Here is a simple way to trigger a BSOD for demo purpose.
This would create a bug check 0xc000021a.
Note : This is for demo purpose, do not try this on production systems.
Open Task Manager and Select 'Details' Tab.
Right Click on the Columns and Click on 'Select coulmns'
Select 'Command Line'
Start Killing the processes in the following order, Right Click and Select
This is for demo purpose and do not try this on production systems.