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NCERT Solutions for Class 6 Science Chapter 4 – Sorting Materials into Groups

NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials into Groups carries answers to all the questions asked in each exercise. Our NCERT Solutions are framed as per the latest CBSE Class 6 Science Syllabus. The chapter Class 6 Science Sorting Materials into Groups provides knowledge about various topics such as properties of materials, polishing, hardness, solubility, floatation, transparency and density.

NCERT Solutions are precise and easy to understand. All the questions of NCERT Class 6 Science Chapter 4 have been answered in detail. Our smart and systematic solutions provide you with an in-depth insight of CBSE NCERT Class 6 Science Chapter 4. The exercise at the end of NCERT Class 6 Science Chapter 4 Sorting Materials into Groups comprises 7 questions. All answers to the questions have been formulated according to the guidelines given by CBSE.

The NCERT Class 6 Science Chapter, 4, provided by us, will help you delve deeper into the complex concepts of ‘Sorting Materials into Groups’. Our Class 6 Science Sorting Materials into Groups solutions are interactive and interesting. They comprise many illustrative diagrams to help you grasp all topics quickly and efficiently.

NCERT Solutions for Class 6th Science Chapter 4: Important Topics

The NCERT Solutions for Class 6 Science Chapter 4-Sorting Materials into Groups is one of the most important chapters of CBSE Class 6 Science Syllabus. In this, you will learn how to classify objects and materials based on their similarities, i.e. the complex classification of elements. In NCERT CBSE Class 6 Science Chapter 4, the important topics covered are listed below.

  • Properties of Materials:

Based on the various properties, materials can be categorised into various groups. Below listed are the properties of the material. Here are a few properties of materials you will learn in this chapter.

  • Materials can be categorised based on 3 states of matters, namely Solids, liquids and gases. 
  • Another categorisation of materials is based on their appearance. For example, colour, texture, soft, hard and lustre. 
  • You can also sort the materials on the basis of solubility as materials soluble or insoluble in water. For example, salt and sugar are soluble in water, chalk and sand are insoluble in water.
  • Materials can also be categorised as metals or no-metals. For example, iron, copper, gold are metals. Coal, chalk, rubber are non-metals. 
  • Another categorisation of materials is based on light transmission, including transparent, translucent and Opaque. 
  • Classification of materials:

This section of CBSE NCERT Class 6 Science Chapter 4 teaches you how to classify materials based on the properties of materials. It also elaborates about the need to classify materials. Some classifications on the basis of the properties of materials are listed below.

  • Appearance: In this part of NCERT Class 6 Science Chapter 4, explains you about polishing the materials and how metal polish will prevent the metal surface and protects it from corrosion. In this way, the metal surface doesn’t get affected and lasts for a longer time. Materials can be classified into two parts based on appearance, namely, lustrous materials and non-lustrous materials.
  • Hardness: In this part of Chapter 4 Sorting Materials, you will learn about the classification of materials based on hardness, namely hard materials and soft materials.
  1. Transparency: In this section of Class 6 Science Sorting Materials into Groups, you will learn to categorise materials on the basis of transparency. It teaches you about the meaning of transparency. It also teaches you about the terms translucent object and opaque object.  An example of a transparent object is glass. Examples of a translucent object are a paper cup and a plastic bottle. Examples of opaque objects are metal and wood.
  2. Solubility: In this part of CBSE NCERT Class 6 Science Book, you will learn about the substances which are soluble in water and substances that are not soluble in water. It teaches you that soluble materials can be completely dissolved in water such as sugar. It also teaches you that some materials cannot be dissolved in water such as chalk.
  3. Floatation: In this section of CBSE NCERT Class 6 Science Chapter 4, you will understand about the materials which float and materials which sink into the water. This can also be called Buoyancy.  For example, a leaf floats on water, but a metal spoon sinks into the water.
  4. Density: In NCERT Solutions for Class 6 Science Chapter 4 Sorting Materials into Groups, you will learn about the term density. It is basically defined as mass per volume. The density of an object will be greater if all the particles of the object are packed tightly together. The density of the object will be lower if the particles of the object are loosely packed. 

NCERT Class 6 Science Chapter 4 Sorting Materials into Groups Exercise

The whole exercise consists of 7 questions. Below is a brief about each question of this exercise.

  • Question 1 is a  short answer question. This question is from the topic of transparency.  
  • Question 2 is an objective type of question. This part of the question is also from the topic of transparency. 
  • Question 3 is a match the following question which covers the whole chapter. 
  • Question 4 is a true or false question type. It covers various topics from the chapter.
  • Question 5 is a short answer question. This part of the question is from the appearance topic. 
  • Question 6 is a short answer question. Here, you have to check which material will float in certain substances. 
  • Question 7 is an objective type question which covers the whole unit. 

At the end of this unit, you will learn about all the materials which we use in our day to day life. You will also perform a few activities in Chapter 4.