No, a 5 yr. old should not have sleepovers.
The normal IQ for a 5 year old should be no different to that of an adult. The test would simply be adjusted to suit a 5 year old.
It depends on how mature you think the 5 year old is.
no
The weight of a 13 year old will change depending on his/her hight. A 13 year old boy who is 5"3 should be about 120-130 pounds. For boys who are 5"5 should be about 125-140. Keeping in mind that most of this weight should come from muscle and not fat.
5
Barbie doll.
No I think that it is so bad for a five year old boy.
Generally, a nine year old should have around 5 grams a day.
There really is no specific limit to how much a fourteen year old boy should weigh. It depends on how tall you are, because if you were 5' 9", you should weigh more than a fourteen year old boy who is 5' 2".
4' to 5' 5 depends on genetics
I am not a parent, but I think if the Fourteen year old is responsible enough, they should be able to look after their five year old sibling.
5 feet long