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WorksheetsScience_grd6_revision_PA1
Total questions: 25
Worksheet time: 13mins
Spinning
The processs of removing hair from the sheep
The rearing of silkworms for the production of silk
The process of separation of cotton fibres from the seeds
The process by which fibres are twisted together to form yarn
Soluble substances
A substance that do not dissolves in a solvent to form a solution
substances that dissolve in a liquid
A substance in which other materials dissolve
A substance obtained by making more than one pure substance
Which of the following is not one of the aims of separating substances?
to get pure substances
to remove unwanted substances
to get useful substances
to divide substances into two equal parts
Which of the following materials did people use in ancient times for making clothes?
(i) Leaves of trees
(ii) Newspaper
(iii) Metal foils
(iv) Animal skin s and furs
(i) and (ii)
(i) and (iii)
(ii) and (iii)
(i) and (iv)
Which of the following are characteristics of living beings?
(i) Respiration
(ii) Reproduction
(iii) Evaporation
(iv) Excretion
Choose the correct answer from the options below
(i), (ii) and (iv) only
(i) and (ii) only
(ii) and (iv) only
(i), (ii), (iii) and (iv) only
A science class performed an investigation by evaporating a solution containing 10g of salt and 50ml of water. How much salt would you expect to find in the cup at the end of the investigation?
60g
50g
10g
5g
Which of the following is not an example of response to stimulus?
Watering in mouth when we see delicious food items
Closing of leaves of mimosa plant when touched.
Shutting our eyes when an object is suddenly thrown in our direction.
A chick hatching out of an egg.
The definition of sedimentation
The process of adding alum to the mixture
The process of settling down of heavier, insoluble components in a mixture
The process of pouring out the supernatant slowly to another container.
The method of separating insoluble components from the mixture using a filter.
Solubility
The ability of a substance to dissolve in water to form a solution
A solution that cannot dissolve any more solute.
A substance that is dissolved in the solvent.
A substance generally a liquid in which other materials dissolve.
This separation technique is based on the differences of the boiling point of the substance in the mixture
sedimentation
distillation
filtration
decantation
Cotton
This fibre is obtained from the stem of the plant
This fibre is obtained from the leaf of the plant
This fibre is obtained from the bast of the plan
This fibre is obtained from the fruit of the plant
which of the statement given below is true
Animals make their own food with the help of air, water and sunlight.
Humans are called autotrophs
Stem of a plant grow towards light is called geotropism
Green plants are called autotrophs
Reproduction
The process of removal of waste products from the body.
The property of plant stem to grow towards the source of light
All living organism produce new organisms of their own kind
The act of taking in and sending out air from the body.
Which one of the given example is incorrect for response to stimuli?
A touch-me-not plant folds its leaves quickly when you touch it
The root of a plant have a tendency to grow in the direction of earth.
A cow giving birth to a calf
If we touch a hot pan, immediately we will withdraw our hands.
Which picture given below indicates shearing
choose the translucent object from the picture
Spinning
The process of making fabric by criss-crossing two sets of yarns
The process of separation of seeds from cotton bolls
The process of soaking jute stalks in water to let these rot
The process of twisting fibres, by hand or using machine, to obtain thread or yarn.
Movement
Any motion in a part or whole of the body
When an organism move from one place to another.
Any change in the internal or external environment of an organism, which generates a reaction
The process of removal waste from the body
A mixture in which all its components are evenly distributed throughout the mixture.
Homogeneous mixture
Heterogeneous mixture
Solid-liquid mixture
Liquid-liquid mixture
Natural fibres
Fibres obtained from plants and animals
the process of soaking jute stalks
Fibres made by man using plastics
A single hair-like strand resembling a thin thread
Define miscible liquid
Solid substances that is soluble in a liquid
Solid substances that is insoluble in a liquid
Liquids that mix well with each other
Liquids that do not mix well with each other
Yarn
A single hair-like strand, resembling a thin thread
A long continuous length of interlocked fibres that is woven or knitted for making clothes
The cloth obtained by weaving or knitting from fibres or yarns
Fibres obtained from natural sources such as plants and animals.
Which statement out of the following is incorrect?
Jute is obtained from the leaves of a plant
Weaving is a process of arranging two sets of yarn together
Sieving is used for separating components of a mixture on the basis of their particle sizes
Loading used to speed up the sedimentation process.
Evaporation
The process by which liquid changes to solid
The process by which liquid changes to gas
The process by which gas changes to liquid
The process by which solid changes to liquid
Which of the following would best tell you if something is a living thing? .
It feels soft
It is green.
It produces offspring.
It soaks up water.
It can break
