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10,033 things · 1,900 votes cast · cast a vote
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| # | Thing | Description | Topic | Up/Down/Net | Score ▼ | |
|---|---|---|---|---|---|---|
| 201 |  | Autumn | One of Earth's four temperate seasons | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 202 |  | Barium | Chemical element with atomic number 56 (Ba) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 203 |  | Barred spiral galaxy | Spiral galaxy with a central bar-shaped structure composed of stars | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 204 |  | Barycenter (astronomy) | Center of mass of multiple bodies orbiting each other | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 205 |  | Baryon | Hadron (subatomic particle) that is composed of three quarks | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 206 |  | Basalt | Magnesium- and iron-rich extrusive igneous rock | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 207 |  | Base (chemistry) | Type of chemical substance | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 208 |  | Bauxite | Sedimentary rock rich in aluminium | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 209 |  | Bay | Recessed, coastal body of water connected to an ocean or lake | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 210 |  | Beach | Area of loose particles at the edge of a body of water | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 211 |  | Becquerel | SI derived unit of radioactivity | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 212 |  | Benzene | Hydrocarbon compound (C6H6) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 213 |  | Berkelium | Chemical element with atomic number 97 (Bk) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 214 |  | Bernoulli's principle | Principle relating to fluid dynamics | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 215 |  | Beryllium | Chemical element with atomic number 4 (Be) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 216 |  | Beta particle | Ionizing radiation | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 217 |  | Betelgeuse | Red supergiant star in the constellation Orion | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 218 |  | Big Bang | Physical theory of the cosmos | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 219 |  | Binary star | System of two stars orbiting each other | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 220 | Binding energy | Energy required to separate particles | Physical sciences | +0 / -0 / 0 | 0.500000 | |
| 221 |  | Bismuth | Chemical element with atomic number 83 (Bi) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 222 | Bit | Unit of information | Physical sciences | +0 / -0 / 0 | 0.500000 | |
| 223 |  | Black | Darkest color | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 224 |  | Black hole | Compact astronomical body | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 225 |  | Blizzard | Type of snowstorm | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 226 |  | Bog | Type of wetland with peat-rich soil | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 227 |  | Bohr model | Atomic model introduced by Niels Bohr in 1913 | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 228 |  | Boiling | Physical process | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 229 |  | Boric acid | Weak acid with formula H3BO3 | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 230 |  | Boron | Chemical element with atomic number 5 (B) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 231 |  | Bose–Einstein condensate | State of matter | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 232 |  | Breccia | Rock composed of angular fragments | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 233 |  | Bremsstrahlung | Electromagnetic radiation due to deceleration of charged particles | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 234 |  | Bromine | Chemical element with atomic number 35 (Br) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 235 |  | Bronze | Alloy of copper and tin | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 236 |  | Brown dwarf | Substellar object | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 237 |  | Buoyancy | Upward force that opposes the weight of an object immersed in fluid | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 238 |  | Butane | Flammable organic fuel (C4H10) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 239 |  | CMYK color model | Subtractive color model used in printing | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 240 |  | Cadmium | Chemical element with atomic number 48 (Cd) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 241 |  | Caesium | Chemical element with atomic number 55 (Cs) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 242 |  | Calcium | Chemical element with atomic number 20 (Ca) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 243 |  | Calcium carbonate | Chemical compound | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 244 |  | Calcium chloride | Chemical compound | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 245 |  | Californium | Chemical element with atomic number 98 (Cf) | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 246 |  | Callisto (moon) | Second-largest moon of Jupiter | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 247 |  | Calorie | Unit of energy used in nutrition | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 248 | Cambrian explosion | Period of major evolutionary diversification of animal life | Physical sciences | +0 / -0 / 0 | 0.500000 | |
| 249 |  | Candela | SI unit of luminous intensity | Physical sciences | +0 / -0 / 0 | 0.500000 |
| 250 |  | Canyon | Deep chasm between cliffs | Physical sciences | +0 / -0 / 0 | 0.500000 |
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