| 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 |
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