16 December

If you don't have a colour printer, you can also print the file on a black and white printer and paint it or paint the red and blue stripes directly on two sheets of paper yourself.

13. December

Today's experiment is difficult. If you want to examine all aspects, you should also swap the bottles. But perhaps individual aspects will already lead to a clear answer.

08. December

Since we cannot measure so precisely, changes of a few percent (+-10%) should be considered constant. An increase or decrease should be at least +-30%.


In case of questions or obscurities regarding the current PiA-task, we publish hints and advices here. Hence, it's worth it to read the "Advice of the day" before giving your answer. If there are still questions left, you are welcome to contact us.

You can download the current shopping list for PiA - Physics in Advent 2021 here.

Have fun and enjoy!

Your PiA-team