| Question |
Answer |
| Most Common on Earth |
Oxygen |
| Most Common in Universe |
Hydrogen |
| Most Common metal on Earth |
Aluminum |
| Best Conductor |
Silver |
| Lightest Element |
Hydrogen |
| Lightest Solid Element |
Lithium |
| Liquid at room temperature |
Mercury and Bromine |
| Lowest melting point |
Helium |
| Thermometer |
Galileo |
| Telescope |
Lippershey |
| Barometer |
Torricelli |
| Pendulum clock |
Huygens |
| Mercury thermometer |
Fahernheit |
| Lightning rod |
Franklin |
| Spinning Jenny |
Hargreaves |
| Spinning Frame |
Arkwright |
| Spinning Mule |
Crompton |
| Hot Aire Balloon |
Montgolfier |
| Electric Battery |
Volta |
| Canning |
Appert |
| Vulcanized Rubber |
Goodyear |
| Bicycle |
Macmillan |
| Safety Pin |
Hunt |
| Gyroscope |
Foucault |
| Passenger Elevator |
Otis |
| Steel Production |
Bessemer |
| Cylinder Lock |
Yale |
| Gramophone |
Edison |
| Cash Register |
Ritty |
| Fountain pen |
Waterman |
| Vaccuum Flask |
Dewar |
| Adding Machine |
burroughs |
| Gas Engine |
Daimler |
| Car with gas engine |
Benz |
| Pneumatic tire |
Dunlop |
| Photographic Film |
Eastman |
| Zipper |
Judson |
| Escelator |
Reno |
| Xray |
Roentgen |
| Airship |
Von Zeppelin |
| Radio |
Marconi |
| Electric Vacuum |
Booth |
| Electrodcardiograph |
Einthoven |
| Fax Machine |
Korn |
| Neon Light |
claude |
| Electric Shaver |
Schick |
| Ballpoint pen |
Biro |
| Nylon |
Carrothers |
| Helicopter |
Sikorsky |
| Polaroid camera |
Land |
| Transistor |
Brittain, Bardeen, Shockley |
| Moh 1 |
Talc |
| Moh 2 |
Gypsum |
| Moh 3 |
Calcite |
| Moh 4 |
Fluorite |
| Moh 5 |
Apetite |
| Moh 6 |
Feldspare |
| Moh 7 |
Quartz |
| Moh 8 |
Topaz |
| Moh 9 |
Corundum |
| Moh 10 |
Diamond |
| Ability of a mineral to resist scratches |
Hardness |
| Moh’s scale is a relative scale to measure this |
Hardness |
| Shows the color of the powdered mineral |
Streak |
| Performed by rubbing the mineral specimen across an unglazed porelain tile |
streak |
| Appearance of light reflected from the surface of rock |
Luster |
| Tendency to split along certain planar orientations |
Cleavage |
| Tendency to break unevenly along curved or irregular surfaces |
Fracture |
| Describes the appearance of a perfect crystal |
crystal |
| Field test for density |
Heft |
| Measured by comparing two samples in the hand |
Heft |
| Measured by measuring both volume and mass of sample and calculating |
Heft |
| Measure of density of rock compared to equal amount of water |
Specific Gravity |
| Rock that is not heavier than water |
Pumice |
| Ability of mineral to transmit light of a different wavelength that is used to illuminate specimen |
Fluorescence |
| Phosphorescence |
Elements that continue to emit light after the source is removed. |
| Produces double image of object viewed through it |
Double Refraction |