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