Teaching chemistry safely: let students make mistakes in a virtual lab
Chemistry teachers carry a heavy responsibility. Concentrated acids, flammable liquids and toxic gases can hurt students, and many schools rightly limit what learners can touch. The side effect is that students rarely learn why safety rules exist.
Learning from mistakes
In a virtual chemistry lab, students can mix the wrong reagents, heat a closed container or forget the safety goggles, and see the consequences safely. The lab shows what would happen, then resets. This turns safety rules from a list to memorise into lessons students understand.
Ideas for safe "unsafe" lessons
- What if you add water to acid? Compare adding acid to water with the reverse, and discuss heat release.
- Why use a fume cupboard? Run a reaction that releases a gas and discuss ventilation.
- Why not heat a sealed tube? Watch the pressure build and discuss what happens to the glass.
Building real skills
Virtual labs also cover the everyday skills that matter in exams:
- preparing solutions of known concentration;
- titration and reading a burette;
- testing for gases and ions;
- separating mixtures by filtration and distillation.
Saving money
Every reagent used in a virtual lab is a reagent your school does not have to buy. Use the virtual lab for practice and repeat runs, and save real chemicals for the final practical.
A note on organic chemistry
Organic chemistry is abstract for many students. Building molecules in 3D and watching reactions happen helps them picture what a structural formula means.
Create a free account and try the Inorganic and Organic chemistry labs before your next practical.