8th Standard CBSE Science Subjects Question Paper Software Subscription

QB365 covers complete information about 8th Standard CBSE Science Subject for 2024-2025 Exam. Question Bank includes 8th Standard CBSE Science Subjects Book back, exercise, Updated Question types MCQ, Case Study , Assertion and reason with solution, Previous year asked questions, all possible questions and other key points also. All question with detailed answers are readily available for preparting Maths question papers.

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8th Standard CBSE Science Chapters / Lessons

Crop Production and Management

Microorganisms Friend and Foe

Synthetic Fibres and Plastics

Materials: Metals and Non-Metals

Coal and Petroleum

Combustion and Flame

Conservation of Plants & Animals

Cell - Structure and Functions

Reproduction in Animals

Reaching the Age of Adolescence

Force and Pressure

Friction

Sound

Chemical Effects of Electric Current

Some Natural Phenomena

Light

Stars and The Solar System

Pollution of Air and Water

8th Standard CBSE Science Chapters / Lessons Syllabus

Food

Crop production-Micro-organisms

Materials

Materials in daily life-Different kinds of materials and their reactions.

The World of the Living

Why conserve - The cell - How babies are formed.

Moving Things, People, and Ideas

The idea of force - Friction - Pressure - Sound

How Things Work

Electric current and circuits

Natural Phenomena

Rain, thunder, and lightning - Light - Night sky - Earthquake.

Natural Resources

Man’s intervention in phenomena of nature - Pollution of air and water.

Crop Production and Management

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

Microorganisms: Friend and Foe

Microorganisms-Where do Microorganisms Live?-Microorganisms and Us-Harmful Microorganisms-Food Preservation-Nitrogen Fixation-Nitrogen Cycle

Synthetic Fibers and Plastics

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

Materials: Metals and Non-Metals

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

Coal and Petroleum

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

Combustion and Flame

What is Combustion?-How Do We Control Fire?-Types of Combustion-Flame-Structure of a Flame-What is a Fuel?-Fuel Efficiency

Conservation of Plants and Animals

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

Cell: Structure and Functions

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

Reproduction in Animals

Modes of Reproduction-Sexual Reproduction-Asexual Reproduction

Reaching the Age of Adolescence

Adolescence and Puberty-Changes at Puberty-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

Force and Pressure

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

Friction

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

Sound

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-Noise Pollution

Chemical Effects of Electric Current

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

Some Natural Phenomena

Lightning-Charging by Rubbing-Types of Charges and Their Interaction-Transfer of Charge-The Story of Lightning-Lightning Safety-Earthquakes

Light

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 the Eyes-Visually Impaired Persons Can Read and Write-What is the Braille System?

Stars and the Solar System

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

Pollution of Air And Water

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?