# Class 06 NCERT Solutions

### 1. Answer the following questions briefly

(a) What are the four major domains of the earth?

### Geography Chapter-04: Maps

1. Answer the following questions briefly.

(a) What are the three components of a map?

### 1. Answer the following questions briefly.

(a) What is the angle of inclination of the earth’s axis with its orbital plane?

The angle of inclination of the earth’s axis with its orbital plane is 66 ½º.

### 1. Answer the following questions briefly

(a) What is the true shape of the earth?

Earth is slightly flattened at the North and the South Poles and bulge in the middle. The true shape of the earth is a sphere flattened at the poles. Such a shape is called a geoid.

### 1. Answer the following questions briefly.

(a) How does a planet differ from a star?

### Science Chapter-13: Fun with Magnets

1. Fill the blanks:

(i) The shapes in which artificial magnets can be made are _______, _______ and _______.

(ii) _______ materials are attracted towards magnet.

(iii) Paper is not _______.

### Science Chapter-01: Food: Where Does It Come From?

1. Do you believe that all living beings need the same kind of food?

Ans. No, each species requires a different kind of food.

### Science Chapter-14: Water

1. Fill in the blanks for the following:

(a) The process by which the water is converted to water vapour is called _______.

(b) The process by which water vapor is converted into water is known as _______.

(c) If there is no rainfall in a region for a year or two, it may lead to ________ in that region.

### Science Chapter-16: Garbage In, Garbage Out

QUESTION 1

A-Which type of garbage do red worms cannot transform into compost?

B-Which are the organisms other than red worms help in composting?

### Science Chapter-15: Air Around Us

1. Mention the composition of air.

Ans: Air is a mixture of oxygen, nitrogen, water vapor, carbon dioxide and also a few other gasses. Air also constitutes some dust particles.

### Science Chapter-10: Motion and Measurement of Distances

Q1. Give 2 examples of water, land and air modes of transport

Water – Boats and ships

Land – Cars, Bikes and trucks

Air – Helicopters and airplanes

### Science Chapter-05: Separation of Substances

1. Why should we have to separate various components of a mixture? Give some examples.

Among various components of a mixture, there are so many substances, which could be harmful or not useful. To eliminate those harmful or useless components, we should separate them.

### Science Chapter-08: Body Movements

1) Fill in the blanks:

(a) Joints of the bones help in the _______________ of the body.

(b) A combination of bones and cartilages forms the _____________of the body.

(c) The bones at the elbow are joined by a ______________.

(d) The contraction of the ______________ pulls the bones during.

### Science Chapter-11: Light, Shadows and Reflections

Q1. Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:

Air, water, a piece of rock, a sheet of aluminium, a wooden board, a sheet of polythene, a sheet of cellophane, a CD, smoke, a sheet of plane glass, fog, a piece of red hot iron, an umbrella, a lighted fluorescent tube, a wall the fame of a gas burner, a sheet of cardboard, a lighted torch, a wire mesh, a mirror, kerosene stove, sun, firefly, moon, a sheet of carbon paper.

### Science Chapter-02: Components of Food

Question 1:

Mention the major nutrients that are present in our food.

### Science Chapter-09: The Living Organisms and their Surroundings

1. What is meant by Habitat?

ANS: The surroundings where animals dwell in comfort zone is called habitat. The animals depend on their habitat for their shelter, food, water and other needs. Example: Lion lives in the den.

### Science Chapter-03: Fibre to Fabric

Q.1 Give whether following fibres as natural or synthetic: Wool, Nylon, cotton, silk, polyester, Jute.

Ans: Natural fibres: cotton, silk, jute.

Synthetic fibres: nylon, polyester.

### Science Chapter-06: Changes Around Us

1. We usually shorten the length of the pant by folding it, when walking through a waterlogged area. Is the change reversible or not?

### Science Chapter-04: Sorting Materials Into Groups

Question 1:

Name 4 objects that are made from wood.

### Science Chapter-07: Getting To Know Plants

1. Do correct the following and rewrite them.

(a) Water and minerals are absorbed by stem from the soil.

(b) The one that holds the plant upright are leaves.

(c) The thing that conduct water to the leaves are roots.

(d) Number of sepals and petals in a flower are always equal.

### Science Chapter-12: Electricity and Circuits

Q1. Complete the sentence:

(a) A device, which can break an electric circuit, is called as

(b) There are ______ terminals in an electric cell.

### Maths Chapter-08: Decimals

Exercise 8.1

1. Using the given diagram write the data in form of numbers in the table given below:

### Maths Chapter-11: Algebra

Exercise 1

Question 1

Let the side of an equilateral triangle be m. Show the perimeter of the triangle with the help of m.

### Maths Chapter-03: Playing With Numbers

Exercise 1

1. Find the sum of any two numbers ?

(a) odd numbers

(b) even numbers

### Maths Chapter-07: Fractions

Exercise 2.1

1) Solve the following

(a) 2-$$\frac{3}{5}$$

### Maths Chapter-04: Basic Geometrical Ideas

Exercise 4.1

Question 1:

Answer according to the figure given below

### Maths Chapter-09: Data Handling

Exercise 1

Question 1:

Total no. of animals in five villages are as follows:

Village V = 120

Village W = 60

Village X = 80

### Maths Chapter-06: Integers

EXERCISE-6.1

Q.1. For the following, write the opposite of it.

(i) Increment of weight.

### Maths Chapter-01: Knowing Our Numbers

Exercise 1.1

Question 1:

a) How many ten thousand make up 1 lakh?

### Maths Chapter-02: Whole Numbers

Exercise 1

Question 1:

List out any four natural numbers after 11999.

### Maths Chapter-13: Symmetry

Exercise 13. 1

Q1.

Observe your surroundings in school or home and list some symmetrical objects.

### Maths Chapter-12: Ratio and Proportion

EXERCISE-12.1

Question 1:

The number of girls and boys studying in a class are 25 and 20 respectively.

1. Calculate the ratio of number of girls to that of boys?
2. Calculate the ratio of number of girls to that of the total students in the class?

### Maths Chapter-10: Mensuration

Exercise 10.1

Q.1 Find the perimeter of each of the following figures

### Maths Chapter-05: Understanding Elementary Shapes

Exercise 5.1

Question 1:

What is the disadvantage in comparing line segments by mere observation?

### Maths Chapter-14: Practical Geometry

Exercise 14.1

Question 1:

Draw a circle with circle of radius 3.2 and write down it’s procedures.