The Twenty-One Balloons

William Pene DuBois

http://www.calculo.co.uk/authors/dubois.html

Krakatoa:

     http://www.irfamedia.com/lampung/krakatau.htm

Volcanic Eruption Simulation:

     http://volcano.und.nodak.edu/vwdocs/kids/fun/volcano/volcano.html

Volcano Games:

     http://volcano.und.nodak.edu/vwdocs/kids/fun/fun.html

Volcanoes Online:

     http://www.thinkquest.org/library/site_sum.html?tname=17457

          &url=17457/english.html

Questions:

     http://205.126.22.50/reading/books/21balloons.html

     http://www.kathimitchell.com/Twenty1.htm 

Project Ideas: http://www.kathimitchell.com/Twenty1.htm 

Internet Worksheet:

     http://www.narragansett.k12.ri.us/NPS/faculty/ferraro/ferraro%202/activity%20sheet

          %20for%20lap%20gap%202.htm#sec1