Chapter 5


Objects Around Us

MCQ Answers:

1. Fill in the correct answer circle completely.

(i) What is the quantity of the product that is stored in the container?

(a) Substance
(b) Bhava 
(c) Volume
(d) Ink

Answer: (c) Volume

(ii) Is the floor transparent?

(a) Wood
(b) Glass
(c) Low
(d) Paper

Answer: (b) Glass

(iii) Any semi-transparent floor.

(a) Glass Gilach
(b) Dapon
(c) Tanning paper
(d) Gilach of Stil

Answer: (c) Tanning paper

(iv) Resolve the remaining discrepancies after the following steps.

(a) Gold
(b) Tam
(c) Aluminum
(d) Left

Ans: (d) Arm (rest metal, not arm)

3. What is substance? Explain with examples.
Answer: Matter is the object that has weight and occupies space.
Example: Iron, wood, air, water are primitive.

4. With the help of two religions I can know that the rock is such a substance?
Answer: Rocks have weight and they move in space. Through these two religions I can learn that the rock is such a substance.

5. Write the names of four products with the help of which Gilach can be prepared.
Answer:

    ● Sand

    ● Lime

    ●  Soda

    ● Barack

6. What is Jyoti?
Answer:  The object that shines is called the luminous object or Jyoti.

7. Correct the incorrect writing in the following sentences.
(a) Wood is transparent but glass is opaque – impure
(f) Wood powder dissolves in water. – Impure
(c) Nimkh dissolves in water. - pure
(d) Wood chips in water. - pure
(5) Coconut oil dissolves in water – impure
(1) Glycerin dissolves in water. - pure
(g) Copper and iron ore. - pure
(h) The air is clear. – pure.
(1) Pithaguri – incomplete sentence

8. Match the right products to the materials on the floor
              Answer :          Materials
              Note              paper
                 Gosh                , gosh.
                   Mill               wood
                  Glass              ​
            Cotton                    cloth

9. Name five types of materials made of plastic.
Answer:

    1. Bottle

    2. Pen

    3. Mill

    4. Topola

    5. Toy box

10. Fill in the blanks:
i) An object can be composed of various ---------------
Answer:   Material

ii) Object-wise partitioning method-----------
Answer:   Classification

iii) Objects are in proportion to their constituents.
Answer:   Weight

iv) The object is the ziman thai agure seye---------------- the object
Answer:  Volume 


11. Meeting on the basis of material or material religion:
Answer: Material or material                             religion
                 Kahi is           water soluble
                         The glass bottle                          is transparent
                       Wood chips                        are opaque
                            Nimkh                          is water soluble
                   Tam and Lo                     Jyotman

12. Materials suitable for bench manufacture and their properties:
Answer:  We choose lo or wood for making our ladder bench.
Reason:

    ● Strong

    ● May last for a long time (chronic).

    ● Shapes can be worn as exams


13. List of items to be drunk:
Ans: Water is mihli (soluble matter):

    ● Salt

    ● Nemours

    ● Panit is not mihli (insoluble matter):

    ● Sand


Additional Question-Answer (Based on Given Text)

(1) What is the difference between matter and substance?

Answer:  A substance is the basic unit that makes up a substance, like iron, copper, water.

Objects are objects made from these materials, such as tables, bottles, glasses.

(2) List water soluble and insoluble substances.

Answer: Water soluble: 

    ● Cheney

    ● Salt

    ● Mau

Insoluble in water:

    ● Sand

    ● Chakra Guri

    ● Coconut oil

(3) Each of the transparent, opaque and semi-transparent objects is given as an example.

Answer: Transparent : Glass 

Translucent: Oilcloth

Opaque: Wood

(4) Some objects float, some sink — why?

Answer:  Density of solids and solids is less than water.

As objects sink in water, they become more dense.

(5) Write the names of the materials used in making Gilach.

Answer:

    ● Sand

    ● Lime

    ● Soda

    ● Glass

    ● Limestone

(6) What kind of matter produces light?

Answer:  Luminous substance, such as bulbs, sun and light.

(7) What is made of the following materials? match —

        The material from which the object                            is made

   Note                           paper

     Gosh                              , gosh.

       Mill                                     wood

    Glass                                    ​

                                  Cotton       cloth

(8) Five types of articles made of plastic:

Answer:

    ● Butt

    ● Bottle

    ● Toys

    ● Bucket

    ● Mill

Question 9: What is the difference between matter and substance?
Answer: Matter is the material that makes up matter. Matter can be made up of many materials.

Question 10: What is the name of the transparent material glass?
Ans: Glass becomes a transparent material when it moves.

Question 11: What are the materials used in the manufacture of Gilach?
Ans: These substances melt when heated and become liquid in the form of crystals, and solidify after cooling.

Question 12: Give this example of semi-transparent material.
Ans: Tan paper is a semi-transparent material.

Question 13: Why can't water pass through opaque objects?
Ans: Opaque material is completely blocked by water and does not allow water to move.