Bob Friedhoffer
27 works on record
Works
Scientific American, Simple Science Fair Projects, Grades 3-5
Scientific American, Winning Science Fair Projects, Grades 5-7
Science Lab in a Supermarket
Physics Lab in a Hardware Store (Physical Science Labs)
Everything you need for Winning Science Fair Projects
Physics Lab in the Home (Physical Science Labs)
Everything you need for Simple Science Fair Projects
Toying Around with Science
2018
Forces, Motion, and Energy
2018
Scientific American Science Fair Projects 4-Volume Set (Scientific American Winning Science Fair Projects)
Light
Scientific Magic Series
Molecules and Heat
More Magic Tricks, Science Facts
Sound
Physics Lab in a Hardware Store
Magic and Perception
Matter and Perception
Physics Lab in the Hardware Store, Houseware Store, Home, and Supermarket
Physics Lab in a Housewares Store
Physics Lab in Hardware Store, Housewares Store, Home and the Supermarket
Matter and Energy
Physics Lab in the Home
Magic Show
Lulu Hurst
Physics Lab in the Hardware Store, Housewares Store, Home, and the Supermarket
Physics Lab in a Housewares Store (Physical Science Labs)