He was impressed by the river chariots and also wanted to be captain
The final lecture in which Julian gave to her mother ironically applies more to him than his mother. It is because his mother's death was the least expected thing to happen yet it happen therefore Julian needs to accept it and face the new world without his mother.
Amy uses imagery to show her feelings because her family is embarrassing her in front of someone she likes. She describes how they are doing it, as imagery.
Eery, spooky, quiet, silent, daunting, bristling, creaking