Leo Pietrzyk
Leo Pietrzyk voted up HappyTwo BeHereTwo's answer

E How has a very simple model using "Duplo" blocks.

http://www.ehow.com/how_6548446_make-dam-model-science-project.html

This may be too simplistic for a 14 year old.  However, it can inspire you to build one of the more complex versions, such as a buttress dam.  You can look at various dam designs here.

http://www.pbs.org/wgbh/buildingbig/dam/basics.html#butt

By adding information about … Read more

Leo Pietrzyk
Leo Pietrzyk voted up HappyTwo BeHereTwo's answer

E How has a very simple model using "Duplo" blocks.

http://www.ehow.com/how_6548446_make-dam-model-science-project.html

This may be too simplistic for a 14 year old.  However, it can inspire you to build one of the more complex versions, such as a buttress dam.  You can look at various dam designs here.

http://www.pbs.org/wgbh/buildingbig/dam/basics.html#butt

By adding information about … Read more