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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

Crop Production and Management Class 8 Science Chapter 1

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.

Microorganisms: Friend and Foe Class 8 Science Chapter 2

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.

Synthetic Fibres and Plastics Class 8 Science Chapter 3

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.

Materials : Metals and Non-Metals Class 8 – Chapter 4

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.

Coal and Petroleum Class 8 Science Chapter 5

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.

Combustion and Flame Class 8 – Chapter 6

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.

Conservation of Plants and Animals Class 8 Science Chapter 7

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.

Cell Structure and Functions Class 8 Science Chapter 8

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.

Reproduction in Animals Class 8 – Chapter 9

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.

Reaching the Age of Adolescence Class 8 Science Chapter 10

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.

Force and Pressure Class 8 Science Chapter 11

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.

Friction Class 8 – Chapter 12

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.

Sound Class 8 Science Chapter 13

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.

Chemical Effects of Electric Current Class 8 Science Chapter 14

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.

Some Natural Phenomena Class 8 – Chapter 15

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.

Light Class 8 Science Chapter 16

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.

Stars and The Solar System Class 8 – Chapter 17

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.

Pollution of Air and Water Class 8 Science Chapter 18

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.