Friedhoffer, Robert. frey50
Everything you need for winning science fair projects : grades 5-7 / Winning science fair projects, grades 5-7 Scientific American everything you need for winning science fair projects by Bob Friedhoffer ; illustrated by Ernie Colon.. - New York : Chelsea ClubHouse, 2006. - 48 p. cm. : ill. ; 26 cm.
At head of title: Scientific American.
A collection of science fair projects to help you learn different things.
0791090566 9780791090565
Science projects
Science projects.
Science--Experiments.
j507.8 Fri 25
Everything you need for winning science fair projects : grades 5-7 / Winning science fair projects, grades 5-7 Scientific American everything you need for winning science fair projects by Bob Friedhoffer ; illustrated by Ernie Colon.. - New York : Chelsea ClubHouse, 2006. - 48 p. cm. : ill. ; 26 cm.
At head of title: Scientific American.
A collection of science fair projects to help you learn different things.
0791090566 9780791090565
Science projects
Science projects.
Science--Experiments.
j507.8 Fri 25