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| # | Thing | Description | Topic | Up/Down/Net | Score ▼ | |
|---|---|---|---|---|---|---|
| 1 | Wave function | Mathematical description of quantum state | Physical sciences | +3 / -0 / +3 | 0.565217 | |
| 2 | Escape velocity | Concept in celestial mechanics | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 3 | Capacitance | Ability of a body to store an electrical charge | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 4 | Blue | Colour between violet and cyan on the visible spectrum of light | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 5 | Chemical compound | Substance composed of multiple chemically bonded elements | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 6 | Newton (unit) | Unit of force in physics | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 7 | Ethanol | Organic compound | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 8 | Quartz | Mineral made of silicon and oxygen | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 9 | Speed of sound | Speed of sound wave through elastic medium | Physical sciences | +2 / -0 / +2 | 0.545455 | |
| 10 | Body of water | Any significant accumulation of water, generally on a planet's surface | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 11 | Peninsula | Land feature | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 12 | Crux | Constellation in the southern celestial hemisphere | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 13 | Jungle | Impassably dense forest, typically tropical | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 14 | Electricity | Phenomena related to electric charge | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 15 | Protactinium | Chemical element with atomic number 91 (Pa) | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 16 | Electric potential | Line integral of the electric field | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 17 | Hydrosphere | Liquid water on a planet | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 18 | Supernova | Astrophysical phenomenon | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 19 | Wave–particle duality | Concept in quantum mechanics | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 20 | Liquid | State of matter | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 21 | Lightning | Weather phenomenon involving electrostatic discharge | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 22 | Propylene | Chemical compound (CH3CH=CH2) | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 23 | Magnetism | Class of physical phenomena | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 24 | Rock (geology) | Naturally occurring mineral aggregate | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 25 | Chronology of the universe | History and future of the universe | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 26 | Atmospheric pressure | Static pressure exerted by the weight of the Earth's atmosphere | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 27 | Fjord | Long, narrow inlet with steep sides or cliffs, created by glacial activity | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 28 | Mixture | Substance formed when two or more constituents are physically combined | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 29 | Ether | Organic compounds made of alkyl/aryl groups bound to oxygen (R–O–R') | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 30 | Sun | Star at the centre of the Solar System | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 31 | Centripetal force | Force directed to the center of rotation | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 32 | Astatine | Chemical element with atomic number 85 (At) | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 33 | Lagrangian mechanics | Formulation of classical mechanics | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 34 | Frost | Coating or deposit of ice | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 35 | RGB color model | Color model based on red, green and blue | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 36 | Holocene | Current geological epoch | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 37 | Molecule | Electrically neutral group of two or more atoms | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 38 | Aromatic compound | Compound containing rings with delocalized pi electrons | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 39 | Lumen (unit) | SI derived unit of visible light emission | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 40 | Mars | Fourth planet from the Sun | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 41 | Fire | Rapid and hot oxidation of a material | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 42 | Canopus | Brightest star in the constellation of Carina | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 43 | Dipole | Electromagnetic phenomenon | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 44 | Void (astronomy) | Vast empty spaces between filaments with few or no galaxies | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 45 | Mile | Unit of length | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 46 | Nylon | Early synthetic polymer developed as a textile fiber | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 47 | Atom | Smallest unit of a chemical element | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 48 | Polarization (waves) | Property of waves that can oscillate with more than one orientation | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 49 | Byte | Unit of digital information, usually 8 bits | Physical sciences | +1 / -0 / +1 | 0.523810 | |
| 50 | Pauli exclusion principle | Quantum mechanics principle | Physical sciences | +1 / -0 / +1 | 0.523810 |
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