For many students, scientific formulas are the hardest part of exams. Physics, Chemistry, and sometimes Biology require remembering multiple formulas—and forgetting even one can cost valuable marks.
The good news? You don’t need to memorize blindly. With the right techniques, formulas become easy to remember and even easier to apply.
Why Do Students Forget Formulas?
Most students forget formulas because they:
- Memorize without understanding
- Try to cram everything at the last minute
- Don’t practice applying formulas to problems
Memory improves when understanding + repetition + application work together.
1. Understand the Formula Before Memorizing
Never try to memorize a formula you don’t understand.
Ask yourself:
- What does each symbol represent?
- What is the relationship between the variables?
- Where is this formula used?
Example:
Instead of memorizing Speed = Distance ÷ Time, understand that speed tells you how fast distance is covered over time.
Understanding creates a mental connection, making recall easier.
2. Derive the Formula Once (If Possible)
Deriving or seeing how a formula is formed helps fix it in your memory.
Even if your exam doesn’t require derivations:
- Go through them once during revision
- Understand the logic behind the formula
Formulas you derive are rarely forgotten.
3. Use Mnemonics and Memory Tricks
Mnemonics turn formulas into simple words or phrases.
Examples:
- VIBGYOR for colors of the spectrum
- Ohm’s Law triangle for remembering V = IR
- Short phrases to remember steps or constants
The brain remembers stories and patterns better than symbols.
4. Create a Formula Sheet (Handwritten)
Writing formulas by hand improves retention.
How to do it:
- Maintain one notebook only for formulas
- Rewrite formulas weekly
- Highlight important ones used frequently
Handwritten revision is far more effective than reading printed notes.
5. Practice Applying Formulas Regularly
The fastest way to remember formulas is to use them.
- Solve numerical problems daily
- Apply the same formula in different questions
- Practice mixed-question sets
When your brain knows when to use a formula, it remembers it automatically.
6. Group Similar Formulas Together
Many formulas are related.
Examples:
- Speed, velocity, acceleration formulas
- Density, mass, and volume formulas
- Heat, work, and energy formulas
Studying related formulas together reduces confusion and improves recall.
7. Revise Formulas Just Before Sleeping
Science-backed tip:
- Revise formulas at night
- Quickly review them again in the morning
This strengthens long-term memory and improves exam recall.
8. Avoid Last-Minute Cramming
Cramming creates stress and confusion.
Instead:
- Revise formulas in small sessions
- Focus on understanding, not quantity
- Stay calm during exams—panic causes memory blocks
A relaxed mind remembers better.
Common Mistakes to Avoid
- Memorizing without knowing usage
- Skipping units
- Mixing formulas from different chapters
- Ignoring practice problems
Avoiding these mistakes alone can improve exam scores.
Remembering scientific formulas is not about memorizing harder—it’s about memorizing smarter. When you understand, practice, and revise consistently, formulas become second nature.