Answer:
Korb: Basket (the basket where you put your eggs in when you collect easter eggs)
Easter starts on Karfreitag or Good Friday. One week holiday.
The Osterfeuer (Easter Fire) kills evil spirits
Osterreiten idk sorry
Plankton, i hope this help :)
There is no equations, sorry I can't help
Explanation:
I can help I think .
