CBSE Class 10 Science Syllabus 2020 - Central Board of Secondary Education (CBSE) has released the CBSE Syllabus for Class 10 Science online on The syllabus of CBSE 10th Science contains the exam pattern and marking scheme. Students should refer to the CBSE 10th Science syllabus 2020 to know the weightage per topic and prepare accordingly. CBSE Board 10th Exams 2020 will commence from February 15, 2020. Therefore, this is the peak time when students should buck up and start preparing for the exams devotedly. In CBSE Class 10 Science syllabus 2020, there are 5 units carrying 80 marks and 20 marks will be given for practical exams. Read this article to know the detailed CBSE 10th Science syllabus 2020 and know the exam pattern and preparation tips.
Latest- CBSE Class 10 time table Released. Students should complete the CBSE Class 10 syllabus as early they can to produce better CBSE 10th class result 2020.


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CBSE Class 10 Science Syllabus 2020

CBSE Class 10 Science Exam Pattern 2020

Students can go through the exam pattern of the CBSE 10th Science exam and plan their studies accordingly. Find the unit-wise marking scheme in the table provided below.

CBSE Class 10 Science Exam Pattern 2020



Chemical Substances-Nature and Behaviour


World of Living


Natural Phenomena


Effects of Current


Natural Resources




Internal assessment


Grand Total


Also, read CBSE Admit card 2020

CBSE Class 10 Science Syllabus 2020

Students can go through the table mentioned below and know the CBSE Class 10 Science syllabus. This will acquaint them with the CBSE Class 10 exam pattern and important topics.

CBSE Syllabus for Class 10 Science 2020



Total Marks

Chemical Substances-Nature and Behaviour

  • Chemical reactions
  • Acids, bases and salts
  • Metals and nonmetals
  • Carbon compounds
  • Periodic classification of elements

25 Marks

World of Living

  • Life processes,
  • Control and co-ordination in animals and plants,
  • Reproduction,
  • Heredity and Evolution

23 Marks

Natural Phenomena

  • Reflection of light,
  • Refraction; Laws of refraction,
  • Dispersion of light
  • Defects of vision and their corrections

12 Marks

Electric Current& Magnetic Effects

  • Electric current
  • Ohm’s law
  • Potential difference
  • Interrelation between P, V, I and R,
  • Series & Parallel combination of resistors & capacitors
  • Fleming’s Left-Hand Rule
  • Electric Motor
  • Alternating current: frequency of AC.
  • Advantage of AC over DC

13 Marks

Natural Resources

  • Sources of energy
  • Eco-system
  • Coal and Petroleum conservation
  • Environmental problems
  • Water harvesting
  • Ozone depletion
  • .Forest and wild life

07 Marks


80 Marks

Also, read CBSE Result Name and State Wise

CBSE Class 10 Science Syllabus 2020 for Practical Exams

Students must go through the CBSE 10th Science syllabus 2020 for practical exams. Prepare for the practicals sincerely as it’ll help a lot in scoring well in CBSE Class 10th Science exams.

CBSE Class 10 Science Practical Syllabus 2020


List of Experiments


1) Finding the pH:

(i) Dilute Hydrochloric Acid

(ii) Dilute NaOH solution

(iii) Dilute Ethanoic Acid solution

(vi) Dilute Hydrogen Carbonate solution, etc

2) Performing and observing the following reactions

A. Combination reaction

B. Decomposition reaction

C. Displacement reaction

D. Double displacement reaction

3) Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:

i) ZnSO4(aq)

ii) FeSO4(aq)

iii) CuSO4(aq)

iv) Al2 (SO4)3(aq)


4) Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance.

5) Determination of the equivalent resistance of two resistors when connected in series

and parallel.


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

7)Study of the following properties of acetic acid (ethanoic acid)

i) odour

ii) solubility in water

iii) effect on litmus

iv) reaction with Sodium Hydrogen Carbonate

Also, read CBSE Compartment Result 10th Class

CBSE 10th Science Question Paper Design 2020

Students can refer to the table below to know the question paper design of CBSE Class 10 Science exam. Know the types of questions asked and the marking scheme of the same.

CBSE Class 10 Science Question Paper Design 2020



Typology of Questions

Objective Type *

(01 marks)


(03 marks)


(05 marks)



Remembering: Exhibit memory of

previously learned the material by recalling facts, terms, basic concepts, and answers.






Understanding: Demonstrate understanding of facts and ideas by organizing, comparing, translating, interpreting, giving descriptions, and stating

main ideas






Applying: Solve problems to new situations by applying acquired knowledge, facts,

techniques and rules in a different way.






Analyzing and Evaluating: Examine and break information into parts by identifying motives or causes. Make inferences and find evidence to support generalizations

Present and defend opinions by making judgments about information, the validity of

ideas, or quality of work based on a set of criteria.






Creating: Compile information together in a different way by combining elements in a new pattern or proposing alternative







20 (20)

10 (30)

06 (30)


CBSE Class 10 Science Preparation Tips 2020

Science is one of the most interesting and scoring subjects in the CBSE Class 10th curriculum. Therefore, students are advised to prepare this subject with the utmost strategy and score well in the same. Go through some of the best tips to prepare for 10th exams using CBSE Class 10 Science syllabus 2020.

  • First and foremost tip is to complete the CBSE 10th science syllabus as soon as possible. This will help you in numerous ways as you’ll get proper time to revise the entire syllabus and clear all the doubts in time.

  • Refer to the CBSE Class 10 time table and know the exam date and timings. Plan your studies according to the scheduled date and finish the respective subject’s syllabus soon.

  • In addition to completing the CBSE Class 10 Science syllabus 2020, make personal notes as soon as you cover each topic. This will improve your remembering power and enhance the clarity of the basic concepts.

  • Students are advised to solve the CBSE Class 10 question papers. This will let them know the exam pattern, important topics and difficulty level of the exam.

  • After completing the CBSE Class 10 Science syllabus 2020 once, students must dedicate maximum time for the revision. They must remember that the revision is key. Therefore, the more they revise the better they’ll score in the CBSE Class 10 result.

CBSE 10th Science Sample Papers 2020

Students should solve the latest sample papers of CBSE 10th Science which are uploaded on the official website of CBSE. These latest sample papers are created based on the new CBSE syllabus for class 10 Science and marking scheme. Students can check the type of questions to be asked in the class 10 science paper.

CBSE Class 10 Science Books 2020

Here’s a list of books prescribed for the students of CBSE Class 12 Science.

  • Science-Textbookfor class X-NCERT Publication

  • Laboratory Manual-Science-Class X, NCERT Publication

  • Exemplar Problems Class X – NCERT Publication

Other Relevant Links

Frequently Asked Question (FAQs) - CBSE Class 10 Science Syllabus 2020

Question: What are the passing marks for qualifying the CBSE Class 10 Science exam 2020?


Students must score a minimum of 33 per cent of marks in the theory and practical exams separately in order to pass the CBSE Class 10 exams.

Question: When will the CBSE Class 10 result 2020 be declared?


Central Board of Secondary Education will release the CBSE Class 10 result 2020 in the first week of May 2020 online on

Question: Are the exact questions asked from the previous years’ question papers in the CBSE 10th Science paper?


CBSE Class 10 question papers will assist you to know the exam pattern and difficulty level of the exams. The exact questions may not be asked in the exams but the question paper pattern will be similar.

Question: What is the CBSE 10th Science exam date 2020?


CBSE 10th Science Exam will be held on March 4, 2020.

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CBSE Class 10th Updates and Articles

Questions related to CBSE Class 10th

Showing 11 out of 11 Questions

when is going to the result will publish

Suryashis Chakraborty 22nd Mar, 2020

Hello Himanshu,

The CBSE Board was earlier scheduled to declare the CBSE Class 10 Boards Examination results online, on, in the first week of May. The declaration of the results was expected to be on May 6, 2020. However due to the ongoing Corona Virus pandemic, the examinations have been postponed and the results are expected to be delayed.

You can stay updated on our website via the following link:

Hope this helps you. We wish you the best for your future endeavours!



I bubbled one letter of my name incorrectly but wrote correctly in boxes? (CBSE class 10)

Nikki Nair 20th Mar, 2020

Hello Aspirant

If you have filled your Roll no correctly then according to your number the scanner will match the database and will consider the wrong bubble that you have marked!

Even the Application has another advantage that it either checks the characters or the bubble .Either of them have to be correct

If both of them are wrong ,then there are chances that the paper may be rejected,Else you are good to go



In 2020 those cbse class 10th exam was completed will also reschedule or not and when the results are coming ?

Neha Kanwar 19th Mar, 2020


No the exams which are already finished will not be rescheduled.

Rescheduling is for the exams which are not yet commenced.

The result date of cbse class 10th board exams has not been declared yet but  most probable are to be expected in the first week of may.

Good luck for your results!


i wrote my roll no above the boxes but filled bubbles correctly in cbse class X board exam , will there be any problem??

Aashima Puri 14th Mar, 2020


No it's not a matter to worry about. If you have written the roll number on the sheet , it would suffice the need and your paper would be easily located.


I want preparatory 1st science question paper of 10th class

Hrisheekesh Singh 28th Jan, 2020

Hi Smitha,

You should carry forward your preparation of class 10th science exam in the following steps:-

1. Read a particular chapter through NCERT thoroughly.

2. Try solving the in-chapter exercises.

3. Memorize the formulae or equations orally.

4. Try writing those formulae and equations again and again.

5. Make notes of the chapter.

6. Try solving the end chapter exercises.

7. Keep revising your notes again and again to increase your remembering ability. Keep rewriting the formulae and equations also.

8. Be confident during the exam.

I hope this helps you,

Good Luck for your exam

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