Sorting Materials Into Groups Worksheet

Objective Type Questions

1. Match the objects in Column A with appropriate characteristics given in column B:
   
   
   
2. State whether the following statements are true or false. In case of false statement, write the correct one. 
   (i) Materials which can be compressed or scratched easily are called translucent materials.
   (a) True
   (b) False
   (ii) Materials which generally have lustre are called plastics.
   (a) True
   (b) False
   
   
3. Find odd one out from the following with reason:
   (a) Apricot, Peach, Jasmine, Pomegranate, Raspberries.
   (b) Nilgiri, Godavari, Satpura, Shivalik, Girnar
   
   Multiple Choice Questions
   
   
4. Teacher asked Nilay to tick mark the items which can be made without utilizing metal at all. Help Nilay to choose the item/s.
   
   (a) Both A and E
   (b) Only D
   (c) Only C
   (d) Both B and C
   
   
5. An experiment was conducted in Asmi’s classroom with different sheets to check transparency. A source of light was observed through these four sheets. 
   Sheet 1: Oily butter paper
   Sheet 2: Wooden slate
   Sheet 3: Clean glass
   Sheet 4: White tissue paper
   
   Which of the following is correct?
   
   
   
6. Below given table shows two sorted groups labelled as Group A and Group B. Which option correctly lists other objects that can be included in Group A and Group B?
   
   (a) Group A: Plastic tiffin box, Group B: Apple
   (b) Group A: Furry toy, Group B: Cow
   (c) Group A: Silver spoon, Group B: Rice
   (d) Group A: Apple, Group B: Gold ring
   
   
7. Mugdha says that a woolen ball is harder than a plastic doll and a glass bowl is tougher than a steel bowl. On examining these materials, what can be correctly said about them?
   
   (a) It is easier to break a steel bowl than a glass bowl.
   (b) It is easier to compress woollen balls than plastic dolls.
   (c) The glass bowl is easier to break than the steel bowl.
   (d) The glass bowl tears up more easily than the woollen ball.
   
   
8. Sevanthi dropped a coin, a plastic scale and a stone in a bucketful water. Which of these would sink or float?
   (a) Stone and plastic scale would sink but coin would float.
   (b) Coin and stone would sink and plastic scale would float.
   (c) Plastic scale and coin would float, but stone would sink.
   (d) All of three would sink.
   
   
9. Sunil tried to dissolve a spoonful of sand, salt and sugar in a glass of water. Which of the following would be observed?
   (a) Only salt and sand are soluble in water.
   (b) Only sugar and sand are soluble in water.
   (c) Only salt and sugar are soluble in water.
   (d) All three are soluble in water.
   
   
10. Which of the following objects would show luster?
    (a) Clay kadhai
    (b) Wooden ship
    (c) Steel furniture
    (d) Plastic bucket
    
    
11. The materials which can NOT be used by milk seller for milk delivery is:
    (a) Cloth bag
    (b) Plastic bag
    (c) Steel container
    (d) Glass bottle
    
    Case Study Questions
    
    
12. At home, we usually store things in such a manner that similar objects are placed together.  Such an arrangement helps us to locate them easily. Similarly, a grocer usually keeps all type of biscuits at one corner of his shop, all soaps at another while grains and pulses are stored at some other place.
    (a) What is meant by sorting? 
    (b) What is the need of sorting?  
    (c) How sorting helps the shopkeeper?
    
    
13. When you press different materials with your hands, some of them may be hard to compress while others can be easily compressed.  On the other hand, there are some materials through which you are not able to see. Shopkeepers usually prefer to keep biscuits, sweets and other eatables in transparent containers.
    (a) Why shopkeepers keep the eatables in transparent materials?
    (b) Name two compressible and non-compressible materials each. 
    (c) Distinguish between opaque, transparent and translucent materials along with an example for each.
    
    Subjective Questions
    
    
14. On birthday evening, Vidya could cut the cake with knife easily but she faced difficulty in breaking walnuts gifted by her Dadi. What conclusion can be made by this? 
    
    
    
15. Identify properties and write Yes/No accordingly.
    
    
    
16. Comment: Frosted glass cannot be used for front window of any four wheeler.  
    
    
    
17. Kasturi enjoying her summer vacation was asked by her mother to sort out weekly grocery just delivered to her house from nearby grocery store.  Which of these need to be stored in the refrigerator? Write Yes or No in front of their names.
    
    
    
    
    
18. Adwait tried to get back lustre by rubbing below objects with sand paper. Which of the following objects cannot regain their lustre upon being rubbed with sandpaper and why?
    
    Tarnished copper mug, dusty ceramic cutlery, rusted iron nails, silver diya, tinted plastic table top.
    
    Assertion Reasoning Questions
    
    Below questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
    
    
    
19. Assertion (A): The greasy patch on the butter paper is termed as translucent.
    Reason (R): Translucent materials are those through which objects can be viewed but not clearly.     
    
    
20. Assertion (A): Some materials float on the surface of the water, while others sink.
    Reason(R): The materials which are difficult to compress are called hard.

Objective Type Questions

1. Match the objects in Column A with appropriate characteristics given in column B:
   
   
   Solution:
   
   
   
2. State whether the following statements are true or false. In case of false statement, write the correct one. 
   (i) Materials which can be compressed or scratched easily are called translucent materials.
   (a) True
   (b) False
   (ii) Materials which generally have lustre are called plastics.
   (a) True
   (b) False
   
   (i) Correct option: (b) False.
   Solution: Materials which can be compressed or scratched easily are called soft materials.
   (ii) Correct option: (b) False
   Solution: Materials which generally have lustre are called metals.
   
   
3. Find odd one out from the following with reason:
   (a) Apricot, Peach, Jasmine, Pomegranate, Raspberries.
   (b) Nilgiri, Godavari, Satpura, Shivalik, Girnar
   
   Solution:
   (a) Jasmine
   Reason: Apricot, Peach, Pomegranate, Raspberries are the names of fruits, hence are used to eat directly while Jasmine is the name of a flower and not eatable.
   (b) Godavari:
   Reason: Nilgiri, Satpura, Shivalik and Girnar are the names of range of mountains made up of soil, stones and sand while Godavari is the name of a river made up of water.
   
   Multiple Choice Questions
   
   
4. Teacher asked Nilay to tick mark the items which can be made without utilizing metal at all. Help Nilay to choose the item/s.
   
   (a) Both A and E
   (b) Only D
   (c) Only C
   (d) Both B and C
   
   Correct option: (c) Only C
   Solution: The container used to store water can be made completely made up of plastic i.e. without using metal at all.
   
   
5. An experiment was conducted in Asmi’s classroom with different sheets to check transparency. A source of light was observed through these four sheets. 
   Sheet 1: Oily butter paper
   Sheet 2: Wooden slate
   Sheet 3: Clean glass
   Sheet 4: White tissue paper
   
   Which of the following is correct?
   
   
   
   Correct option: (d)
   
   Solution: We are unable to see through wooden slate while we can clearly see through clean glass table top, hence they are opaque and transparent respectively. We can see through oily butter paper and white tissue paper but not clearly, hence they are translucent.
   
   
6. Below given table shows two sorted groups labelled as Group A and Group B. Which option correctly lists other objects that can be included in Group A and Group B?
   
   (a) Group A: Plastic tiffin box, Group B: Apple
   (b) Group A: Furry toy, Group B: Cow
   (c) Group A: Silver spoon, Group B: Rice
   (d) Group A: Apple, Group B: Gold ring
   
   Correct option: (c) Group A: Silver spoon, Group B: Rice
   Solution: Group A consists of metallic objects while group B consists of eatables.
   
   
7. Mugdha says that a woolen ball is harder than a plastic doll and a glass bowl is tougher than a steel bowl. On examining these materials, what can be correctly said about them?
   
   (a) It is easier to break a steel bowl than a glass bowl.
   (b) It is easier to compress woollen balls than plastic dolls.
   (c) The glass bowl is easier to break than the steel bowl.
   (d) The glass bowl tears up more easily than the woollen ball.
   
   Correct option: (c) The glass bowl is easier to break than the steel bowl.
   Solution: Materials which can be compressed or scratched easily are called soft while some other materials which are difficult to compress and break are called hard.
   
   
8. Sevanthi dropped a coin, a plastic scale and a stone in a bucketful water. Which of these would sink or float?
   (a) Stone and plastic scale would sink but coin would float.
   (b) Coin and stone would sink and plastic scale would float.
   (c) Plastic scale and coin would float, but stone would sink.
   (d) All of three would sink.
   
   Correct option: (b) Coin and stone would sink and plastic scale would float. 
   
   Solution:  Heavier objects such as the coin and the stone sink in water while lighter object like plastic scale float on water.
   
   
9. Sunil tried to dissolve a spoonful of sand, salt and sugar in a glass of water. Which of the following would be observed?
   (a) Only salt and sand are soluble in water.
   (b) Only sugar and sand are soluble in water.
   (c) Only salt and sugar are soluble in water.
   (d) All three are soluble in water.
   
   Correct option: (c) Only salt and sugar are soluble in water.
   Solution:  Substances which completely disappeared or dissolved in water are called soluble substances while other substances do not mix with water and do not disappear even after we stir are called insoluble substances.
   
   
10. Which of the following objects would show luster?
    (a) Clay kadhai
    (b) Wooden ship
    (c) Steel furniture
    (d) Plastic bucket
    
    Correct option: (c) Steel furniture
    Solution: Metallic objects show lustre.
    
    
11. The materials which can NOT be used by milk seller for milk delivery is:
    (a) Cloth bag
    (b) Plastic bag
    (c) Steel container
    (d) Glass bottle
    
    Correct option: (a) Cloth bag
    Solution: Milk being liquid in nature and cloth bags are porous, milk would leak through cloth bags unlike plastic bags.
    
    Case Study Questions
    
    
12. At home, we usually store things in such a manner that similar objects are placed together.  Such an arrangement helps us to locate them easily. Similarly, a grocer usually keeps all type of biscuits at one corner of his shop, all soaps at another while grains and pulses are stored at some other place.
    (a) What is meant by sorting? 
    (b) What is the need of sorting?  
    (c) How sorting helps the shopkeeper?
    
    Solution:
    (a) Sorting is a process in which objects are arranged systematically.
    Sorting has two common yet distinct meanings as follows:
    i. Ordering means arranging items in a sequence, ordered by some criterion. 
    ii. Categorizing means grouping items with similar properties.
    (b) Sorting is the process of grouping objects based on a certain criteria.
    Grouping different substances on the basis of their similarities and dissimilarities is called classification or sorting. Sorting helps:
    i. in systematic study of objects.
    ii. in identifying and locating things
    iii. to know that how the group is differ from those of other groups. 
    iv. in understanding similarities and dissimilarities among objects.
    v. in making the study of objects easy and more meaningful.
    (c) The sorting of objects in proper way makes it easier to work.
    When any customer approaches shopkeeper to purchase anything, the shopkeeper locates it easily, since there are separate shelves to put various items and similar things are kept at one place.  If he randomly places all of these, he would never be able to find the things so quickly and easily.
    
    
13. When you press different materials with your hands, some of them may be hard to compress while others can be easily compressed.  On the other hand, there are some materials through which you are not able to see. Shopkeepers usually prefer to keep biscuits, sweets and other eatables in transparent containers.
    (a) Why shopkeepers keep the eatables in transparent materials?
    (b) Name two compressible and non-compressible materials each. 
    (c) Distinguish between opaque, transparent and translucent materials along with an example for each.
    
    Solution:
    (a) Shopkeepers usually prefer to keep biscuits, sweets and other eatables in transparent containers of glass or plastic, so that buyers can easily see these items.
    (b) Compressible materials: woollen ball, sponge Non-compressible materials:  aluminium bucket, steel utensil
    (c)
    
    
    Subjective Questions
    
    
14. On birthday evening, Vidya could cut the cake with knife easily but she faced difficulty in breaking walnuts gifted by her Dadi. What conclusion can be made by this? 
    
    
    Solution:
    Materials which can be compressed or scratched easily are called soft while some other materials which are difficult to compress and break are called hard. Thus, cake is soft and walnuts are hard.
    
    
15. Identify properties and write Yes/No accordingly.
    
    
    Solution:
    
    
    
16. Comment: Frosted glass cannot be used for front window of any four wheeler.  
    
    
    Solution:
    Frosted glass cannot be used as front glass for any four wheeler since it is translucent and driver won’t be able to see the road ahead through it clearly.
    
    
17. Kasturi enjoying her summer vacation was asked by her mother to sort out weekly grocery just delivered to her house from nearby grocery store.  Which of these need to be stored in the refrigerator? Write Yes or No in front of their names.
    
    
    
    
    Solution:
    
    
    
    
    
18. Adwait tried to get back lustre by rubbing below objects with sand paper. Which of the following objects cannot regain their lustre upon being rubbed with sandpaper and why?
    
    Tarnished copper mug, dusty ceramic cutlery, rusted iron nails, silver diya, tinted plastic table top.
    
    Solution:
    Metallic materials get back their lustre after rubbing with sand paper while non-metallic materials do not.
    
    Therefore, the objects which cannot get back their lustre after rubbing with sand paper are: Dusty ceramic cutlery, tinted plastic table top.
    
    Assertion Reasoning Questions
    
    Below questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
    
    
    
19. Assertion (A): The greasy patch on the butter paper is termed as translucent.
    Reason (R): Translucent materials are those through which objects can be viewed but not clearly.     
    
    Correct option: (a) Both A and R are true and R is the correct explanation of A.
    Solution: The greasy or oily patch on the butter paper would make it little transparent but not clearly transparent i.e. it becomes translucent.
    
    
20. Assertion (A): Some materials float on the surface of the water, while others sink.
    Reason(R): The materials which are difficult to compress are called hard.
    
    Correct answer: (b) Both A and R are true and R is not the correct explanation of A.
    Solution: Lighter objects float on water while heavier one sink in it. Also, the materials such as iron nails are hard since they cannot be compressed or broken.