
Last Minute Revision Tips for Class 10 Science CBSE Exam 2026: CBSE Class 10 Science board exam is around the corner, and the pressure is increasing day by day. With limited time left, many students feel confused about what to revise and how to revise effectively.
This is where last minute revision tips for Class 10 Science CBSE become extremely helpful. Smart revision focused on NCERT concepts, important formulas, diagrams, and previous year questions can improve confidence and accuracy.
Here is practical guidance on how to do last minute revision for science, along with quick 20 minutes revision notes and exam-oriented strategies for the Class 10 Science Exam 2026.
Here are some CBSE-specific revision tips that improve the marks of students in the upcoming Class 10 board exams:
CBSE awards marks for correct scientific terms. Use words like:
Diffusion
Oxidation
Hormonal control
Neutralisation
Clear keywords improve answer quality.
Diagram-based questions are common in the Class 10 Science exam. Practice neat diagrams for:
Human heart
Brain
Eye
Ray diagrams
Electric circuits
Labeling should be clear and accurate.
Case-study questions test concept understanding.
Read the passage carefully
Answer only what is asked
Avoid unnecessary explanations
20 Minutes Revision Notes for Class 10 Science
When time is limited, the 20-minute revision method is extremely useful and exam-oriented.
Break your revision like this:
5 minutes – Quick Scan
Read headings, formulas, and definitions
Observe diagrams and flowcharts
10 minutes – Active Recall
Close the book and recall key points
Mentally explain processes like digestion, respiration, or electric circuits
5 minutes – Write & Check
Write formulas, reactions, or keywords from memory
Cross-check quickly with the book
Using this method, you can revise one topic in just 20 minutes.
Physics formulas from Electricity and Light
Chemistry balancing equations
Biology processes and definitions
This technique is ideal for last minute revision for Class 10 Science.
At the final stage, preparation should be focused on revision, clarity, and confidence, not learning new topics.
CBSE Class 10 Science questions are directly based on the NCERT textbook. In the last few days:
Revise definitions, laws, and formulas
Go through all NCERT diagrams and activities
Read chapter summaries carefully
Avoid switching to new guidebooks during last-minute revision.
For effective last minute revision for Class 10 Science, give more time to high-weightage and frequently asked chapters.
Physics
Chemistry
Chemical Reactions and Equations
Acids, Bases and Salts
Carbon and Its Compounds
Biology
Life Processes
Control and Coordination
How Do Organisms Reproduce
One-Day Before the Science Exam: What to Do?
The day before the exam should be calm and organised.
Revise short notes and formulas
Go through diagrams once
Avoid group discussions that cause confusion
Sleep well to stay fresh
Good rest is as important as revision.
On exam day:
Read the question paper calmly
Attempt easy questions first
Write step-wise answers
Draw diagrams where needed
Keep 10–15 minutes for revision
Avoid panic and trust your preparation