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WorksheetsRevision Quiz: Science Year 6
Total questions: 63
Worksheet time: 5hrs 15mins
Which of the following is the correct pairing for the organs and their system?
heart - circulation system
stomach - breathing system
lungs - control system
kidneys - digestion system
Sun -> Baobab tree -> Giraffe -> Lion
We know that all food chains should begin with the producer. Why is the sun at the beginning of this food chain?
Something that can make their own food is called a in the food chain.
(a)
Which of these is NOT a reversible change?
Dissolving salt in water
Melting butter in a hot pan
Baking a cake
Putting water into the freezer
Please explain what is an irreversible change?
Your heart beats faster when you exercise.
True
False
How do the kidneys work?
Send signals to all parts of the body
Pumps blood around the body
Contains air
Filter blood from waste
Which of these statements is one that is in favour of deforestation?
If we remove the forest, many kinds of plants and animals will disappear forever.
I need wood to make tables and chairs.
There may be new cures for diseases in these trees.
The forest provides me with food. What will I eat if they take away the forest?
What is the name of the process of a producer making their own food?
(a)
Mixtures can be separated.
True
False
Food is pushed down the into the stomach.
mouth
stomach
intestines
gullet
Name the organ shown in the picture.
(a)
What is the name of the waste from kidneys called?
(a)
How is the brain protected from damage?
(a)
Name the body system that the heart is part of.
Circulatory system
Respiratory system
Nervous system
Excretory system
The left side of the heart pumps blood that contains .
blood vessels
food
oxygen
waste products
Which part of the digestive system mixes food with digestive juices?
gullet
intestine
mouth
stomach
The kidneys are a pair of bean-shaped organs that the blood to remove waste products.
excrete
filter
waste
urine
Which body system is the brain part of?
(a)
Your tells you how fast your heart is beating.
breathing
circulation
digestion
pulse
We know that carbon monoxide, sulfur dioxide and nitrogen dioxide are causing air pollution. Where do the pollutants/gases come from?
What is the difference between a predator and a prey?
How would you separate a mixture of salt and water?
Using condensation
Using filtration
Using hands
It is chemically bonded so cannot be separated
A solid that does not dissolve in a liquid is called an substances.
(a)
Pablo added a substance to water. After ten minutes, the substance didn't spread in the water and the substance is seen floating on top of the liquid. Is this a solution? If not, what do you call this?
(a)
How do you differentiate between a mixture and a pure substance?
In a cup of coffee, the coffee powder is the and the hot water is the solvent.
(a)
Please tell me something interesting about our heart.
Which side of the heart pumps blood to the lungs?
left
right
In the first step of digestion, food is digested by teeth and .
(a)
What is the function of the respiratory system?
to pump blood around the body
to take in oxygen
to control balance
to break down food
What is the importance of the excretory system to the human body?
to digest food
to carry blood to all parts of the body
to inhale and exhale air
to remove waste
When you exhale, your lungs become
(a)
When food reaches your stomach, food gets mixed with to further break down and get digested.
(a)
Your teeth is part of which system?
Circulatory system
Respiratory system
Digestive system
Nervous system
What is the name of the waste removed by the lungs?
urine
carbon dioxide
feces
oxygen
Where is the lungs?
inside the rib cage
part of the digestive system
in the skull
in between the kidneys
Where is the cerebrum?
(a)
What does every food chain always start with?
(a)
What do you call the feeding relationship between the living things/
(a)
Explain what is a predator.
Which of the following is not a predator?
Bear
Humans
Venus flytrap
Spinach
The pitcher’s plant is a …
Predator
Prey
Which of the following food chain is WRONG?
antelope —> leaves —> lion
sun —> grass —> mouse —> eagle
sun —> grass —> zebra —> lion
sun —> trees —> giraffe —> cheetah
How is the producer considered special?
They produce food for all consumers.
They produce food for the predators
They produce food for themselves without any help from other animals
They consume all the food in the habitat
Deforestation can cause an increase of (a) in the atmosphere.
What is the leading cause of deforestation?
Diseases
Farming
Paper industry
Animals moving out of their habitat
Which of the following is a purpose of forests?
Stop erosion from happening
Provide homes for humans
Provide land for factories to be built
Add on more carbon dioxide
Air pollution will cause lung cancer.
True
False
Apart from pollutant gases, there is also particles of coal and (a) in air pollution.
Sewage water is the main cause of air pollution
True
False
Statues can be corroded due to acid rain.
True
False
Using old newspaper to wrap up glass goods when you move is an example of…
Recycling
Collecting and sorting waste
Buying less
Pollution
Creating compost is an example of…
Reusing materials
Sorting waste
Reducing rubbish
Buying less
Open and close the freezer will help save the electric energy because you are using less air conditioner
True
False
When a (a) dissolves in a liquid, a solution is formed
What is the use of a sieve?
To separate a solution
To separate chemically bonded substances
To separate two or more substances that are not chemically bonded
To clean the air
Making a chocolate pudding is an example of irreversible change.
True
False
Flour do not dissolve in water but (a) to the bottom.
Which of the following is a irreversible change?
A nail rusting due to rain
Making popsicles
Condensation
Making a candle
Which of the following method is suitable to get clean water from the river?
Sorting
Filtering
Boiling
Condensation
What do you call the liquid where you dissolve a soluble in to create a solution?
(a)
I have a liquid that is impossible to separate using sieving. What do we call this solution?
Mixture
Pure substance
