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WorksheetsYR5 QUIZ
Total questions: 94
Worksheet time: 32mins
The human skeletal system functions to …
produce energy
support the body and protect internal organs
produce digestive enzymes
control breathing
Which bone protects the brain?
Femur
Rib cage
Skull
Humerus
Joints allow bones to …
shrink
fuse completely
move
dissolve
What is the circulatory system?
A system of bones in the body
A network of blood vessels transporting blood
A digestive system
A breathing process
The circulatory system transports …
oxygen and nutrients to body cells
sunlight
food waste from plants
heat only
Which blood component carries oxygen?
Plasma
Platelets
White blood cells
Red blood cells
Pathway of blood: heart → lungs → heart → … → heart. After leaving the heart the second time, the blood goes to the …
liver
whole body
intestine
stomach
If the skeletal system is damaged, the immediate effect is …
the body becomes lighter
movement becomes limited or painful
blood becomes thicker
digestion stops
Caring for the circulatory system helps to …
prevent diseases like anaemia
weaken bones
shorten height
reduce oxygen needs
When a pupil exercises lightly, the circulatory system will …
reduce blood flow to muscles
increase blood flow to muscles
stop pumping blood
become inactive
Which action maintains a healthy circulatory system?
Smoking
Eating excessive fats
Exercising regularly
Not drinking water
“Survival of species” means …
ability to live in cages
ability to produce their own energy
ability to stay alive through reproduction and adaptation
total dependence on humans
Animals that eat plants are called …
primary consumers (herbivores)
producers
predators
decomposers
Decomposers function to …
hunt prey
break down organic matter
produce seeds
carry energy to producers
If predator numbers drop drastically, the prey population will …
increase
decrease
stay the same
become extinct
Which is a defence behaviour?
Growing larger
Camouflage
Eating more leaves
Sleeping more
Which animal migrates to avoid extreme weather?
Polar bear
Migratory birds
Tortoise
Desert snake
An animal building nests to protect eggs shows …
stable population
survival of species
food chain behaviour
competition
In the food chain “paddy → rat → snake → eagle”, paddy is a …
primary consumer
producer
predator
decomposer
If disease kills many rats, what happens to eagles?
Their population increases
Their population decreases
Thick fur and fat layers help animals to …
swim fast
survive cold environments
fly high
avoid hunger
Survival behaviours such as hibernation and migration help animals to …
find food faster
be easily caught by humans
survive environmental changes
destroy forests
Cactus adaptations include …
survival of species
survival in dry environments
migration
soil decomposition
Spines on cactus function to …
produce seeds
reduce water loss and protect from predators
absorb minerals
attract insects
Seeds dispersed by wind usually have …
wings or fine hairs
sweet flesh
thick shells
heavy weight
Rambutan seeds are dispersed by …
water
wind
animals
explosion
Seeds dispersed by water include …
dandelion
coconut
chestnut
angsana
Why is seed dispersal important?
keeps seeds near parent plant only
reduces competition among same-species plants
reduces plant population
makes plants smaller
If many seeds disperse far away, it increases …
chance of all seeds dying
competition
distribution of new plants
height of parent plant
Seeds that float are adapted for …
stealing nutrients
water dispersal
attracting insects
avoiding animals
Tiny, light seeds such as dandelion are dispersed by …
water
wind
soil animals
predators
“Seed dispersal helps plants survive climate changes.” This is …
true
false
true only for big seeds
false because climate does not affect plants
Which feature does NOT help plants survive strong winds?
deep roots
flexible stems
large broad leaves
spines
If seed-carrying animals disappear, plant populations will …
decrease
increase
remain unchanged
bloom faster
Electric current is …
flow of electrons through a conductor
amount of heat in wires
sound energy
light supply
Which is a conductor?
rubber
wood
copper
plastic
In a series circuit, when one bulb burns out …
others go off
others become brighter
others stay lit
circuit becomes faster
In a parallel circuit, if one bulb goes out …
others go out
others get brighter
others stay lit
switch breaks
Electrical carelessness may cause …
stronger current
fire or electric shock
savings
stable circuits
Which saves electricity?
leaving lights on
using damaged appliances
turning off unused devices
using many batteries
Adding more batteries in series makes bulbs …
dimmer
same brightness
brighter
explode always
Standard symbol for a bulb is …
—○—
↓
⊕
+—
Renewable electrical energy source is …
dry cell
coal
hydroelectric
gas stove
Leaving appliances running for long hours causes …
lower bill
same bill
higher bill
no effect
Safe electrical practice:
pull plug by the wire
use loose plugs
switch off before unplugging
unplug with wet hands
Common temperature unit in Science Year 5 is …
Kelvin
Celsius
Fahrenheit
meter
When heated, most materials …
contract
expand
When water is heated, it expands. This shows …
contraction
expansion
evaporation
freezing
When air inside a balloon is cooled, the balloon …
contracts
bursts
expands
glows
Gaps in railway tracks exist to allow …
easy installation
expansion of metal on hot days
cheaper manufacturing
reduced sound
A thermometer measures …
length
mass
temperature
volume
When temperature decreases, liquid in thermometer …
expands
contracts
changes colour
breaks
Understanding expansion & contraction helps in …
preventing bridge damage
wasting water
breaking machines
heating metals
When heated, molecules …
stop moving
move slower
move faster and spread apart
disappear
When hot metal is placed in cold water, it …
contracts quickly
expands more
cools and may contract
melts
Rusting is …
cooling metal
iron reacting with oxygen and water
breaking metal
melting
Which rusts easily?
aluminium
copper
iron
plastic
Two main factors of rusting:
heat & light
oxygen & water
pressure & cold
magnet & electricity
Prevent rusting by …
exposing to water
painting or oiling
leaving outdoors
scratching
Rust weakens …
structures
water
wood
glass
Metal rusts faster in damp places because …
less oxygen
more oxygen & water
high pressure
no oxygen
Safety when handling rust:
ignore it
use gloves & goggles
heat rusty object
break object
Painting metal acts as …
expansion
contraction
rust protection
decomposition
Rusting affects structures by …
strengthening them
weakening them
making them waterproof
preventing electricity
Three states of matter:
air, plastic, metal
solid, liquid, gas
earth, water, sky
plasma, gel, resin
Water → ice is …
melting
freezing
evaporation
condensation
Ice → water is …
evaporation
condensation
melting
freezing
Water → vapour is …
freezing
evaporation
sinking
glowing
Water vapour cooling in the atmosphere becomes …
hotter
clouds through condensation
heavy metals
nothing
Clouds form because of …
condensation
burning gas
electricity
melting ice
Rain returns water …
into the air
from atmosphere to Earth
into space
into rocks
When clouds are saturated, they …
disappear
produce rain
explode
freeze into ice blocks
Example of a gas:
ice
fresh water
air in balloon
oil
At night, cooling vapour forms …
a faster steam
dew through condensation
plasma
fire
Moon phases occur because of …
moon changing colour
angle of sunlight hitting moon & Earth
moon producing light
clouds
One orbit of the moon takes …
7 days
14 days
27½ days
365 days
This item refers to a diagram in the worksheet. What topic does the diagram relate to in this unit?
Moon phases & constellations
Matter (states, water cycle, clouds)
Painting metal
Rusting
If the entire moon is lit from Earth’s view, phase is …
new moon
quarter moon
nearly full
full moon
When nearly all of the moon is visible …
new moon
first quarter
gibbous
full moon
Lunar calendar (Qamari) is based on …
seasons
moon phases
rainfall
stars
A constellation is …
planets group
mountains
pattern of stars
clouds
Constellations are useful for …
heating
navigation and seasons
breaking rocks
measuring height
A dipper-shaped star pattern is the …
Orion
Ursa Major (Big Dipper)
Southern Cross
Scorpio
When the moon is between Earth and Sun …
full moon
new moon
quarter moon
blue moon
Moon phases help determine …
solar calendar
lunar (Hijri) calendar dates
rainfall
day length
A machine is …
device that produces electricity
tool that makes work easier
the human body
tool for cutting only
Which is a simple machine?
smartphone
wheel and axle
television
laptop
Scissors use …
a lever
wheel and axle
screw
wedge only
Wheel and axle functions to …
disperse seeds
reduce friction
break stones
dissolve solids
A screw is used to …
cut wood
lift loads with less force
cool objects
produce light
Sustainable machines are important because they …
pollute more
reuse materials and energy
waste resources
break quickly
A bicycle uses …
screw & wedge
lever & wheel-and-axle
lever & piston
screw & lever
If the chain breaks, which part fails?
screw
wheel and axle system
lever
magnet
Features of sustainable machines include …
one-time use
reusable and long-lasting materials
being heavy
expensive only
