Welcome to the Chapter 4 - Sorting Materials into Groups, Class 6 Science NCERT Solutions page. Here, we provide detailed question answers for Chapter 4 - Sorting Materials into Groups. The page is designed to help students gain a thorough understanding of the concepts related to natural resources, their classification, and sustainable development.
Our solutions explain each answer in a simple and comprehensive way, making it easier for students to grasp key topics Sorting Materials into Groups and excel in their exams. By going through these Sorting Materials into Groups question answers, you can strengthen your foundation and improve your performance in Class 6 Science. Whether you’re revising or preparing for tests, this chapter-wise guide will serve as an invaluable resource.
Objects which are made up of wood are as following: Table, chair, box, doors, boat, pencil etc.
In our daily life we use a number of things which are made up of wood.
Objects Materials
Book Paper
Tumbler Glass, Wood, Plastic
Chair Wood, Plastic
Toy Glass, Wood, Plastic, Leather, Paper
Shoes Leather, plastic
Books are made up of papers. A tumbles is made up of glass, wood and plastic as well. But it cannot made up of papers. A chair is made up of wood and plastic. Toy can be made up of any material like glass, wood, paper, leather and plastic. Shoes cannot be made by paper and wood because it is inconvenient and out of comfort. So, shoes are made up of leather and plastic.
(i) False
Stone is not an transparent object because it does not allow light to pass through it. While glass is transparent because it allows light to pass through it.
(ii) False
This statement is false because notebook and eraser both are not metals. So, they both do not contain luster.
(iii) False
Chalk does not dissolve in water because if this get dissolved in water it makes colloidal solution or we can say that it makes an heterogeneous mixture.
(iv) True
Wood floats on water because wood have less density than water.
(v) False
Because sugar dissolves in water and makes a saturated solution.
(vi) False
It is a false statement because oil has less density than water. So oil floats on water but do not mix with water. Oils are non- polar whereas water is polar. But both are immiscible liquids.
(vii) True
This statement is true because when sand mixes in water it makes colloidal solution and when this solution is left undisturbed it settles down in the bottom.
(viii) True
Because vinegar makes a homogeneous mixture or solution when mixes with water.
(a) Round shaped Other shaped
Basket- ball, orange, globe etc. water, apple, earthen pot, sugar etc.
As we know that water have no shape but sugar have crystalline structure. Apple and earthen pitcher are not round in shape totally.
(b) Eatables Non- eatables
Orange, apple, sugar, water basket- ball, globe, earthen pitcher etc.
As we know orange, apples are fruits; sugar and water are also eatable and drinking materials.
The items that float on water and also float on kerosene or oil are as follows:
Hair, wood, thermocol, feather, plastic ball, boat etc.
They float on water as well as float on oil or kerosene because they all have less density than water and oil. So they float easily.
(a) Baby
Baby is the odd one because it is a human being or a living being. These all are non- living things except baby.
(b) Boat
Boat is the odd one because it is made up of wood and then except ones are flower’s categories.
(c) Sand
Sand is the odd one because they all are metals except sand.
(d) Sand
Sand is the odd one because sand is non- eatable and the remaining ones are eatables.