NCERT Solutions Class 8 Science

NCERT Solutions for Class 8 Science comprises of 18 Chapters for Class 8. These Solutions are provided where each of these chapters, have been answered in detail by our team of experts which includes teachers at professionals. These solutions have been compiled in an easy to understand manner, keeping in mind, the perspective of strong, and weak students.

NCERT Solutions For Class 8 Science

Topics Covered in NCERT Solution for Class 8 Science Chapter 1 Crop Production and Management are as follows:-

  • Agricultural Practices
  • Basic Practices of Crop Production
  • Preparation of Soil
  • Sowing
  • Adding Manure and Fertilisers
  • Irrigation
  • Protection from Weeds
  • Harvesting
  • Storage
  • Food from Animals

Crop Production and Management Class 8 Science Chapter 1 important keywords are Crop, Tilling/Ploughing, Plough, Hoe, Seed drill, Manures, Fertilizers, Irrigation, Weeds, Leguminous, Weedicides, Harvesting and Animal Husbandry.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 2 Microorganisms Friend and Foe are as follows:-

  • Microorganisms
  • Where do Microorganisms Live?
  • Microorganisms and Us
  • Harmful Microorganisms
  • Food Preservation
  • Nitrogen Fixation
  • Nitrogen cycle

Microorganisms Friend and Foe Class 8 Science Chapter 2 important keywords are Microorganisms, Virus, Antibiotics, Antibodies, Pathogens, Communicable diseases, Carriers, Preservatives and Pasteurization.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 3 Synthetic Fibres and Plastics are as follows:-

  • What are Synthetic Fibres?
  • Types of Synthetic Fibres
  • Characteristics of Synthetic Fibres
  • Plastics
  • Plastics as Materials of Choice
  • Plastics and the Environment

Synthetic Fibres and Plastics Class 8 Science Chapter 3 important keywords are Synthetic Fibres, Polymer, Rayon, Nylon, PET, Petrochemicals, Acrylic, Polythene, Thermoplastics, Thermosetting and Biodegradable.

Topics Covered in NCERT Solution for Class 8 Science Chapter 4 Materials : Metals and Non-Metals are as follows:-

  • Physical Properties of Metals and Non-metals
  • Chemical Properties of Metals and Non-metals
  • Uses of Metals and Non-metals

Materials : Metals and Non-Metals Class 8 Science Chapter 4 important keywords are Malleability, Ductility, Sonorous, Metals and Non metals.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 5 Coal and Petroleum are as follows:-

  • Coal
  • Petroleum
  • Natural Gas
  • Some Natural Resources are Limited

Coal and Petroleum Class 8 Science Chapter 5 important keywords are Inexhaustible Natural Resources, Exhaustible Natural Resources, Carbonation and Petroleum.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 6 Combustion and Flame are as follows:-

  • What is Combustion?
  • How do We Control Fire?
  • Types of Combustion
  • Flame
  • Structure of a Flame
  • What is a Fuel?
  • Fuel Efficiency

Combustion and Flame Class 8 Science Chapter 6 important keywords are Combustion, Ignition Temperature, Inflammable substances, Rapid combustion, Spontaneous combustion, Explosion, Calorific value, Global warning, Acid rain and Deforestation.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 7 Conservation of Plants and Animals are as follows:-

  • Deforestation and Its Causes
  • Consequences of Deforestation
  • Conservation of Forest and Wildlife
  • Biosphere Reserve
  • Flora and Fauna
  • Endemic Species
  • Wildlife Sanctuary
  • National Park
  • Red Data Book
  • Migration
  • Recycling of Paper
  • Reforestation

Conservation of Plants and Animals Class 8 Science Chapter 7 important keywords are -Deforestation, Desertification, Infiltration raye, Biosphere, Sanctuary, National park, Biosphere reserve, Flora, Fauna, Species, Endemic species, Wildlife sanctuary, Project Tiger, Endangered animals, Ecosystem, Red data book, Migration and Reforestation.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 8 Cell Structure and Functions are as follows:-

  • Discovery of the Cell
  • The Cell
  • Organisms show Variety in Cell Number, Shape and Size
  • Cell Structure and Function
  • Parts of the Cell
  • Comparison of Plant and Animal Cells

Cell Structure and Functions Class 8 Science Chapter 8 important keywords are Cell, Pseudopodia, Cell membrane, Nucleus, Cell wall, Organelles, Nucleolus, Genes, Chromosomes, Vacuole, Chloroplasts and Plastids.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 9 Reproduction in Animals are as follows:-

  • Modes of Reproduction
  • Sexual Reproduction
  • Asexual Reproduction

Reproduction in Animals Class 8 Science Chapter 9 important keywords are Sexual reproduction, Sperms, Ova, Fertilisation, Internal Fertilisation, In vitro fertilisation, External fertilisation, Embryo, Foetus, Viviparous animals, Oviparous animals, Metamorphosis, Asexual reproduction and Budding.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 10 Reaching the Age of Adolescence are as follows:-

  • Adolescence and Puberty
  • Changes at Puberty Increase in Height
  • Secondary Sexual Characters
  • Role of Hormones in Initiating Reproductive Function
  • Reproductive Phase of Life in Humans
  • How is the Sex of the Baby Determined?
  • Hormones other than Sex Hormones
  • Role of Hormones in completing the Life History of Insects and Frogs
  • Reproductive Health

Reaching the Age of Adolescence Class 8 Science Chapter 10 important keywords are Adolescence, Secondary sexual characters, Hormones, Endocrine glands, Target site, Menstruation, Menarche, Menopause, Sex chromosomes, Goitre, Adrenal glands and Balanced diet.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 11 Force and Pressure are as follows:-

  • Force – A Push or a Pull
  • Forces are due to an Interaction
  • Exploring Forces
  • A Force can Change the State of Motion
  • Force can Change the Shape of an Object
  • Contact Forces
  • Non-contact Forces
  • Pressure
  • Pressure exerted by Liquids and Gases
  • Atmospheric Pressure

Force and Pressure Class 8 Science Chapter 11 important keywords are Force, State of motion, State of rest, Contact forces, Non-contact forces, Muscular force, Pressure, Atmosphere and Atmospheric pressure.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 12 Friction are as follows:-

  • Force of Friction
  • Factors affecting Friction
  • Friction : A Necessary Evil
  • Increasing and Reducing Friction
  • Wheels Reduce Friction
  • Fluid Friction

Friction Class 8 Science Chapter 12 important keywords are Friction, Lubricants, Rolling friction, Sliding friction, Fluid friction and Drag.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 13 Sound are as follows:-

  • Sound is Produced by a Vibrating Body
  • Sound Produced by Humans
  • Sound Needs a Medium for Propagation
  • We hear Sound through Our Ears
  • Amplitude, Time Period And Frequency Of A Vibration
  • Audible and Inaudible Sounds
  • Noise and Music
  • Sound is Produced by a Vibrating Body
  • Sound Produced by Humans
  • Sound Needs a Medium for Propagation
  • We hear Sound through Our Ears
  • Amplitude, Time Period And Frequency Of A Vibration
  • Audible and Inaudible Sounds
  • Noise and Music

Sound Class 8 Science Chapter 13 important keywords are Vibrations, Larynx, Loudness, Frequency of oscillations, Amplitude, Pitch, Noise and Music.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 14 Chemical Effects of Electric Current are as follows:-

  • Do Liquids Conduct Electricity?
  • Chemical Effects of Electric Current
  • Electroplating

Chemical Effects of Electric Current Class 8 Science Chapter 14 important keywords are Current, Electrode and Electroplating.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 15 Some Natural Phenomena are as follows:-

  • Lightning
  • Charging by rubbing
  • Types of Charges and their Interaction
  • Transfer of Charge
  • The Story of Lightning
  • Lightning Safety
  • Earthquakes

Some Natural Phenomena Class 8 Science Chapter 15 important keywords are Lightning, Electric charge, Earthing, Lighting conductor, Earthquake, Seismic zones, Richter scale and Seismograph.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 16 Light are as follows:-

  • What makes Things Visible
  • Laws of Reflection
  • Regular and Diffused Reflection
  • Reflected Light Can be Reflected Again
  • Multiple Images
  • Sunlight — White or Coloured
  • What is inside Our Eyes?
  • Care of Eyes
  • Visually Challenged Persons Can Read and Write
  • What is a Braille System?

Light Class 8 Science Chapter 16 important keywords are Incident ray, Reflected ray, Normal, Law of reflection, Lateral Inversion, Diffused reflection, Regular reflection, Dispersion and Blind spot.

Topics Covered in NCERT Solution for Class 8 Science Chapter 17 Stars and The Solar System are as follows:-

  • The Moon
  • The Stars
  • Constellations
  • The Solar System
  • Some Other Members of the Solar System

Stars and The Solar System Class 8 Science Chapter 17 important keywords are Celestial objects, Phases of moon, Light year, Constellation, Orbit, Period of Revolution, Period of Rotation, Asteroids, Meteors and Meteorite.

 

Topics Covered in NCERT Solution for Class 8 Science Chapter 18 Pollution of Air and Water are as follows:-

  • Air Pollution
  • How does Air Get Polluted?
  • Case Study : The Taj Mahal
  • Greenhouse Effect
  • What can be Done?
  • Water Pollution
  • How does Water Get Polluted?
  • What is Potable Water and How is Water Purified ?
  • What can be Done?

Pollution of Air and Water Class 8 Science Chapter 18 important keywords are Air pollution, Air pollutants, Smog, Acid rain, Greenhouse effect, Global warming, Water pollutants, Ganga action plan and Potable water.

Leave a Comment

Share on whatsapp
Share on facebook
Share on twitter
Share on linkedin