The text and some explanation of the Bill of Rights (Amendments 1-10) of the U.S. Constitution.
III: Quartering of troops.
VIII: Cruel and unusual punishment.
For the full text and further explanation of the entire U.S. Constitution-the Preamble, the Articles of Confederation, and the 27 Amendments-go to any of the following reliable sources:
USConstitution.net (including explanation for kids and teenagers).