A message arrives in a family group chat: a simple home remedy that "doctors don't want you to know about." Within minutes, it has been forwarded to dozens of people. Someone replies that it worked for their neighbour. Someone else says it must be true because it came from a relative.
What happens next depends on a skill that has little to do with memorising science facts and everything to do with how a person thinks.
In September 2026, the OECD published PISA 2025 Results, the first cycle in a decade to focus mainly on science, covering about 760,000 students across 91 countries and economies. One finding stood out. Fewer than half of students (46%) across OECD countries said they both check whether information sources are credible and trust scientific evidence over common sense. About 37% said they check sources but rely on common sense. 11% said they trust scientific evidence but don't verify sources. And 5% did neither. The OECD's own summary warns that over half of students may be vulnerable to misinformation and disinformation.
That is why scientific thinking matters. It isn't just for scientists. It is a life skill.
What Scientific Thinking Really Is
Scientific thinking is not about memorising the periodic table or the parts of a cell. It is a set of habits for working out what is likely to be true:
- Asking for evidence, not just accepting a claim because it is confident or popular.
- Considering alternative explanations, rather than the first one that comes to mind.
- Testing ideas fairly, changing one thing at a time and comparing results.
- Separating correlation from causation, since two things happening together doesn't mean one caused the other.
- Updating beliefs when new evidence appears.
- Being comfortable with uncertainty, understanding that "probably" and "we don't know yet" are honest answers.
Where It Shows Up Every Day
Scientific thinking turns up in ordinary moments far from any laboratory:
Health and wellbeing. Is this remedy supported by controlled studies, or just by someone's anecdote? A single success story isn't evidence, because we don't hear about the people it didn't work for.
Reading the news and social media. Who is behind this claim? What do other reliable sources say? Is the photo or video real?
Using AI tools. An AI system can give a confident, fluent answer that is wrong. A scientific thinker checks claims against other sources instead of accepting them.
Money and shopping. Does this offer's claim hold up? What is the evidence behind "guaranteed returns"?
Weather and risk. What does "a 70% chance of rain" actually mean, and how should it change my plans?
Everyday problem-solving. If the Wi-Fi is slow, a scientific thinker tests one possible cause at a time, rather than changing everything at once.
Why It Matters More Than Ever
Several trends make this skill more urgent:
- Information overload. Anyone can publish anything, and false claims can spread faster than corrections.
- AI-generated content. Text, images, and video can look convincing whether or not they are true.
- Declining foundations. PISA 2025 recorded the lowest OECD-average performance so far in science, reading, and mathematics, with one in five 15-year-olds now a low performer in all three, up from 16% in 2022.
- A warning on AI use. PISA data show that students who use AI for specific schoolwork tasks, such as summarising texts, drafting, or doing research, score lower in science than students who don't. This is an association, not proof that AI use causes lower scores, but it is a reminder that using AI without thinking critically can leave learning shallow.
Can Scientific Thinking Be Taught?
Yes, and it is best taught by practice, not by telling. Researchers who study online misinformation describe interventions that teach people to "read laterally", that is, to check what other sources say about a source, as professional fact-checkers do. And decades of science education research support giving students opportunities to investigate, test, and revise ideas themselves, rather than only reading about what scientists found.
There are limits to keep in mind. PISA's findings on source checking are based on what students report doing, which may differ from what they actually do. Knowing how to think scientifically also doesn't make anyone immune to bias or emotion. But the habits can be strengthened, and the earlier they are practised, the more natural they become.
Five Questions Every Student Can Learn to Ask
Scientific thinking can be boiled down to a handful of questions that work at any age:
- What is the claim, exactly?
- What is the evidence, and where does it come from?
- What else could explain this?
- How could we test it?
- What would change my mind?
These can be practised at the dinner table, in the classroom, or in a robotics lab.
India's Commitment to Scientific Temper
India's own constitution recognises this skill. Article 51A(h) lists, among the fundamental duties of every citizen, the duty to develop the scientific temper, humanism, and the spirit of inquiry and reform. NEP 2020 pushes the same direction, calling for experiential, inquiry-based, and critical-thinking-focused education in place of rote learning, and CBSE's Kaushal Bodh and Composite Skill Labs bring hands-on Robotics, Coding, AI, and IoT into the school day.
How STEM-Xpert Builds Scientific Thinking, From Grade 1 to 12
Hands-on STEM is one of the most natural ways to practise scientific thinking, since students have to predict, test, measure, and revise:
- STEM Innovation Kit, India's first IoT-enabled STEM kit, lets students build projects such as weather stations, where they collect real data, compare it with forecasts, and question their own assumptions.
- Robotics Labs and AIoT Labs, where students form hypotheses about how a system will behave, test them with sensors and code, and learn to trust measurements over guesses.
- Crinnoboard, our own AI-IoT development board, giving students hands-on experience with data from the real world and with the AI systems that interpret it.
- Tinkering Labs and Innovation Spaces, where students investigate their own questions and design fair tests.
- Composite Skill Labs and Kaushal Bodh centres, aligned with CBSE's CTAI framework, embedding inquiry and experimentation in the regular curriculum.
- ZOVA, our AI-powered humanoid teaching assistant robot, designed to support teachers, and a useful prompt for students to practise questioning AI answers rather than accepting them.
- STEM Facilitator Course, training educators to ask "how do we know?" and to guide students in designing tests and weighing evidence.
- STEM Academy, supporting structured learning across grades.
The Bigger Picture
Scientific thinking is what turns information into understanding. It helps a student decide whether to believe a viral message, a young adult evaluate a health claim, and a citizen judge a policy argument. The 2026 PISA findings suggest that many students are still missing at least one half of the habit: checking sources or trusting evidence. Schools that give students regular chances to ask questions, run fair tests, and change their minds when the data say so are not only teaching science. They are giving young people a tool for navigating a complicated world.
If your school wants to build scientific thinking through hands-on learning, through the STEM Innovation Kit, Robotics Labs, AIoT Labs, Tinkering Labs, the Crinnoboard, or Composite Skill Labs, get in touch with STEM-Xpert to see how our programs can be set up for your students, from Grade 1 to 12.
FAQs
1. What is scientific thinking? It's a set of habits for judging what is likely to be true: asking for evidence, considering alternative explanations, testing ideas fairly, separating correlation from causation, and updating beliefs when evidence changes.
2. Why does scientific thinking matter for people who aren't scientists? It applies to everyday decisions, including health claims, news, social media, AI-generated content, money, and problem-solving. PISA 2025 found that fewer than half of students both check sources and trust scientific evidence over common sense.
3. Can children learn scientific thinking? Yes. It develops through practice: asking questions, testing ideas, and weighing evidence, in hands-on activities and discussions, from early ages.
4. How does STEM-Xpert support scientific thinking? Through hands-on programmes such as the STEM Innovation Kit, Robotics Labs, AIoT Labs, Tinkering Labs, and Composite Skill Labs for Grade 1 to 12, where students form hypotheses, collect data, and revise their ideas.
Fasalu Rahman CEO, STEM-Xpert
About Author Fasalu Rahman C is an education entrepreneur, STEM advocate, and the Founder & CEO of STEM-Xpert.
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