Introduction
The IB Science IA is designed to let students explore a scientific question through personal investigation. In Chemistry, Physics, or Biology, this often means designing and carrying out a hands-on experiment. But what if something goes wrong? What if your IB Science IA accidentally causes a lab explosion or dangerous accident?
While this sounds extreme, it’s a real concern. Some experiments involve flammable chemicals, heat sources, or pressurized containers, and mistakes can happen. This guide explains IB’s expectations for safety, what happens if an accident occurs, and how to prevent your IA from turning into a disaster.
What the IB Expects From a Science IA
Before we get to explosions, it’s worth remembering what the IB Science IA is supposed to measure:
- Your ability to design an investigation with a clear research question.
- Collection of reliable data through safe, appropriate methods.
- Analysis and evaluation of results, including sources of error and limitations.
- Reflection on methodology and improvements.
Safety is built into this framework. The IB does not want students taking unnecessary risks. In fact, dangerous experiments are supposed to be avoided or adapted into safer forms (like simulations or secondary data analysis).
Could an IA Really Cause an Explosion?
In most cases, no — because schools and supervisors are required to prevent unsafe setups. But accidents can still happen. Examples include:
- Heating sealed containers (risk of pressure explosions).
- Mixing flammable chemicals without ventilation.
- Using high voltages or open flames without proper supervision.
- Improper disposal of reactive substances.
Even if the “explosion” is minor — like a test tube cracking or a sudden flame — IB takes lab safety very seriously.
