It's literally called a <u>Kid</u>
They believe that the children are very clever and that they are more clever then there parents.
I'm assuming that this is out of a passage. I can't answer the question without the passage.
Answer: 1, 3, and 6 were similes. 2, 4 and 5 were metaphors
Explanation: A hint, a simile is anything that has 'like' in it. It's saying one think is 'like another. Metaphor is saying something 'is' another.
The writer is trying to inform the audience.