Aim your shot towards the ice building block labeled in the picture.
Power Activation Point
After your bird is breaking into the ice block. Tap the jedi power towards the top area. Your goal is to blast the blocks high so they land on each of the pigs. This can take a couple of tries but you should get it within 3~5 shots.
First Shot Result
See that all the pigs are killed by the flying blocks after you blast them off.