Class 10 Science Notes in Hindi and English

NCERT Class 10 Science Notes in Hindi and English Medium

Get the easiest NCERT Class 10 Science Notes in Hindi here. Science is one of the most important subjects for exams, higher studies, and even for daily life. Although many students find it difficult to understand the concepts of Science, it is the most interesting subject.

To understand Science, the basics must be clear. You can make your understanding of Science by being more practical about the things you see in your daily life. The curiosity of understanding the reasons behind everything in your surroundings will attract you more toward Science.

To help you better we have provided NCERT Class 10 Science Notes in Hindi and English Medium in easy and understandable form, so that you can prepare better not only for the Exam but to prepare you better for your higher studies. It will help the students of CBSE, UP Board, MP Board, RBSE, JAC and other State Boards.

In this blog post, we will be providing you with NCERT class 10 science notes in Hindi and English Medium. We will also be including important questions that are often asked in examinations.


NCERT Class 10 Science Notes in Hindi Medium

(एनसीईआरटी कक्षा 10 विज्ञान हल हिन्दी माध्यम – Class 10 Science Notes in Hindi)

विज्ञान विषय परीक्षा, उच्च अध्ययन और यहां तक ​​कि दैनिक जीवन के लिए सबसे महत्वपूर्ण विषयों में से एक है। हालांकि कई छात्रों को विज्ञान की अवधारणाओं को समझना मुश्किल लगता है, लेकिन यह सबसे दिलचस्प विषय है। विज्ञान को समझने के लिए मूल बातें स्पष्ट होनी चाहिए। आप अपने दैनिक जीवन में जो चीजें देखते हैं, उनके प्रति अधिक व्यावहारिक रहकर आप विज्ञान की अच्छी समझ बना सकते हैं। अपने आसपास होने वाले कई क्रियाकलापों के पीछे के कारणों को समझने की जिज्ञासा आपको विज्ञान की ओर अधिक आकर्षित करेगी।

आपकी बेहतर मदद करने के लिए हमने एनसीईआरटी कक्षा 10 विज्ञान के नोट्स (Class 10 Science Notes in Hindi) हिंदी और अंग्रेजी माध्यम में आसान और समझने योग्य रूप में उपलब्ध कराए हैं, ताकि आप न केवल परीक्षा के लिए बल्कि अपने उच्च अध्ययन के लिए बेहतर तैयारी कर सकें।

विज्ञान NCERT Class 10 Science Notes in Hindi, Imp Questions: इस लेख में हमारे द्वारा प्रस्‍तुत की गई नोट्‍स (notes) में NCERT class 10th science के important questions, extra questions, short answer questions, long answer questions, objective questions, fill in the blanks, true false questions आदि शामिल है|

Chapterहिन्दी माध्यम
Chapter 1रासायनिक अभिक्रियाएँ एवं समीकरण
Chapter 2अम्ल, क्षारक एवं लवण
Chapter 3धातु एवं अधातु
Chapter 4कार्बन एवं इसके यौगिक
Chapter 5तत्वों का आवर्त वर्गीकरण
Chapter 6जैव प्रक्रम
Chapter 7नियंत्रण एवं समन्वय
Chapter 8जीव जनन कैसे करते है
Chapter 9अनुवांशिकता एवं जैव विकास
Chapter 10प्रकाश-परावर्तन तथा अपवर्तन
Chapter 11मानव नेत्र एवं रंगबिरंगा संसार
Chapter 12विद्युत
Chapter 13विद्युत धारा का चुम्बकीय प्रभाव
Chapter 14उर्जा के स्रोत
Chapter 15हमारा पर्यावरण
Chapter 16प्राकृतिक संसाधनों का संपोषित प्रबंधन

NCERT Class 10 Science Notes in English Medium

ChapterEnglish Medium
Chapter 1Chemical Reactions and Equations
Chapter 2Acids, Bases and Salts
Chapter 3Metals and Non-metals
Chapter 4Carbon and Its Compounds
Chapter 5Periodic Classification of Elements
Chapter 6Life Processes
Chapter 7Control and Coordination
Chapter 8How do Organisms Reproduce?
Chapter 9Heredity and Evolution
Chapter 10Light Reflection and Refraction
Chapter 11Human Eye and Colourful World
Chapter 12Electricity
Chapter 13Magnetic Effects of Electric Current
Chapter 14Sources of Energy
Chapter 15Our Environment
Chapter 16Management of Natural Resources

NCERT Class 10 Science Syllabus

Theme: Materials (55 Periods)

Unit I: Chemical Substances – Nature and Behaviour

Chemical reactions:

Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and reduction. Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, concept of pH scale (Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of Sodium Hydroxide, Bleaching powder, Baking soda, Washing soda and Plaster of Paris.

Metals and nonmetals:

Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.

Carbon compounds:

Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series. Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes), difference between saturated hydro carbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps and detergents.

Periodic classification of elements:

Need for classification, early attempts at classification of elements (Dobereiner’s Triads, Newland’s Law of Octaves, Mendeleev’s Periodic Table), Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties.

Theme: The World of the Living (50 Periods)

Unit II: World of Living

Life processes:

‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals. Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones.

Control and co-ordination in animals:

Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.


Reproduction in animals and plants (asexual and sexual) reproductive health-need and methods of family planning. Safe sex vs HIV/AIDS. Child bearing and women’s health.

Heredity and Evolution:

Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction; Basic concepts of evolution.

Theme: Natural Phenomena (23 Periods)

Unit III: Natural Phenomena

Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification. Refraction; Laws of refraction, refractive index. Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula (Derivation not required); Magnification. Power of a lens. Functioning of a lens in human eye, defects of vision and their corrections, applications of spherical mirrors and lenses. Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.

Theme: How Things Work (32 Periods)

Unit IV: Effects of Current

Electric current, potential difference and electric current. Ohm’s law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I and R.

Magnetic effects of current:

Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming’s Left Hand Rule, Electric Motor, Electromagnetic induction. Induced potential difference, Induced current. Fleming’s Right Hand Rule, Electric Generator, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Theme: Natural Resources (20 Periods)

Unit V: Natural Resources

Sources of energy:

Different forms of energy, conventional and non-conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy.

Our environment:

Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.

Management of natural resources:

Conservation and judicious use of natural resources. Forest and wild life; Coal and Petroleum conservation. Examples of people’s participation for conservation of natural resources. Big dams: advantages and limitations; alternatives, if any. Water harvesting. Sustainability of natural resources.


Practical should be conducted alongside the concepts taught in theory classes


1.A. Finding the pH of the following samples by using pH paper/universal indicator: Unit-I

(i) Dilute Hydrochloric Acid

(ii) Dilute NaOH solution

(iii) Dilute Ethanoic Acid solution

(iv) Lemon juice

(v) Water

(vi) Dilute Hydrogen Carbonate solution

B. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with: Unit-I

a) Litmus solution (Blue/Red)

b) Zinc metal

c) Solid sodium carbonate

2.Performing and observing the following reactions and classifying them into: Unit-I

A. Combination reaction B. Decomposition reaction C. Displacement reaction D. Double displacement reaction

(i) Action of water on quicklime

(ii) Action of heat on ferrous sulphate crystals

(iii) Iron nails kept in copper sulphate solution

(iv) Reaction between sodium sulphate and barium chloride solutions

3.Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions: Unit-I

i) ZnSO4(aq)

ii) FeSO4(aq)

iii) CuSO4(aq)

iv) Al2(SO4)3(aq)

Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.

4.Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also plotting a graph between V and I. Unit-IV

5.Determination of the equivalent resistance of two resistors when connected in series and parallel. Unit-IV

6.Preparing a temporary mount of a leaf peel to show stomata. Unit-II

7.Experimentally show that carbon dioxide is given out during respiration. Unit-II

8.Study of the following properties of acetic acid (ethanoic acid): Unit-I

i) Odour

ii) solubility in water

iii) effect on litmus

iv) reaction with Sodium Hydrogen Carbonate

9.Study of the comparative cleaning capacity of a sample of soap in soft and hard water. Unit-I

10.Determination of the focal length of: Unit-III

i) Concave mirror

ii) Convex lens by obtaining the image of a distant object.

11.Tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result. Unit – III

12.Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides. Unit-II

13.Tracing the path of the rays of light through a glass prism. Unit-III

14.Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of image formed. Unit-III

15.Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean). Unit-III

NCERT Class 10 Science Notes in Hindi

We hope that this blog post of Class 10 Science Notes in Hindi will be helpful for you and will help you score well in your examinations.