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Class 6 Science Chapter 2 Extra Question Answers - Sorting Materials into Groups

Extra Questions

Answer the following questions-

Question: 1. Name two materials which are soluble in water.

Sugar and salt.


Question: 2. Name two transparent and two opaque materials.

Glass, acrylic sheet are transparent materials, while stone and wood are opaque materials.


Question: 3. What are metals?

The substance which is hard, has luster and is good conductor of heat and electricity is called metal.
MetalsMetals

Question: 4. What is transparent material?

The material which allows light to pass through it is called transparent materials.


Multiple choice questions-

Question: 1. Which of the following is soluble in water?

(a) Sand

(b) Oil

(c) Glycerine

(d) Iron filing

Correct Answer is option (c)


Question: 2. Which of the following is insoluble in water?

(a) Chalk

(b) Washing soda

(c) Lemon juice

(d) Sugar

Correct Answer is option (a)


Question: 3. Which of the following is a soft material?

(a) Iron

(b) Glass

(c) Dimond

(d) Chalk

Correct Answer is option (d)


Question: 4. Which of the following is a hard material?

(a) Chalk

(b) Wool

(c) Cotton

(d) Diamond

Correct Answer is option (d)


Question: 5. Which of the following can float on water?

(a) Iron pin

(b) Wood

(c) Steel

(d) Coin

Correct Answer is option (b)


Question: 6. Which of the following materials would sink in water?

(a) Steel spoon

(b) Piece of wood

(c) Pencil

(d) Toothbrush

Correct Answer is option (a)

The document Class 6 Science Chapter 2 Extra Question Answers - Sorting Materials into Groups is a part of the Class 6 Course Science Class 6.
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FAQs on Class 6 Science Chapter 2 Extra Question Answers - Sorting Materials into Groups

1. What is sorting of materials into groups?
Ans. Sorting of materials into groups is a process of separating different objects based on their similarities and differences. This process helps to categorize objects based on their properties, such as shape, size, color, texture, and use.
2. Why is it necessary to sort materials into groups?
Ans. Sorting of materials into groups is necessary because it helps to identify and classify different objects based on their properties. It also helps to organize objects in a systematic way, making it easier to locate and retrieve them when needed.
3. What are the different ways of sorting materials into groups?
Ans. There are several ways of sorting materials into groups, such as sorting based on color, size, shape, texture, and use. For example, objects can be sorted based on their color, such as red, blue, and green. Similarly, objects can be sorted based on their size, such as small, medium, and large.
4. How can sorting of materials into groups help in recycling?
Ans. Sorting of materials into groups can help in recycling by separating different types of waste materials, such as paper, plastic, glass, and metal. This process helps to reduce the amount of waste going into landfills and makes it easier to recycle different materials. For example, paper can be recycled to make new paper products, while plastic can be recycled to make new plastic products.
5. What are the benefits of sorting of materials into groups?
Ans. Sorting of materials into groups has several benefits, such as: 1. It helps to identify and classify different objects based on their properties. 2. It makes it easier to organize objects in a systematic way. 3. It helps to locate and retrieve objects when needed. 4. It helps to reduce the amount of waste going into landfills. 5. It makes it easier to recycle different materials.
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