- I think they are very important because they increase our understanding, says Elsa Ersson.

Elsa and her classmates have a lab together with their teacher Dan Englundh, who was recently awarded a prestigious prize by the Royal Swedish Academy of Sciences.

He gets it, among other things, for the experiments he performs in his physics lessons.

And the experiments fulfill an important function, his students think.

- It is easier when you get to test yourself and see what happens in an experiment, says Fazeela Rahimi.

- Learning simply becomes more fun with experiments, thinks Daniel Apell.