT SYSTEM

Blood circulatorysystem

Universal donor

Universal recipient

B O AB

Whitebloodcell

Platelet

Blood Blood groups

consists of

occursmainlythrough

rate affected by

size controlledby

such as

Xylem Phloem

Carries synthesisedfood substances

from leaves to all parts of the plant

Carries waterand dissolvedminerals from roots to leaves

Transpiration

lncreases withtemperature

Increases withlight intensity

Increases withair movement

Decreases withhumidity

Two guardcells

Stoma

Factors

Plants

lose waterthrough

Plant vascular system

Temperature Light intensity Air movement Humidity


Chapter 3

consists of

consists of

made up of

EXCRETION

Excretory system

Kidneys(one pair)

Excretory products

• Water• Mineral salts• Urea (small

amount)

Humans

Skin

Excretory products

• Carbon dioxide

• Water

• Latex• Tannin• Resin• Gum• Volatile oils• Quinine• Nicotine• Cocaine

Excretory products

• Water• Urea• Mineral salts

Lungs

Plants

Cortex

Ureters(one pair)

Urinarybladder

Urethra

OxygenWaterCarbondioxide

Pelvis

Medulla

Urinary system

methods of excretion

excretory products

examples

excretory products

Diffusion outof stomata

Depositing in plantparts and shedding ofparts in some cases

Complex wasteproducts


Chapter 4

carried out by

divided into have

called called

contains

consists of

leads to

process oftransfer to stigma

produces

REPRODUCTION

Humans

Sexual Reproduction Asexual Reproduction

Male reproductivesystem

Female reproductivesystem

Male reproductivepart

Female reproductive part

Sperm

Zygote

Embryo

Baby

Ovum

produces produces

to form

Fertilisation

Flower

Filament

Stamen

Anther

Sepals

contains

produces

Stigma

Style

Ovary

Ovule

development ofSeed Testa

(seed coat)

consistsof

Fruit consistsof

Cotyledon

Radicle

Plumule

Suitabletemperature

Air

Water

PollinationFoetus

Pistil

Male gamete Female gamete

Pollen

Other parts

types

carried outby most

Vegetativereproduction

Budding

Binaryfission

Sporeformation

Regeneration

Embryo

Petals

Fertilisation

Conditionsfor

germination

Flowering plants


Chapter 5

GROWTHdefined as

measured usingage

divided into

boys girls

Increase in size and change in shape and function of an organism

Comparison between boys and girls

Human Growth Pattern

Human growth curve

Height

SlowMost rapid Rapid Negative

Weight

ChildhoodInfancy AdulthoodAdolescence Old age

growthrate

growthrate

growthrate

growthrate

Girls fasterthan boys

17 years18 years

Boys fasterthan girls

growthrate

growthrate

growthrate

growthrate

12 – 14years

0 – 11years

About thesame

Minimal or zero

Age atwhichgrowthstops

14 – 18years


Chapter 6

Examples• Gold• Silver• Platinum• Graphite• Sulphur

exist as

LAND AND ITS RESOURCES

Elements Compounds Wood Fossil fuels

Natural gas CoalExamples

• Oxides• Sulphides• Carbonates• Silicates Uses

• Fuel• Synthetic

materials• Solvent

Metal oxide Metal sulphide

Petroleum fractions

Uses• Glass• Ceramics• Electronic

chips• Optical

fibres

Examples• Clay• Feldspar• Asbestos• Mica• Jade

Uses• Cement• Tiles• Drying agent• Reduce soil acidity

Examples• Marble• Limestone• Coral• Shells• Egg shells

Examples• Sand• Quartz

• Silicon• Oxygen

• Silicon• Oxygen• Metals

Metals

Oxygen Sulphur

Non-metals

reacts with metal reacts with metal

Petroleum

Silicates

Silica

include

examples

divided into

contains

such as

heat

add alittlewater

add more water

contain

contain

fractionaldistillation

Silicon compounds

Calcium compounds

Calcium hydroxide solution (limewater)

contains

reacts with acid

Salt + water + carbon dioxide

• Calcium • Carbon• Oxygen

Calcium carbonate

Calciumoxide

(quicklime)

Calcium hydroxide

(slaked lime)

Minerals Natural Fuel Resources


Chapter 7

Static electrical charges Current Magnets

Voltage

Resistance

Electromagnet

Direction of current

Ohm’s law

Rubbingcertain

substancestogether

Like chargesrepel each

other

Unlike chargesattract each

other

Positivecharges

Negativecharges

Seriescircuit

Parallelcircuit

Magneticfield

Magnetic fieldlines

Closer togetherwhen magnetic

field isstronger

From northpole to south

pole

Current flowingthrough conductor

Magnetic fieldaround conductor

Temporarymagnet

VR = — I

types ofelectriccircuits

electricalquantities

is thestudy of

Electrostatics Electricity Magnetism

Electromagnetism

producedby

flow toproduce

relationshipknown as

properties

principleused in produces

have

can berepresented by

distancebetweenlines

direction

directiondepends on

is a

poles depend on

types

ELECTRICITY


Chapter 8

Diesel

NuclearBrown Blue

Hydroelectric

Power station

Transformer station

Switch zone

National Grid Network

Main substation

Step-up Step-downBranch substations

Mains fuse Electric meter

P = VI

Energy use = Power × Time

To prevent current that is too large from flowing in a circuitFuse

Fuse

3-Pin plug

Socket

To carry current leakage to the earthEarth wire

Thermal

Gas turbine

Mainsswitch

Circuitbreaker

Green and yellow stripes

Livewire

Neutralwire

Electricalappliance

Powercircuit

Earthwire

Lightingcircuit

Cost of Electrical Energy Usage

Fuse and Earth Wire

Transformers

GENERATION

OF

ELECTRICITY

Types ofGenerators

Home WiringSystem

ElectricityTransmission

and DistributionSystem

used in

contain

live wire

formulae for calculations

function

function

neutral wire

2 types

contains

colour colour colour

for fixing to

connected to

Consumer unit earth wire

has


Chapter 9

Atmosphere

Corona Photosphere

Temperature

ColourElliptical Irregular

Milky Way

Brightness Nebula Galaxy

Chromosphere

Prominence

Solar flare

SunspotClimate Aurora Satellites

Core

Heat

Size Red giant

Light

Red Blue

White dwarf Supernova

Supergiant

Nuclearreactions

Neutronstar

BlackholeCommunications

systems

Phenomena occurring on Sun’s

surface

Sun Stars

is made up of

location ofconsists of

producedetermines

coolest hottest

large star super-large star

includes

classified by

include

formedin death of

a star

millions or billionsform a

classified byshape into

has effects on Earth

such as

STARS AND GALAXIES

Spiral

small andmedium-sized

stars

large andsuper-largestars

© Arah Pendidikan Sdn Bhd �0 Concept Maps Science Form 3

Chapter 10

Rocket

Telescope Space probe Space station

Space shuttle Satellite

Weather Defence

Forestry

Geology

Agriculture

Satellite

Communications Navigation

Scientists, astronomersand their contributions

technologyrelated to space

involving

used in

applied inthe field of

SPACE EXPLORATION

Developments in theField of Astronomy

Applications ofTechnology Related

to Space

Disastermanagement

Remote sensing

Developments in Space Exploration

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