|Search Results (19 videos found)|
|NASASciFiles - Force and Distance
NASA Sci Files segment explaining how simple machines affect the effort necessary to perform tasks involving force.
Keywords: Dr. D.; Pulley; Load; Load Distance; Multiply Force; Trade Off; Fulcrum; Simple Machine; Wheel And Axle; Crank; Radius; Gear;
Popularity (downloads): 1654
|NASASciFiles - Simple Machines
NASA Sci Files segment explaining how simple machines affect energy transfer.
Keywords: Disability; Accessibility; Wheelchair; Inclined Plane; Lever; Wheel And Axle; Wedge; Pulley; Screw; Ramp; Circus; Lever And Fulcrum; Teeter Board; Pitcher; Flyer; Trapeze; Potential Energy; Kinetic Energy; Acrobat; Aerial Hoop;
Popularity (downloads): 2707
|NASASciFiles - Gears and Compound Machines
NASA Sci Files segment explaining how simple and compound machines affect the effort necessary to perform tasks involving force.
Keywords: Gear; Simple Machine; Wheel; Axle; Teeth; Primary Gear; Driver; Follower Gear; Rotational Speed; Multiply Force; Force Multiplier; Trade-Off; Compound Machine;
Popularity (downloads): 1987
|NASASciFiles - History of Transportation
NASA Sci Files segment exploring the history of transportation including inventions such as the wheel, the steam engine, and the combustion engine.
Keywords: NASA Sci Files; Technology; Transportation; History; Automobiles; Wheel; Steam Engine; Combustion Engine; Model T Ford; Mesopotamia; Nicolas Joseph Cugnot; Gottlieb Daimler;; Karl Benz; Aerodynamics; Drag; Air Resistance; Bicycle; Asia; Mass Transportation; Locomotives; Trains; Subway; Trolley; Horse Cars;
Popularity (downloads): 2217
|Bicycle trick riding, no. 2
Opens with a man riding a bicycle in a backwards circle, on a stage with a painted backdrop of a city street. He dismounts, then remounts the cycle and rides...
Keywords: Stunt cycling--United States; Bicycles--United States; Silent films; Vaudeville; Shorts;
Popularity (downloads): 2161
|The Magic Wheel
Imginative and expansive telling of the history of the National Cash Register company told through a 25 year veteran of it's chemical engineering division.
Keywords: Cash Registers; Chemical Industry;
Popularity (downloads): 291
|NASASciFiles - Visible Spectrum and Color
NASA Why? Files segment describing the visible spectrum and the colors that make up white light.
Keywords: Rainbow; Visible Spectrum; Electromagnetic Spectrum; Frequency; Color Wheel; White Light; Spectrometer; Pigment;
Popularity (downloads): 1660
|Rural wagon giving mail to branch, U.S.P.O.
The first scene shows a rural free delivery mail man standing waiting for the area mail to be delivered to him. As the film continues, a horse-drawn wagon marked "Rural...
Keywords: Rural free delivery; Mail receiving and forwarding services; Actuality--Shorts;
Popularity (downloads): 374
|NASASciFiles - Mouse Trap Car Activity
NASA Sci Files segment involving students in an activity to design a vehicle from a mouse trap kit propelled only by the action of the mouse trap.
Keywords: NASA Sci Files; Engineering Design Process; Testing; Brainstorming; Research; Energy; Transportation; Data; Wheel; Redesign Process; Weight; Student Activity; Friction; Mouse Trap; Rubber Bands; Propulsion; Work; Force; Simple Machines; Axles; Trials; Meter;
Popularity (downloads): 4052
|The Story of Hoover Dam, segment 09 of 12
The power plant was constructed after completion of the dam
Keywords: Hoover Dam;Construction;Dam
Popularity (downloads): 954