CBSE Class 6 Science Sorting Materials into Groups Worksheet Set A

Question. Greg Chappell, the new Indian cricket coach, wanted to find out which type of surface has the best rebound bounce. For this, what should he NOT keep the same?

(a) The drop height
(b) The type of ball
(c) The type of surface
(d) The measuring scale

Answer : C

Question. Natural resources are of two types - renewable and non-renewable. Which one of the following is a renewable natural resource?
(a) Natural gas
(b) coal
(c) Petroleum
(d) Trees

Answer : D

Question. Which of the following hypothesis CANNOT be tested scientifically?
(a) Salt dissolves in water at a faster rate than sugar.
(b) Jogging and regular exercise help curing back pain.
(c) Sweets made of jaggery taste better than those made of sugar.
(d) Rats grow in size at a slower rate compared to rabbits.

Answer : C

Question. Study the flowchart given below. Under which category would you put diamond?

(a) A
(b) B
(c) C
(d) D

Answer : A

Question. Due to which property of LPG are we asked to close the valve of the gas cylinder, in the kitchen of our homes?
(a) It is inflammable
(b) It is a liquid
(c) It has a bad smell
(d) It is a mixture

Answer : A

Question. The diagram given below shows how the world's energy supply has changed since 1850. Using the key, what valid conclusion can be reached?

(a) Gas as a source of energy is not popular nowadays.
(b) The total energy supply has remained the same since 1850.
(c) Usage of coal initially increased and then decreased.
(d) Nuclear energy is used more than oil today.

Answer : C

Question. What information does the PIN code on a letter give?
(a) the house number of the person the letter is for
(b) the town to which the letter is sent
(c) the date on which the letter was posted
(d) the time it will take for the letter to be delivered

Answer : B

Question. P and Q are two substances such that the melting point of P and the boiling point of Q are the same. If P is a solid at a certain temperature, what state will Q be in at the same temperature?
(a) solid or liquid
(b) liquid definitely
(c) gas definitely
(d) liquid or gas

Answer : A

Question. Police stop a truck at a check post which claims to be carrying sacks of Humic Acid Sodium, a black, water soluble fertilizer. When the truck is examined, it is found to have sacks of at least four different materials which the police label W, X, Y and Z.They suspect that apart from the fertilizer, the truck is carrying iron filings, gunpowder, and black powdered wood. They conduct some tests whose results are as follows .Which of them, if any, may be gunpowder?

(a) W
(b) X
(c) Y
(d) Z

Answer : D

Question. Arrange the rocks in DECREASING order of hardness. 

(a) Chalk, Flint, Granite, Sandstone, Shale
(b) Flint, Chalk, Granite, Shale, Sandstone
(c) Flint, Granite, Sandstone, Chalk, Shale
(d) Sandstone, Shale, Granite, Chalk, Flint

Answer : C

Question. Nikhil cycles to the library located on a busy main road. He wants to park his cycle. Under which of these signs should he park his cycle?

Answer : D

Question. Sometimes oil which is being carried from one place to another by ship leaks, with disastrous consequences for aquatic life. Which of these is NOT a reason why oil slicks are so harmful?
(a) Oil does not evaporate easily.
(b) Oil floats on water.
(c) Aquatic animals need air to breathe
(d) Oil is highly inflammable.

Answer : D

Question. Ramesh is performing an experiment to determine the boiling point of a liquid. The boiling point will NOT change if:
(a) salt is added to the liquid.
(b) sugar is added to the liquid.
(c) the quantity of liquid is increased.
(d) the experiment is conducted on a hill station.

Answer : C

Question. Raghav and his friends have been given 3 substances and asked to find out which of them is the hardest. Which of these is the most scientific way to start?
(a) Raghav: Let us understand what is the meaning of “hard’ and a way to measure it.""
(b) Ramesh: This piece of glass is the hardest - I have read that glass is very hard.""
(c) Sajida: Let us ask our seniors the answer - they must have done this last year.""
(d) Sanjana: This is not in our syllabus - how can we do it?""

Answer : A

Question. Identify the solid whose shape we can change without cutting or breaking it.
(a) Wax crayons
(b) Modelling clay
(c) Steel
(d) Cork

Answer : B

Question. Look at the following groups.
The property based on which they are divided into 2 groups must be:

(a) Being hard / Being soft
(b) Being transparent / Being opaque
(c) Being Brittle / Not being brittle
(d) Being heavy / Being light

Answer : C

Question. Which of these objects is likely to float on water?
(a) a nail
(b) a tight ball made of aluminum foil
(c) a cup made of aluminum foil
(d) a pencil

Answer : D

Question. Which of the following is NOT made from petroleum (crude oil)?
(a) kerosene
(b) diesel
(c) LPG
(d) coal

Answer : D

Question. Which of these objects is the heaviest?

Answer : B

Question. Study the flowchart shown here. Observe the classification of ITEM 1 and ITEM 2.What could ITEM 1 and ITEM 2 be?

(a) A
(b) B
(c) C
(d) D

Answer : C

Question. Which among the following is NOT a fossil fuel?
(a) cooking gas
(b) wood
(c) coal
(d) Petrol

Answer : B

Question. Which of the following properties of a substance will NOT depend on the AMOUNT of the substance that is present?
(a) Mass
(b) Boiling point
(c) Weight
(d) Volume

Answer : B

Question. A petrol pump attendant closes the fuel cap very quickly after filling petrol. Which property of petrol makes him do so?
(a) ductility
(b) malleability
(c) volatility
(d) elasticity

Answer : C

Question. Anita predicts that more glucose will dissolve in warm water than in cold water. She takes two beakers. In one she takes cold water, adds glucose, stirs it and notes down the amount of undissolved glucose. She should repeat this procedure in the second beaker changing only____________________.
(a) the amount of water used
(b) the temperature of the water
(c) the amount of glucose used
(d) the amount of stirring

Answer : B

            Questions

            Very Short Answer

Q1)      Define translucent?

Q2)      What kind of the materials has the lustre?

Q3)      How all objects are made up of?

Q4)      What is transparent?

Q5)      What is common in the following: Newspapers, books, notebooks, calendars?

            Short Answer

Q6)      What is the main difference between soft materials and hard materials?

Q7)      Why water plays an important role in the functioning of our body?

Q8)      Why can be objects be of different colours?

Q9)      How grouping of materials are useful?

Q10)    Why do colours and shapes matter?

            Long Answer

Q11)    State the difference between transparent and translucent?

Q12)    Distinguish between rough material and smooth material?

Q13)    State the difference between soluble and insoluble substances?

Q14)    Explain some properties of the materials?

Q15)    Distinguish between metals and non-metals?

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