They originally thought he was a ghost until they felt his fur and he reassured them he was not.
Lucy and Susan thought Aslan was a ghost when they first saw him again after the stone table had split into two. They were initially shocked and confused by his appearance, mistaking him for a spirit haunting the area.
Upon Aslan being returned to life, the stone table cracks in two. This shows that Aslan's obedient sacrifice has enabled death to start working backwards, and it can no longer have any hold on him. Aslan's sacrifice is the one needed to save all of Narnia, and the stone table will never be required again.
The witch in the Narnia kills Aslan on the stone table.
Aslan, the Great Lion, symbolizes Jesus. Aslan died on the Stone Table to redeem Edmund, but rose again, just as Jesus died on the cross to save us, and rose again. And, in case you were wondering, God the Father is symbolized by the Emperor across the sea.
Aslan brought the stone statues to life by breathing upon the stone.
The children need to go to the Stone Table in "The Lion, the Witch, and the Wardrobe" to meet with Aslan and discuss the impending battle against the White Witch. Aslan uses the Stone Table as a place of counsel and decision-making for important matters.
Because they were at the stone table, but the stone table was going to be used to 'kill' Aslan and he didn't want the others to know :-)
Aslan and the statues leave the Witch's house to join the battle against her forces at the stone table. They are able to get out by breaking the spell that turned them into stone, with Aslan's power and presence being key to this transformation.
The mice try to help revive Aslan after he is killed by the White Witch by nibbling at the ropes that bind him to the Stone Table. Their small efforts contribute to Aslan's resurrection.
In the book The Lion, the Witch and the Wardrobe, Aslan goes to the Witch's house to free everybody that she has turned to stone.
The stone table was ultimately destroyed by Aslan during the Battle of Beruna in "The Lion, the Witch, and the Wardrobe." This act was symbolic of the defeat of the White Witch's reign and the restoration of peace in Narnia.
The way it has been adapted in the movie shows aslan diving onto the white witch with her flat on the ground. They dont actually show what happens, but it's assumed that he bites her or mauls her - considering he's a lion.
Aslan in The Chronicles of Narnia is not explicitly identified as God, but rather represents Jesus Christ through his sacrificial acts, wisdom, and divine nature. C.S. Lewis intended for Aslan to embody characteristics of Christ, offering redemption and guidance to the characters within the story.