A B C D E F G H I J K L M N O P R S T V W X Y

4-H Club

A
aerospace
agriculture
ALCOA
aluminum
anesthesia
Appleseed, Johnny
aquaculture
Armstrong, Neil
astronaut
automobile
aviation

B
Bailey boiler meter
barns
bauxite
Battelle Memorial Institute
beekeeping
borer resistant corn
Boulder Dam
Brooklyn Bridge
Brush, Charles F.

C
cash register
catalytic cracking
cellophane
ceramics
Chapman, John
Chemical Abstracts Service
chewing gum
Chrysler Corporation
Cleveland Clinic
coal
communication
concrete
construction

D
Dayton
de Bothezat, George
deep-space
Delco
dental
DuPont
Durham wheat
dynamo

E
Edison, Thomas A
energy
environment
European corn borer

F
ferrotype
fiberglas
Firestone, Harvey S.
fish farming
Fleischmann brothers
Funk and Wagnall

G
Gamble
gasoline
gasoline-powered automobile
Gatling gun
genetic engineering
glass
Glenn, John
Golden Gate Bridge
Goodrich B. F.
Goodyear
Goodyear blimp
Goodyear Tires
Graham, Albert B.

H
health
Heimlich maneuver
helicopter
historic barns
honey
hot dog
human genetics

I
In God We Trust

J
Jeep
John H. Glenn 

K
kidney dialysis

L
LCD - liquid crystal display
Lexis-Nexis
librarians
Life Savers
Lin, Maya Ying 
Livingston, Alexander W.

M
manufacturing
materials
McGuffy Reader
medicine
metric system
Michelson-Morley
Morgan, Garrett A.

N
NASA’s Crawler Transporter
natural resources
Neal A. Armstrong
Nobel Prize 

O
oatmeal
Oldsmobile
Orville and Wilbur Wright
Owens-Corning
Owens-Illinois

P
Panama Canal
paper bag
paper
parachute
penmanship
Pentothal
polio vaccine
pop-top cans
pottery
Procter
propeller
PVC - polyvinyl chloride

R
radio broadcasting
Ransom E. Olds
Richter scale
roller bearings

S
Sabin, Albert
Schumacher, Ferdinand
Scripps, Edward W.
Sherwin
soap
Soap Box Derby
sprinkler system
Standard Oil Company of Ohio
steam-electric generating
steel construction
swampy land

T
Tagamet
Teflon
telephone
tempered glass
tetraethyl lead
tickertape machine
Timken, Henry
tintype
Toledo Scale Company
tomato
traffic signal
transportation

V
Vietnam Veterans Memorial

W
WACO
Weekly Reader
Williams
wind tunnel
Winton Motor Carriage Company
woman doctor
Woods, Granville
Wilbur and Orville Wright
Wright Brothers, The
Wright Field

X
Xerox
X-ray

Y
yeast 
Yellow Dent Corn