5th Grade History

Week 1: Suspension Bridge, Fire Hydrant, Locomotive

Week 2: Vapor-Compression Theory, Flour Mill, Percussion Ignition, Canning Process

Week 3: Pencil, Stethoscope, Tunneling Shield, Paved Roads

Week 4: Portland Cement, Electromagnets, Passenger Rail, Matches

Week 5: Microphone, Typewriter, Braille, Sewing Machine

Week 6: Platform Scale, Railroad T-Rail, Multi-Coil Magnet, Mechanical Reaper

Week 7: Combine Harvester, Solar Compass, Propeller, Mechanical Computer

Week 8: Electromechanical Relay, Revolver, Morse Code, Circuit Breaker

Week 9: Steel Plow, Steam Shovel, Postage Stamp, Vulcanized Rubber

Week 10: Electric Clock, Blueprints, Stapler, Grain Elevator

Week 11: Ether, Fax Machine, Steam Ships, Ice Cream

Week 12: Rotary Printing Press, Kerosene, Antiseptics, Gas Mask

Week 13: Jackhammer, Pin-Tumbler Lock, Safety Pin, Gyroscopes

Week 14: Safety Elevator, Syringe, Bessemer Process, Egg-Beater

Week 15: Condensed Milk, Sleeping Car, Toilet Paper, Washing Machine

Week 16: Salt and Pepper Shakers, Mason Jar, Pencil Eraser, Twine Binder

Week 17: Ironing Board, Internal Combustion Engine, Lever-Action Repeating Rifle, Twist Drill

Week 18: Postcard, Gatling Gun, Linoleum, Ratcheting Wrench

Week 19: Roller Skates, Barbed Wire, Cowboy Hat, Pasteurization

Week 20: Dynamite, Chuckwagon, Typewriter II, Ticker Tape

Week 21: Air Brakes, Traffic Light, Tape Measure, Pipe Wrench

Week 22: Clothes Hanger, Rotary Can Opener, Mail Order Catalog, Earmuffs

Week 23: Riveted Blue Jeans, Fire Sprinkler, QWERTY Keyboard, Dental Drill

Week 24: Telephone, Carpet Sweeper, Phonograph, Motion Pictures

Week 25: Light Bulb, Cash Register, Thermostat, Steam Turbine

Week 26: Light Switch, Skyscraper, Dishwasher, Electromagnetic Wave

Week 27: Coca-Cola, Induction Motor, Ballpoint Pen, Zipper

Week 28: Diesel Engine, Mousetrap, Radio, Semi-Automatic Shotgun

Week 29: Safety Razor, Airplane, Vacuum Tube, The Model T

Week 30: Crystal Oscillator, George Washington Carver, Yagi Uda Antenna

Week 31: Electron Microscope, FM Radio, Nuclear Fission, Transistor

Week 32: Polio Vaccine, Intermodal Container, Integrated Circuit, Lasers

Week 33: Unix, Microprocessor, Video Game Console, VHS and VCR

Week 34: TCP/IP Internet Protocol Suite (The Internet), Graphical User Interface, Steve Jobs, Bill Gates

Week 35: Flash Memory, CD-ROM, Cellular Phone, The World Wide Web

Week 36: Time and Inventions, The Nature of Invention, Inventions and Parents, The Future of Inventions