How to Study Science: 7 Techniques That Make It Click
TL;DR
Most students study science by rereading notes — one of the least effective methods known to researchers. The seven techniques in this guide (including active recall, the Feynman Technique, and spaced practice) are backed by cognitive science and help you understand concepts deeply, not just memorize them for a test.
Science is the subject where students most often say the same thing: "I studied for hours and still didn't do well." Sound familiar?
The problem usually isn't effort — it's method. Rereading your textbook or highlighting notes feels productive, but research consistently shows these techniques produce weak long-term retention. Science requires a different approach, because it's not just a collection of facts. It's a web of connected concepts. If you don't understand how one idea connects to another, the whole thing falls apart come exam time.
The good news: once you switch to the right techniques, science gets much easier — and honestly, more interesting. Here are seven methods that cognitive science research supports.
1. Understand Before You Memorize
This is the most important shift you can make. Before you try to remember any fact, ask yourself: do I actually understand why this is true?
For example, don't just memorize that plants need sunlight for photosynthesis. Understand what photosynthesis actually does — it's the process plants use to convert light energy into chemical energy stored as sugar. Once you understand the mechanism, the details follow naturally.
A useful rule of thumb: if you genuinely understand a concept, you only need to memorize about 10–20% of the details. The rest can be reasoned out from the underlying logic. Always seek understanding first, then fill in the specifics.
2. Use the Feynman Technique
Nobel Prize-winning physicist Richard Feynman had a rule: if you can't explain something simply, you don't understand it yet. His technique is now one of the most recommended learning methods in education research.
Here's how to use it:
- Pick a concept you just learned (say, Newton's Second Law).
- Close your notes and explain it out loud or in writing as if you're teaching a 10-year-old.
- Notice where your explanation gets fuzzy or incomplete — those are your gaps.
- Go back to your notes or textbook, fill in the gaps, then explain it again.
This works because explaining forces you to retrieve and restructure information, which builds much stronger memory than passive reading. It also reveals gaps in understanding that rereading would never catch.
3. Practice Active Recall
Active recall means testing yourself on material rather than reviewing it. This is one of the most well-documented findings in memory research — psychologists call it the "testing effect." Studies by Roediger and Butler at Washington University found that retrieving information from memory strengthens it far more than re-studying the same material.
For science, this looks like:
- Closing your textbook and writing down everything you remember about a topic
- Using flashcards for vocabulary and definitions (but testing yourself, not just reading both sides)
- Answering practice questions without looking at your notes first
- Drawing diagrams from memory (the water cycle, the structure of an atom, a food chain)
The struggle of trying to recall something is exactly what makes it stick. If it feels hard, it's working. We also cover this in more depth in our guide on active recall for students.
4. Space Out Your Study Sessions
Cramming the night before feels efficient — you cover everything in one sitting. But research on spaced learning consistently shows it's one of the least effective ways to retain information. More than 200 studies over the past century confirm that spreading study sessions over days or weeks leads to far better long-term retention than massed practice.
A practical schedule for a science test:
- One week out: Read through the material and take notes
- Five days out: Do a self-quiz on the key concepts
- Three days out: Work through practice problems
- One day out: Review only your weak spots, then get a good sleep
Even 20 minutes of review spread across four days beats two hours the night before. Your brain consolidates memories during sleep, so studying a little each day and sleeping gives each session time to sink in.
5. Draw It Out
Science is deeply visual. Atoms, cells, ecosystems, electrical circuits, the solar system — these are all structures that make more sense when you can see them. Cognitive scientists call this "dual coding": combining words and visuals to create stronger memory traces.
Instead of memorizing the stages of the cell cycle, draw each stage and label it. Instead of reading about how a volcano erupts, sketch the cross-section. You don't need to be artistic — even rough diagrams work. The act of creating the visual is what builds understanding.
After drawing, try to redraw it from memory. This combines visual learning with active recall for a particularly powerful effect.
6. Connect Science to Real Life
Science becomes much easier to remember when it connects to something you already know or care about. This technique is called "elaboration" — linking new information to existing knowledge so it has a context to attach to.
Some examples:
- Learning about levers? Think about a seesaw at a playground.
- Studying ecosystems? Think about what happens when a local forest gets cleared.
- Covering chemical reactions? Think about what happens when you mix baking soda and vinegar.
- Learning about gravity? Think about why you land feet-first when you jump.
The more personal and specific the connection, the better. Ask yourself: "Where have I seen this in my actual life?" This question alone can transform an abstract concept into something memorable.
7. Solve Problems, Don't Just Read Them
This one matters most for physics and chemistry, but applies to all science: reading a worked example is not the same as solving a problem yourself. When you watch someone else solve a problem (or read through a solution), everything looks logical and obvious. But when you close the book and try it yourself, you often realize you can't do it.
The fix is straightforward: after seeing an example, cover it up and solve a similar problem from scratch. Do this even when you feel like you already understood it. The struggle is the point — it forces your brain to build the actual problem-solving pathways, not just recognize them from the outside.
Start with easier problems to build confidence, then gradually work up to harder ones. This principle of "desirable difficulty" — giving yourself just enough challenge to require effort — is one of the most reliable ways to accelerate learning in any subject.
How LEAI Helps You Learn Science
All seven of these techniques share a common thread: they require active engagement, not passive review. That's also exactly how LEAI is designed to work.
Instead of dumping information at you, LEAI asks questions, prompts you to explain things back, and adjusts to your pace. Its AI tutor identifies where your understanding has gaps — the same way the Feynman Technique does — and helps you fill them through conversation rather than rereading.
If you're working through science topics and keep hitting the same wall, LEAI's chat feature lets you ask "why does this work?" as many times as you need without judgment. That kind of on-demand clarification is what turns confusion into actual understanding.
You can try LEAI free — no credit card required — and explore science topics in the Knowledge & Skills course category.
A Note on How You Study Math
Many of these techniques — especially spaced practice, active recall, and problem-solving — apply directly to math too. If you want a subject-specific guide, check out our article on how to get better at math, which covers six proven study approaches for math in school.
Frequently Asked Questions
Why is science so hard to study?
Science feels hard because most students try to memorize facts instead of understanding concepts. Science builds on itself — if you don't understand the foundation, everything on top of it feels confusing. The fix is to focus on understanding first, then recall the details.
What is the best way to study science at home?
The most effective way to study science at home is to use active recall (test yourself instead of re-reading), space out your study sessions over multiple days, and use the Feynman Technique — explain what you learned in simple words as if teaching someone else.
How can I improve my science grade quickly?
Focus on past exam questions and practice problems — these train your brain to apply concepts, not just recognize them. Combine this with spaced practice (studying a little each day rather than cramming) and you'll see improvement within a few weeks.
Sources
- Roediger, H. L., & Butler, A. C. (2011). The critical role of retrieval practice in long-term retention. Trends in Cognitive Sciences.
- Weinstein, Y., Madan, C. R., & Sumeracki, M. A. (2018). Teaching the science of learning. Cognitive Research: Principles and Implications.
- Cepeda, N. J., et al. (2006). Distributed practice in verbal recall tasks: A review and quantitative synthesis. Psychological Bulletin.
- Edutopia. (2023). Science-backed studying techniques for high school students.