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Solutions For All Chapters Science Class 8 Select the correct option in Questions 1 and 2. Question 1. Which of the following cannot be changed easily by friction? (a) A plastic scale (b) A copper rod (c) An inflated balloon (d) A woolen cloth Answer: (b) A copper rod Question 2. When a glass rod […]

Solutions For All Chapters Science Class 8 Question 1. Fill in the blanks. (a) Most liquids that conduct electricity are solutions of ______ , ______ and ______ (b) The passage of an electric current through a solution causes _______ effects. (c) If you pass current through copper sulphate solution, copper gets deposited on the plate […]

Solutions For All Chapters Science Class 8 Question 1. Choose the correct answer. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids, and gases Answer: (d) solids, liquids, and gases. Question 2. Voice of which of the following is likely to have a minimum frequency? (a) Baby girl […]

Solutions For All Chapters Science Class 8 Question 1. Fill in the blanks. (a) Friction opposes the ______ between the surfaces in contact with each other. (b) Friction depends on the ______ of surfaces. (c) Friction produces ______ (d) The sprinkling of powder on the carrom board _______ friction. (e) Sliding friction is _______ than […]

Solutions For All Chapters Science Class 8 Question 1. Give two examples each of the situations in which you push or pull to change the state of motion of objects. Answer: (i) Push: We close drawer by pushing. We move a wooden box by pushing. (ii) Pull: We draw water from a well by pulling […]

Solutions For All Chapters Science Class 8 Question 1. What is the term used for secretions of endocrine glands responsible for changes taking place in the body Answer: Hormones Question 2. Define adolescence. Answer: The period of life, when the body undergoes changes, leading to reproductive maturity, is called adolescence. The period of adolescence is […]

Solutions For All Chapters Science Class 8 Question 1. Explain the importance of reproduction in organisms. Answer: Reproduction is a vital phenomenon on this planet earth which is essential for existence and continuity of life and species on it, generation after generation. Question 2. Describe the process of fertilisation in human beings. Answer: In the […]

Cell Structure and Functions Solutions For All Chapters Science Class 8 Cell Structure and Functions NCERT Textbook Questions Question 1. Indicate whether the following statements are True (T) or False (F). (a) Unicellular organisms have a one-celled body. (b) Muscle cells are branched. (c) The basic living unit of an organism is an organ. (d) […]

Solutions For All Chapters Science Class 8 Question 1. Fill in the blanks. (a) A place where animals are protected in their natural habitat is called ______ (b) Species found only in a particular area is known as ______ (c) Migratory birds fly to faraway places because of ________ changes. Answer: (a) Wildlife sanctuary (b) […]

Solutions For All Chapters Science Class 8 Question 1. List conditions under which combustion can take place. Answer: Combustion can take place in the presence of: (a) a combustible substance. (b) oxygen, that is, the supporter of combustion. (c) attainment of ignition temperature of the substance. Question 2. Fill in the blanks. (a) Burning of […]

Solutions For All Chapters Science Class 8 Question 1. What are the advantages of using CNG and LPG as fuels? Answer: The advantages of using CNG and LPG as fuels are: 1. They burn with a smokeless flame and so does not cause any pollution. 2. They leave no ash on burning. 3. They are […]

Materials Metals and Non Metals Solutions For All Chapters Science Class 8 Materials: Metals and Non-Metals NCERT Textbook Questions Question 1. Which of the following can be beaten into thin sheets? (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Answer:(a) Zinc Question 2. Which of the following statements is correct? (a) All metals are ductile. […]

Synthetic Fibers and Plastics Solutions For All Chapters Science Class 8 Synthetic Fibers and Plastics NCERT Textbook Questions Question 1. Explain why some fibres are called synthetic. Answer: Some fibres are called synthetic fibres because they are made by man using chemicals. Question 2. Mark (✓) the correct answer. Rayon is different from synthetic fibres […]

Solutions For All Chapters Science Class 8 Question 1. Fill in the blanks. (a) Microorganisms can be seen with the help of a _____ (b) Blue-green algae fix ______ directly from the air to enhance the fertility of soil. (c) Alcohol is produced with the help of _____ (d) Cholera is caused by ______ Answer: […]

Solutions For All Chapters Science Class 8 Question 1. Select the correct word from the following list and fill in the blanks. float, water, crop, nutrients, preparation (a) The same kind of plants grown and cultivated on a large scale at a place is called _____ (b) The first step before growing crops is _______ […]

Crop Production and Management Chapter 1 Science Class 8 Microorganisms: Friend and Foe Chapter 2 Science Class 8 Coal and Petroleum Chapter 3 Science Class 8 Combustion and Flame Chapter 4 Science Class 8 Conservation of Plants and Animals Chapter 5 Science Class 8 Reproduction in Animals Chapter 6 Science Class 8 Reaching the Age […]

Garbage In Garbage Out Solutions For All Chapters Science Class 6 Class 6 Science Chapter 16 Textbook Questions 1. (a) Which kind of garbage is not converted into compost by the redworms? (b) Have you seen any other organism besides redworms, in your pit? If yes, try to find out their names. Draw pictures of […]

Solutions For All Chapters Science Class 6 1. What is the composition of air? Ans: Air is mixture of nitrogen, oxygen, carbon dioxide, water vapour and a few other gases. Some dust particles may also be present in it. 2. Which gas in the atmosphere is essential for respiration? Ans: Oxygen. 3. How will you show […]

Water Solutions For All Chapters Science Class 6 Class 6 Science Chapter 14 Textbook Questions  1. Fill up the blanks in the following: (a) The process of changing of water into its vapour is called_______________ . (b) The process of changing water vapour into water is called_____________ . (c) No rainfall for a year or […]

Solutions For All Chapters Science Class 6 1. Fill in the blanks in the following: (i) Artificial magnets are made in different shapes such as_________ ,_______ and (ii) The materials which are attracted towards a magnet are called_________ (iii) Paper is not a________ (iv) In olden days, sailors used to find direction by suspending a […]

Solutions For All Chapters Science Class 6 1. Fill in the blanks: (a) A device that is used to break an electric circuit is called_______________ (b) An electric cell has___________ Ans: (a) switch (b) two 2. Mark ‘True’ or ‘False’ for the following statements: (a) Electric current can flow through metals. (b) Instead of metal […]

Solutions For All Chapters Science Class 6 1. Rearrange the boxes given below to make a sentence that helps us understand opaque objects. Ans: 2. 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 mirror, a wooden […]

Solutions For All Chapters Science Class 6 1. Give two examples each of modes of transport used on land, water and air. Ans: (i) Land—Bus, truck, train. (ii) Water—Ship, boat. (iii) Air—Aeroplane, Helicopter. 2. Fill in the blanks: (i) One metre is___________ (ii) Five kilometre is___________ (iii) Motion of a child on a swing is_____________ […]

Solutions For All Chapters Science Class 6 1. What is a habitat? Ans: The surroundings where animals live is called their habitat. The organisms depend on their habitat for their food, water, air, shelter and other needs. Habitat means a dwelling place. 2. How are cactus adapted to survive in a desert? Ans: Cactus are […]

Solutions For All Chapters Science Class 6 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 Ans: […]

Solutions For All Chapters Science Class 6 1. Correct the following statements and rewrite them in your notebook. (a) Stem absorbs water and minerals from the soil. (b) Leaves hold the plant upright. (c) Roots conduct water to the leaves. (d) The number of sepals and petals in a flower is always equal. (e) If […]

Changes Around Us Solutions For All Chapters Science Class 6 Class 6 Science Chapter 6 Textbook Questions  1. To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed? Ans:  Yes, it can be reversed by unfolding the dress. 2. You accidentally dropped your […]

Solutions For All Chapters Science Class 6 1. Why do we need to separate different components of a mixture? Give two examples. Ans: Among different components of mixture there are many substances which are harmful or not useful for us. To remove these harmful or unuseful components we need to separate them. For example: (a) […]

Solutions For All Chapters Science Class 6 Q. 1. Name five objects which can be made from wood. Ans. (i) Table (ii) Chair (iii) Doors (iv) Boat (v) Bed Q.2. Select those objects from the following which shine: Glass bowl, plastic toy, steel spoon, cotton shirt Ans. Glass bowl and steel spoon are shining objects. […]

Fibre to Fabric Solutions For All Chapters Science Class 6 Class 6 Science Chapter 3 Textbook Questions Q.1. Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute. Ans. Natural fibres: wool, cotton, jute, silk. Synthetic fibres: nylon, polyester. Q.2. State whether the following statements are ‘true’ or false’: (a) Yam […]

Solutions For All Chapters Science Class 6 1. Name the major nutrients in our food. Ans: The major nutrients in our food are carbohydrates, proteins, fats, vitamins and minerals. The table below shows the nutrients present in some food items: 2. Name the following: (a) The nutrients which mainly give energy to our body. (b) […]