Year 5 Science

First and last name

Question 1/272
All flowers have a scent.
A. True
B. False

Question 2/272
Non-flowering plants do not produce seeds.
A. True
B. False

Question 3/272
The stamen is the female part of the flower.
A. True
B. False

Question 4/272
Flowers help plants reproduce by forming seeds.
A. True
B. False

Question 5/272
Mosses and ferns are examples of flowering plants.
A. True
B. False

Question 6/272
What part of the flower is often brightly colored to attract insects?
A. Sepals
B. Stamen
C. Petals
D. Carpel

Question 7/272
Which part of the flower becomes the fruit?
A. Petals
B. Sepals
C. Stamen
D. Part of the flower that stays behind

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Question 8/272
What do ferns and mosses produce instead of seeds?
A. Cones
B. Flowers
C. Spores
D. Fruits

Question 9/272
Which of the following is a non-flowering plant?
A. Rose
B. Pine tree
C. Sunflower
D. Lily

Question 10/272
What is the main function of flowers in plants?
A. To produce food
B. To reproduce and form new plants
C. To provide shade
D. To attract animals

Question 11/272
Flowers help the plant r__ to form new plants.
A. reproduce

Question 12/272
The s__ is the male part of the flower.
A. stamen

Question 13/272
Non-flowering plants like ferns and mosses produce s__.
A. spores

Question 14/272
The o__ is the female part of the flower.
A. ovary

Question 15/272
P__ are often brightly colored to attract insects.
A. petals

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Question 16/272
What are the four main parts of a flower?
(descriptive question)

Question 17/272
How do non-flowering plants like ferns reproduce?
(descriptive question)

Question 18/272
What happens to the flower after it dies and falls off the plant?
(descriptive question)

Question 19/272
What is the life cycle of a flowering plant?
(descriptive question)

Question 20/272
Name two examples of non-flowering plants.
(descriptive question)

Question 21/272
All the changes in a flowering plant, from flowers to seeds growing into new plants called ___.
A. Life cycle

Question 22/272
Often brightly coloured to attract insects to the flower.
A. Petals

Question 23/272
The stalk of the anther.
A. Filament

Question 24/272
Little green leaves that protect the flower bud.
A. Sepal

Question 25/272
Sticky to catch pollen.
A. Stigma

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Question 26/272
Pollination can occur through both insects and wind.
A. True
B. False

Question 27/272
Butterflies prefer flowers that are small and have no nectar.
A. True
B. False

Question 28/272
Wind-pollinated flowers typically have brightly colored petals.
A. True
B. False

Question 29/272
Fertilization in flowers occurs in the ovary.
A. True
B. False

Question 30/272
After fertilization, the petals and stamens of the flower die.
A. True
B. False

Question 31/272
Which of the following is NOT a characteristic of insect-pollinated flowers?
A. Brightly colored petals
B. Scent
C. Small, dull petals
D. Nectar

Question 32/272
What do butterflies typically look for in flowers?
A. Small size
B. Lots of nectar
C. No scent
D. Smooth, light pollen

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Question 33/272
Which type of flowers are usually wind-pollinated?
A. Roses
B. Grass
C. Sunflowers
D. Orchids

Question 34/272
Where does fertilization occur in a flower?
A. Stamen
B. Petal
C. Ovary
D. Anther

Question 35/272
What happens to the ovary after fertilization?
A. It dies
B. It becomes the fruit
C. It produces nectar
D. It turns into a petal

Question 36/272
The anthers of flowers make a yellow powder. This is called p _______.
A. pollen

Question 37/272
Pollination happens when pollen moves from the anthers to s______ of a flower of the same type.
A. stigma

Question 38/272
Some plants use w_________ to blow the pollen far away.
A. wind

Question 39/272
P_________ visit flowers to feed on. They get on their bodies at the same time.
A. pollinators

Question 40/272
The o ________ becomes the fruit.
A. ovary

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Question 41/272
Fruits protect the seeds inside them.
A. True
B. False

Question 42/272
Seedlings need room, light, and water to grow into healthy plants.
(descriptive question)

Question 43/272
All seeds are dispersed by animals.
(descriptive question)

Question 44/272
Dandelion seeds are dispersed by wind.
(descriptive question)

Question 45/272
Coconut seeds are dispersed by animals.
(descriptive question)

Question 46/272
Which of the following is NOT a job of a fruit?
A. Protect the seeds
B. Help spread the seeds
C. Produce nectar
D. Provide food for animals

Question 47/272
Which type of seed dispersal involves seeds passing through an animal's body?
A. Wind dispersal
B. Water dispersal
C. Animal dispersal
D. Explosive dispersal

Question 48/272
What helps dandelion seeds float in the air?
A. Spines and hooks
B. Parachute of hairs
C. Thin papery wings
D. Spongy covering

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Question 49/272
Which of the following fruits is dispersed by water?
A. Apple
B. Coconut
C. Poppy
D. Bean pod

Question 50/272
What happens to bean pods in hot weather?
A. They float
B. They are eaten by animals
C. They explode and shoot out seeds
D. They develop spines and hooks

Question 51/272
Fruits usually have a s___ on the outside, seeds inside, and f___ around the seeds.
(descriptive question)

Question 52/272
Seed dispersal happens when a fruit is r___.
(descriptive question)

Question 53/272
Some fruits and seeds have s___ and h___ that stick onto the fur of animals.
(descriptive question)

Question 54/272
Dandelions have a parachute of h___ to help them float in the air.
(descriptive question)

Question 55/272
Mangrove seeds, called ‘sea pencils’, float upright in the s___ until they are washed onto land.
(descriptive question)

Question 56/272
Seeds can live for years without germinating until the conditions are suitable.
(descriptive question)

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Question 57/272
Germination begins when a seed absorbs air.
(descriptive question)

Question 58/272
A seed contains a food store that provides energy for germination.
(descriptive question)

Question 59/272
The process of germination involves the seed shrinking and becoming small afterward.
(descriptive question)

Question 60/272
The oldest known seed to germinate was from a lotus flower over 1,300 years old.
(descriptive question)

Question 61/272
What is germination?
A. The seed splitting into two parts
B. The process of a seed starting to grow
C. A seed drying out completely
D. A seed turning into food

Question 62/272
What is required for a seed to start germinating?
A. Sunlight
B. Water
C. Soil
D. Air

Question 63/272
What does the seed use for energy during germination?
A. Water absorbed from the soil
B. Its food store
C. Sunlight directly
D. Nutrients from the air

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Question 64/272
How old was the oldest seed to germinate?
A. 500 years
B. 1,000 years
C. 1,300 years
D. 2,000 years

Question 65/272
Where was the oldest germinated seed discovered?
A. At the top of a mountain
B. At the bottom of a lake in China
C. In the desert sands
D. Inside a sealed jar

Question 66/272
Seeds grow into new p_______.
(descriptive question)

Question 67/272
Germination starts when the seed a_______ water.
(descriptive question)

Question 68/272
The seed uses its f_______ store to provide energy during germination.
(descriptive question)

Question 69/272
The oldest seed to germinate was a l_______ seed found in China.
(descriptive question)

Question 70/272
Seeds can live for y_______ without germinating until conditions are right.
(descriptive question)

Question 71/272
explosion
A. spread their seeds away from themselves

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Question 72/272
seedlings
A. When a seed starts to grow

Question 73/272
Germination
A. Grows upwards

Question 74/272
First shoot
A. Seed pods dry out and burst open

Question 75/272
Seed dispersal
A. Seeds grow into young plants

Question 76/272
Which conditions are best for germination?
(descriptive question)

Question 77/272
Where does the seed get the energy it needs for germination?
(descriptive question)

Question 78/272
Put the stages of seed germination in order.
(descriptive question)

Question 79/272
You measure the volume of sound with a loudspeaker.
(descriptive question)

Question 80/272
A vibration is a very quick movement back and forth.
(descriptive question)

Question 81/272
Low sounds are caused by slow vibrations.
(descriptive question)

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Question 82/272
Sound travels best through solids.
(descriptive question)

Question 83/272
The volume of a sound is measured in decibels (dB).
(descriptive question)

Question 84/272
The loudness of a sound is called the dependent variable in an investigation.
(descriptive question)

Question 85/272
Bats use very low-pitched sounds that humans cannot hear.
(descriptive question)

Question 86/272
The source of sound in an investigation is the control variable.
(descriptive question)

Question 87/272
What causes sounds?
A. Light
B. Vibrations
C. Heat
D. Electricity

Question 88/272
What unit is used to measure the volume of sound?
A. Meters
B. Liters
C. Decibels
D. Kilograms

Question 89/272
Which of the following materials is a gas?
A. Water
B. Air
C. Wood
D. Metal

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Question 90/272
What describes how high or low a sound is?
A. Volume
B. Pitch
C. Frequency
D. Amplitude

Question 91/272
What type of vibrations produce a lower-pitched sound?
A. Fast
B. Slow
C. Medium
D. None

Question 92/272
What is the control variable in an investigation of sound travel?
A. Source of sound
B. Material
C. Loudness of sound
D. Temperature

Question 93/272
What happens to the sound when vibrations are bigger?
A. It gets quieter
B. It gets louder
C. It stays the same
D. It disappears

Question 94/272
What is the dependent variable in an investigation of sound travel?
A. Source of sound
B. Material
C. Loudness of sound
D. Temperature

Question 95/272
A vibration is a very quick movement b____ and f_____.
(descriptive question)

Question 96/272
You often cannot see vibrations, but you can f____ them.
(descriptive question)

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Question 97/272
The volume of a sound is how l____ or q____ it is.
(descriptive question)

Question 98/272
A decibel (dB) is the unit we use to measure s______.
(descriptive question)

Question 99/272
Slow vibrations produce a l____-pitched sound.
(descriptive question)

Question 100/272
Fast vibrations produce a h____-pitched sound.
(descriptive question)

Question 101/272
Elephants use very l____-pitched sounds that we cannot hear.
(descriptive question)

Question 102/272
Bats use very h____-pitched sounds that we cannot hear.
(descriptive question)

Question 103/272
Word Definition
(descriptive question)

Question 104/272
sound level meter
A. the things you change
B. The source of sound will be the same throughout your investigation.
C. Slow vibrations
D. a very quick movement back and forth
E. measure the volume of sound

Question 105/272
Describe each of the following sounds as high, low, quiet or loud:
(descriptive question)

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Question 106/272
Which sound was loudest?
(descriptive question)

Question 107/272
Which sound was quietest?
(descriptive question)

Question 108/272
Which sound was the quietest? Which are the independent variables in the investigation?
(descriptive question)

Question 109/272
A microphone can make a sound louder.
(descriptive question)

Question 110/272
An amplifier is part of a sound system that makes sound quieter.
(descriptive question)

Question 111/272
Curtains and carpets in buildings can help muffle sounds.
(descriptive question)

Question 112/272
Noise pollution has a positive effect on our environment.
(descriptive question)

Question 113/272
Loud sounds can damage our ears.
(descriptive question)

Question 114/272
Which of the following devices is NOT part of a sound system?
A. Microphone
B. Amplifier
C. Loudspeaker
D. Silencer

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Question 115/272
What happens when you muffle a sound?
A. It becomes louder
B. It becomes quieter
C. It becomes higher-pitched
D. It becomes clearer

Question 116/272
Noise pollution can negatively affect:
A. Plants only
B. The environment
C. Amplifiers
D. Sound systems

Question 117/272
What helps reduce noise in buildings?
A. Loudspeakers
B. Carpets and curtains
C. Microphones
D. Amplifiers

Question 118/272
Which device is used to project sound out in a sound system?
A. Microphone
B. Loudspeaker
C. Amplifier
D. Silencer

Question 119/272
An a_________ makes the sound louder in a sound system.
(descriptive question)

Question 120/272
Curtains and c_________ can help muffle sounds in a room.
(descriptive question)

Question 121/272
Noise pollution can come from h_________ played at high volume.
(descriptive question)

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Question 122/272
E_________ d_________ protect ears from loud noises.
(descriptive question)

Question 123/272
S_________ are fitted to vehicles to muffle engine noise.
(descriptive question)

Question 124/272
What is the volume of sound?
(descriptive question)

Question 125/272
The pitch of a guitar string increases when the string is tightened.
(descriptive question)

Question 126/272
Thicker strings on a guitar produce higher-pitched notes than thinner strings.
(descriptive question)

Question 127/272
Wind instruments produce sound by vibrating the air inside hollow pipes.
(descriptive question)

Question 128/272
Blocking holes in a wind instrument changes the pitch by altering the length of the air column.
(descriptive question)

Question 129/272
Pressing down on a guitar string makes the string shorter and changes the pitch.
(descriptive question)

Question 130/272
What happens to the pitch of a string when it is tightened?
A. It becomes higher-pitched
B. It becomes lower-pitched
C. It remains the same
D. It produces no sound

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Question 131/272
Which type of string produces a lower-pitched sound?
A. Thicker strings
B. Thinner strings
C. Longer strings
D. Shorter strings

Question 132/272
How do you change the pitch of a note on a wind instrument?
A. By tightening the strings
B. By blowing harder
C. By blocking holes to change the length of the air column
D. By plucking the instrument

Question 133/272
What causes the sound in wind instruments?
A. Vibrations of the strings
B. Vibrations of air inside hollow pipes
C. Pressing keys on the instrument
D. Plucking the pipes

Question 134/272
What is the function of pegs on a stringed instrument?
A. To shorten the strings
B. To make the strings looser or tighter for tuning
C. To amplify the sound
D. To change the thickness of the strings

Question 135/272
When Sofia covers more holes with her fingers, it makes the column of air in the recorder become _______.
(descriptive question)

Question 136/272
When Sofia covers fewer air holes with her fingers, it makes the column of air in the recorder ______.
(descriptive question)

Question 137/272
This makes the air vibrate _____ and gives the sound a ______ pitch.
(descriptive question)

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Question 138/272
The speed of the air ________ changes the pitch.
(descriptive question)

Question 139/272
The pitch can be _______ or ________.
(descriptive question)

Question 140/272
What is the definition of loosen?
A. an instrument you play by blowing down a tube
B. to make something tighter or shorter
C. to make something looser or longer
D. equipment that makes sounds softer
E. an electronic device to increase the volume of sound
F. to decrease the volume and make sounds less clear
G. padded protection for your ears against very loud sounds
H. to decrease the volume and make sounds less clear

Question 141/272
Liquids have particles that are closely packed but not in a fixed pattern.
A. True
B. False

Question 142/272
Gases have particles that move freely in all directions.
A. True
B. False

Question 143/272
Nitrogen makes up about four-fifths of the air.
A. True
B. False

Question 144/272
We breathe out oxygen and breathe in carbon dioxide.
A. True
B. False

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Question 145/272
The atmosphere is the layer of air that surrounds the Earth.
A. True
B. False

Question 146/272
What is air?
A. A solid
B. A liquid
C. A mixture of gases
D. A single gas

Question 147/272
In which state of matter are the particles very close together?
A. Solid
B. Liquid
C. Gas
D. Plasma

Question 148/272
Which gas makes up about four-fifths of the air?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen

Question 149/272
What is the particle model of matter used to describe?
A. The structure of solids, liquids, and gases
B. The color of gases
C. The taste of liquids
D. The smell of solids

Question 150/272
Which of the following is not a gas found in air?
A. Nitrogen
B. Oxygen
C. Carbon dioxide
D. Helium

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Question 151/272
We need o___ to live.
(descriptive question)

Question 152/272
The layer of air that surrounds the Earth is called the a___.
(descriptive question)

Question 153/272
Air pollution can make us c___ and feel dizzy.
(descriptive question)

Question 154/272
Smoke from cigarettes can cause serious d___.
(descriptive question)

Question 155/272
Factories and cars contribute to air p___.
(descriptive question)

Question 156/272
Do particles move a lot, quite a lot or hardly at all?
A. solid
B. liquid
C. gas

Question 157/272
In which state of matter:
(descriptive question)

Question 158/272
are the particles very close together?
(descriptive question)

Question 159/272
are the particles very far apart?
(descriptive question)

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Question 160/272
do the particles move fast in all directions?
(descriptive question)

Question 161/272
are the particles close together but not packed in a fixed pattern?
(descriptive question)

Question 162/272
Water exists only in two states of matter.
A. True
B. False

Question 163/272
Ice is the solid state of water.
A. True
B. False

Question 164/272
Water vapour is a liquid state of water.
A. True
B. False

Question 165/272
Water boils at a higher temperature at higher altitudes.
A. True
B. False

Question 166/272
Steam is heated water vapour.
A. True
B. False

Question 167/272
The freezing point of water is different from the melting point of ice.
A. True
B. False

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Question 168/272
When water freezes, it contracts.
A. True
B. False

Question 169/272
What state of matter is ice?
A. Liquid
B. Solid
C. Gas
D. Plasma

Question 170/272
What happens to water when it is heated to 100°C?
A. It freezes
B. It melts
C. It boils
D. It condenses

Question 171/272
What happens to the particles of a solid when it is heated?
A. They move more slowly
B. They move more quickly and pull further apart
C. They stay the same
D. They contract

Question 172/272
What is the unit used to measure temperature?
A. Meters
B. Liters
C. Degrees centigrade (°C)
D. Kilograms

Question 173/272
What is the process called when a solid changes into a liquid?
A. Boiling
B. Freezing
C. Melting
D. Condensation

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Question 174/272
What happens to water at higher altitudes?
A. It boils at a higher temperature
B. It boils at a lower temperature
C. It freezes at a higher temperature
D. It freezes at a lower temperature

Question 175/272
Which answer shows the process of melting?
A. liquid + heat → solid
B. gas – heat —-> liquid
C. solid + heat —-> liquid
D. solid – heat —--> liquid

Question 176/272
Water exists in all three states of m____.
(descriptive question)

Question 177/272
When we heat ice, it m____ to form liquid water.
(descriptive question)

Question 178/272
The melting point of ice is 0°C, the same as the f____ point of water.
(descriptive question)

Question 179/272
The boiling point of pure water is 100°C, but it can be different if there are other s____ mixed in.
(descriptive question)

Question 180/272
When water freezes, it e____ instead of contracting.
(descriptive question)

Question 181/272
A s______ is a mixture of the solute and the solvent.
(descriptive question)

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Question 182/272
Melting point and boiling point are p________ of substances.
(descriptive question)

Question 183/272
We measure temperature with a t _______.
(descriptive question)

Question 184/272
When solids are heated, their particles gain e_____ and start to move more quickly.
(descriptive question)

Question 185/272
When water boils it forms b______ of a gas called steam.
(descriptive question)

Question 186/272
What happens to water particles when they gain heat?
(descriptive question)

Question 187/272
What are the three states of matter in which water exists?
(descriptive question)

Question 188/272
What happens to the particles of a solid when it is heated?
(descriptive question)

Question 189/272
What is the melting point of ice?
(descriptive question)

Question 190/272
What is the boiling point of pure water?
(descriptive question)

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Question 191/272
What is the term for when particles throughout a liquid change into a gas, usually at a high temperature?
A. Boiling
B. Melting
C. Contracting
D. Expanding

Question 192/272
What is the temperature at which a liquid boils and becomes a gas called?
A. Melting point
B. Boiling point
C. Freezing point
D. Condensation point

Question 193/272
What is the process called when a solid changes state to become a liquid?
A. Boiling
B. Freezing
C. Melting
D. Condensing

Question 194/272
What is the temperature at which a solid melts and becomes a liquid called?
A. Boiling point
B. Melting point
C. Freezing point
D. Sublimation point

Question 195/272
What is heated water vapor known as?
A. Ice
B. Steam
C. Liquid water
D. Dew

Question 196/272
How do we measure the amount of heat in a substance?
A. Using a barometer
B. Using a thermometer
C. Using a ruler
D. Using a scale

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Question 197/272
What instrument is used to measure temperature?
A. Thermometer
B. Barometer
C. Hygrometer
D. Anemometer

Question 198/272
What is the layer of air around the Earth called?
A. Hydrosphere
B. Atmosphere
C. Lithosphere
D. Biosphere

Question 199/272
Water disappears when it evaporates.
(descriptive question)

Question 200/272
Condensation occurs when a gas changes to a liquid.
(descriptive question)

Question 201/272
Heat makes condensation happen faster.
(descriptive question)

Question 202/272
Particles must lose energy before they can condense.
(descriptive question)

Question 203/272
When a liquid evaporates it changes from the liquid state to the solid state.
(descriptive question)

Question 204/272
Evaporation occurs when a _____ changes into a______.
(descriptive question)

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Question 205/272
Evaporation happens because the particles _______ heat.
(descriptive question)

Question 206/272
Evaporation happens because the particles move _______.
(descriptive question)

Question 207/272
The particles in evaporation are _______ until some of them escape from the surface and become a gas.
(descriptive question)

Question 208/272
The opposite process to evaporation is ______.
(descriptive question)

Question 209/272
Water changes into a gas called water v______.
(descriptive question)

Question 210/272
When particles on the surface of a liquid change into a gas, we say the liquid e__________.
(descriptive question)

Question 211/272
Evaporation happens because some particles in the liquid gain h___ energy.
(descriptive question)

Question 212/272
The process of water vapor gas changing to drops of liquid water is called
c___________.
(descriptive question)

Question 213/272
Condensation happens because the particles of a gas lose e______ when
they get cooler.
IV. Short Questions.
(descriptive question)

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Question 214/272
Where does the evaporated water go?
(descriptive question)

Question 215/272
What happens to water vapor when it condenses?
(descriptive question)

Question 216/272
How does the evaporated water get back to Earth?
(descriptive question)

Question 217/272
Which process is the reverse of the evaporation process?
(descriptive question)

Question 218/272
Why is the water cycle important to us?
3.4 Solutions
A. True or False

Question 219/272
When sugar dissolves in tea, it spreads out into the spaces between the tea
particles.
(descriptive question)

Question 220/272
A solution is a type of mixture where the solute and solvent are chemically
joined together.
(descriptive question)

Question 221/272
Water is sometimes called the universal solvent because many substances
can dissolve in it.
(descriptive question)

Question 222/272
Polluted water can harm plants, animals, and people.
(descriptive question)

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Question 223/272
Pesticides can pollute natural water sources when they dissolve in rainwater.
(descriptive question)

Question 224/272
Insoluble substances like oil and plastics can also cause water pollution.
(descriptive question)

Question 225/272
Dissolving is a type of mixing where the solid mixes with the liquid.
(descriptive question)

Question 226/272
We can separate a dissolved solute from a solution by filtration.
II. Multiple choice
(descriptive question)

Question 227/272
What happens to sugar when it is stirred into tea?
A. It evaporates
B. It dissolves
C. It sinks to the bottom
D. It remains visible

Question 228/272
What is the term for solids that can dissolve in a liquid?
A. Insoluble solids
B. Soluble solids
C. Mixtures
D. Solutions

Question 229/272
In a solution, the solid that dissolves is called the:
A. Solvent
B. Solute
C. Mixture
D. Particle

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Question 230/272
What is the solvent in sea water?
A. Salt
B. Water
C. Sugar
D. Tea

Question 231/272
Which of the following is a property of water?
A. It is always a solute
B. It can dissolve many substances
C. It is always polluted
D. It cannot dissolve any substances

Question 232/272
What can pollute water and harm plants, animals, and people?
A. Dissolved chemicals
B. Pure water
C. Clean air
D. Fresh fruits

Question 233/272
What do farmers use to kill pests on their crops?
A. Fertilizers
B. Pesticides
C. Water
D. Soil

Question 234/272
Which of the following is an example of an insoluble substance in water?
A. Sugar
B. Salt
C. Oil
D. Vinegar
III. Fill in the gaps (first letter)

Question 235/272
When sugar dissolves in tea, the sugar particles spread out into the spaces
between the t_______ particles.
(descriptive question)

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 Year 5 Science

Question 236/272
Solids that can dissolve in a liquid are called s_______ solids.
(descriptive question)

Question 237/272
The solid in a solution is called the s_______, and the liquid is called the
s_______.
(descriptive question)

Question 238/272
Water is sometimes called the u _______ solvent because many substances
can dissolve in it.
(descriptive question)

Question 239/272
Polluted water can harm p_______, a_______, and p _______.
(descriptive question)

Question 240/272
Dissolved chemicals from factories can pollute r_______ and l _______.
(descriptive question)

Question 241/272
Farmers use chemical f _______ to make their crops grow better.
(descriptive question)

Question 242/272
We can separate the dissolved solute from a solution by e_________.
IV. Short Questions.
(descriptive question)

Question 243/272
What is dissolving?
(descriptive question)

Question 244/272
Name the two parts of a solution.
(descriptive question)

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Question 245/272
Why is water sometimes called the universal solvent?
(descriptive question)

Question 246/272
Name two soluble substances that cause water pollution.
(descriptive question)

Question 247/272
Name two insoluble substances that cause water pollution.
(descriptive question)

Question 248/272
Independent Variable
What is the independent variable in an experiment?
A. The variable that is measured
B. The variable that is changed on purpose
C. The variable that stays the same
D. The variable that is unpredictable

Question 249/272
Dependent Variable
Which of the following describes the dependent variable in an experiment?
A. The factor that is changed on purpose
B. The factor that is controlled
C. The factor that is measured or observed
D. The factor that has no effect on results

Question 250/272
Control Variable
What is the purpose of a control variable in an experiment?
A. To keep the experiment unfair
B. To compare different results
C. To ensure only the independent variable affects the results
D. To measure changes in the experiment

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 Year 5 Science

Question 251/272
Anther
What is the function of the anther in a flower?
A. To produce pollen
B. To attract pollinators
C. To hold the ovary
D. To support the stigma

Question 252/272
Carpel
Which part of the flower contains the carpel?
A. The male reproductive part
B. The female reproductive part
C. The petals
D. The stem

Question 253/272
Filament
What is the role of the filament in a flower?
A. To support the anther
B. To produce pollen
C. To carry nectar
D. To attract insects

Question 254/272
Ovary
Where are the ovules found in a flower?
A. In the stigma
B. In the anther
C. In the ovary
D. In the petals

Question 255/272
Petals
Why do flowers have brightly colored petals?
A. To support the stem
B. To help in seed dispersal
C. To attract pollinators
D. To produce pollen

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 Year 5 Science

Question 256/272
Pollen
Which part of the flower produces pollen?
A. Stigma
B. Ovary
C. Anther
D. Sepals

Question 257/272
Scent
How does the scent of a flower help in reproduction?
A. It repels animals
B. It attracts pollinators
C. It helps the ovules develop
D. It protects the flower from insects

Question 258/272
Sepals
What is the function of sepals in a flower?
A. To protect the flower bud
B. To attract pollinators
C. To transport water
D. To produce pollen

Question 259/272
Spores
How do spores differ from seeds?
A. They are produced by flowering plants
B. They contain stored food
C. They are produced by non-flowering plants
D. They cannot grow into new plants

Question 260/272
Stamen
What is the main function of the stamen in a flower?
A. To produce seeds
B. To produce pollen
C. To absorb sunlight
D. To attract insects

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 Year 5 Science

Question 261/272
Stigma
Which of the following best describes the stigma?
A. It produces nectar
B. It collects pollen for fertilization
C. It supports the petals
D. It is part of the stem

Question 262/272
Flowering Plant
Which of the following is an example of a flowering plant?
A. Fern
B. Moss
C. Rose
D. Pine tree

Question 263/272
Non-flowering Plant
Which of these is NOT a flowering plant?
A. Sunflower
B. Fern
C. Apple tree
D. Tulip

Question 264/272
Pollination
What is pollination?
A. The transfer of pollen from the stamen to the carpel
B. The process of seed germination
C. The movement of plants in the wind
D. The transport of water in plants

Question 265/272
Pollinator
Which of the following is a common pollinator?
A. Earthworm
B. Bee
C. Frog
D. Fish

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 Year 5 Science

Question 266/272
Nectar
What is nectar?
A. A part of the root
B. A sticky substance on the leaves
C. A sweet liquid in flowers that attracts pollinators
D. A type of pollen grain

Question 267/272
Adaptations
Which of these are not the adaptations of the insect-pollinated flowers?
A. brightly colored petals
B. have sweet scent
C. produce nectar
D. have hard smooth pollen

Question 268/272
Methods of Seed Dispersal
Which of the following is NOT a method of seed dispersal?
A. Wind
B. Water
C. Animals
D. Photosynthesis

Question 269/272
Function of Fruits
What is the main function of a fruit?
A. To protect and spread seeds
B. To perform photosynthesis
C. To absorb water
D. To attract insects

Question 270/272
Flesh
What part of a fruit do humans usually eat?
A. The ovary
B. The petals
C. The flesh
D. The stem

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Question 271/272
Adaptations
Wind pollinated flowers have these pollinations except
A. small and dull color petals
B. have sweet nectar
C. lots of smooth, light pollen
D. stigmas exposed to air current

Question 272/272
Pollens and eggs join together to make seeds in a process called ___.
A. photosynthesis
B. pollination
C. fermentation
D. fertilization

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