The Central Board of Secondary Education (CBSE) class 10 is one of the crucial steps in a student’s academic career. The CBSE class 10 board exams are going to be conducted from 15 February 2025 to 18 March 2025. As the class 10th board exams are approaching students must complete the entire syllabus. Students need to get a clear understanding of the marking scheme, chapter weightage, and exam structure to score higher grades.
Important Topics To Study For CBSE Science Class 10th Exam 2025
CBSE Class 10 Science Marking Scheme For Exam And Internal Assessment
CBSE Class 10 Science Question Paper Design
Strategies For Preparing For CBSE Class 10 Science Exam 2025
CBSE Class 10 Important Books For Science 2025
CBSE Class 10 Science Weightage 2024-25, Chapter-Wise Weightage, Marking Scheme
In this article, we will discuss the CBSE Class 10 science syllabus 2025, class 10 science unit-wise weightage 2025, important topics to study for the class 10 science exam 2025, science marking scheme for exam and internal assessment 2025, question paper design of science subject 2025, strategies to prepare for science class 10 exam 2025 and important books for preparing for the exam.
Overview of CBSE Class 10 Science Subject 2025
The CBSE class 10 Science syllabus provides a clear understanding of fields like physics, chemistry, and biology. It also helps in improving a comprehensive understanding of core subjects, critical thinking skills, problem-solving skills, and analytical skills for students aiming for higher studies in science fields. The class 10 science syllabus covers a wide range of topics including fundamental topics like reproduction, electric current and magnetic effects of current, chemical reactions, carbon compounds, evolution, and reflection of light. The annual examination will be on 80 marks and 20 marks will be covered on internal assessment.
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The Class 10th science syllabus covers a variety of topics across 5 units. In chemical substances, students will learn about the types of chemical reactions, acids, bases, salts, metals, non-metals, and carbon compounds. The second unit, the world of living provides an understanding of life processes, reproduction, heredity, evolution, and control and coordination in animals and plants. The natural phenomena unit includes important topics like the reflection of light, refraction of light, the human eye, and its vision defects. The fourth chapter Effects of Currents gives an understanding of electric currents, magnetic currents, and their effects. The unit of natural resources includes our environment.
Unit I: Chemical Substances - Nature and Behaviour
Chemical Reactions, Acids, Bases and Salts, Metals and Nonmetals, Carbon Compounds
Unit II: World of Living
Life Processes, Control and Coordination, Reproduction, Heredity and Evolution
Unit III: Natural Phenomena
Reflection and Refraction of Light, Human Eye and Defects of Vision
Unit IV: Effects of Current
Electric Current and Its Effects, Magnetic Effects of Current
Unit V: Natural Resources
Environment and Eco-systems
CBSE Class 10 Science Chapter Weightage 2025
The chapter-wise weightage of class 10th science subject 2025 is given in the table below:
Unit No.
Unit
Marks
I
Chemical Substances - Nature and Behaviour
25
II
World of Living
25
III
Natural Phenomena
12
IV
Effects of Current
13
V
Natural Resources
5
Total
80
Internal Assessment
20
Grand Total
100
Important Topics To Study For CBSE Science Class 10th Exam 2025
Unit 1: Chemical Substances - Nature and Behaviour
Writing and balancing chemical equations, types of chemical reactions, redox reactions, pH scale and its importance, neutralization reaction, preparation and uses of sodium hydroxide, bleaching powder, baking soda, and washing soda, properties of metals and non-metals, reactivity series, corrosion, and its prevention, nomenclature of organic compounds, chemical properties of carbon compounds, differences between saturated and unsaturated hydrocarbons.
Image formation of mirrors and lenses, laws of reflection and refraction, power of the lens, human eye, dispersion of light, and refraction of light through a prism.
Unit 4: Effects of Current
Ohm’s law, series and parallel combination of resistors, the heating effect of electric current, the magnetic field around a current-carrying conductor, Fleming’s left-hand rule, and domestic electric circuits.
Unit 5: Natural Resources
Ozone layer depletion, waste management, biodegradable and non-biodegradable substances.
CBSE Class 10 Science Marking Scheme For Exam And Internal Assessment
The marking scheme for CBSE board class 10 includes an annual examination of 80 marks and an internal assessment of 20 marks which gives a total of 100 marks. The details of the marking scheme are given below:
Examination Component
Marks
Annual Examination
80 marks
Internal Assessment
20 marks
Internal Assessment Component
Details
Marks
Periodic Assessment
Three periodic tests were conducted by the school. The average of the best two tests contributes to the final result.
5 marks
Diverse Methods of Assessment
Includes short tests, oral tests, quizzes, concept maps, projects, posters, presentations, scientific investigations, etc., with rubrics for objective evaluation.
5 marks
Practical/Laboratory Work
Continuous practical work throughout the year. Students must maintain a record. All practicals listed in the syllabus must be completed.
5 marks
Portfolio
Includes classwork, projects, presentations, and other student work samples. Maintained throughout the year.
5 marks
CBSE Class 10 Science Question Paper Design
The question paper design of science is given in the table below:
Competencies
Percentage (%)
Skills/Actions Involved
Demonstrate Knowledge and Understanding
46%
State, name, list, identify, define, suggest, describe, outline, summarise, etc.
Application of Knowledge/Concepts
22%
Calculate, illustrate, show, adapt, explain, distinguish, etc.
Formulate, Analyze, Evaluate, and Create
32%
Interpret, analyze, compare, contrast, examine, evaluate, discuss, construct, etc.
An internal choice of 33% would be provided.
Typology of questions
VSA (Very Short Answer) including objective-type questions.
Strategies For Preparing For CBSE Class 10 Science Exam 2025
Complete the syllabus thoroughly and highlight important topics for effective revision.
Understand the unit-wise weightage and identify the frequently asked topics
Focus on basic core concepts to get a strong foundation. Focus on topics like laws of motion, electricity, and light in physics, acids, bases, salts, and carbon compounds in chemistry, and human anatomy, heredity, and reproduction in biology.
Practice the numerical problems regularly. Use previous years’ question papers and mock tests for a better understanding of the numerical question pattern.
Focus on diagrams and labelling as they can fetch marks easily.
Practice sample papers under the same exam conditions to work on time management.
Focus on the typology of questions asked in the exam
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Steps to Reach Sadhu Ashram, Ramgart Road, Aligarh:
Starting Point:
Determine your starting point in Aligarh or the nearby area.
Use Google Maps:
Open Google Maps on your phone or computer.
Enter "Sadhu Ashram, Ramgart Road, Aligarh" as your destination.
Follow the navigation instructions provided by Google Maps.
By Local Transport:
Auto-rickshaw/Taxi:
Hire an auto-rickshaw or taxi and inform the driver about your destination. Most local drivers should be familiar with Sadhu Ashram.
Bus:
Check if there are any local buses that operate on Ramgart Road. Ask the bus conductor if the bus stops near Sadhu Ashram.
Landmarks to Look For:
As you approach Ramgart Road, look for local landmarks that might help you confirm you’re on the right path, such as known shops, temples, or schools nearby.
Ask for Directions:
If you're unsure, ask locals for directions to Sadhu Ashram on Ramgart Road. It's a known location in the area.
Final Destination:
Once you reach Ramgart Road, Sadhu Ashram should be easy to spot. Look for any signage or ask nearby people to guide you to the exact location.
If you need detailed directions from a specific location or more information about Sadhu Ashram, feel free to ask
Yes, scoring above 80% in
ICSE Class 10 exams
typically meets the requirements to get into the Commerce stream in Class 11th under the
CBSE board
. Admission criteria can vary between schools, so it is advisable to check the specific requirements of the intended CBSE school. Generally, a good academic record with a score above 80% in
ICSE 10th result
is considered strong for such transitions.
Yes, you can apply for 12th grade as a private candidate .You will need to follow the registration process and fulfill the eligibility criteria set by CBSE for private candidates.If you haven't given the 11th grade exam ,you would be able to appear for the 12th exam directly without having passed 11th grade. you will need to give certain tests in the school you are getting addmission to prove your eligibilty.
According to cbse norms candidates who have completed class 10th, class 11th, have a gap year or have failed class 12th can appear for admission in 12th class.for admission in cbse board you need to clear your 11th class first and you must have studied from CBSE board or any other recognized and equivalent board/school.
You are not eligible for cbse board but you can still do 12th from nios which allow candidates to take admission in 12th class as a private student without completing 11th.
General electronic configuration of outermost and penultimate shell of an atom is (n-1)s^{2} (n-1)p^{6} (n -1)d^{x} ns^{2} . If n=4 the number of proton in the nucleus is
n a morning walk three persons step of together therir steps measure 80cm 85cm 90 cm what is the minimum distance that each should walk so that all can cover the same distance in complete steps ? what are the benifits of morning walk?
