| Question | Answer |
|---|---|
| The frequency of the formation of these regions follows an eleven-year cycle, during which the stellar magnetic field reverses polarity. The cooler temperature of these structures is due to its formation in areas with strong magnetic fields. For the point, name these solar regions that are characterized by their darker appearance. | Sunspots |
| An example of these devices is filled with either mercury or argon gas, and that form of these devices is excited to release UV light. The inventor credited with popularizing these devices invented a commercially viable incandescent version. For the point, name these devices that provide illumination by passing electricity through a metal filament. | Lightbulbs (or Electric Light; accept Incandescent Lightbulb) |
| A fiber of this material was depicted in a photograph taken by Raymond Gosling, who was working under Rosalind Franklin. Photo 51 depicted the structure of this molecule, which is composed of three parts: a phosphate group, a sugar group, and a nitrogen base. For the point, name this molecule, which holds the genetic information of all living things. | DNA (or Deoxyribonucleic Acid; do not accept “RNA”) |
| One of these structures is pulled under another during subduction, and these structures move apart from each other at divergent boundaries. Fault lines are located along the edges of these structures, whose sudden movements cause earthquakes. For the point, name these structures, whose movement causes continental drift. | Tectonic Plates |
| When one of these entities shed its outer layers, a planetary nebula is formed. These entities are characterized in Hertzsprung-Russell diagram, which organizes its different types by surface temperature and luminosity. Polaris is a type of, for the point, what luminous balls of gas, whose yellow dwarf type characterizes the Sun? | Stars (accept North Star) |
| The teeth of a Diplodocus contributed to identification of this dinosaur's false species, armatus. Sophie is the name given to the best-preserved example of this dinosaur, which were easily identifiable by its dozens of dorsal osteoderms. For the point, identify this dinosaur, whose back plates gave it a taxonomic name meaning "roof lizard." | Stegosaurus (accept Stegosaurus armatus) |
| Varieties of this mineral that are considered semi-precious stones include citrine and amethyst. Along with feldspars, this mineral is the primary constituent of granite, and, due to its piezoelectric properties, this mineral is used to keep time in watches. For the point, name this common crystalline mineral composed of silica. | Quartz (prompt on “SiO2” or “Silicon Dioxide” before mentioned) |
| CTERA Networks operates a hybrid type of this model to improve file security. Photo synchronizing is carried out via this model, which is also used by DropBox and Microsoft OneDrive to store personal files. For the point, name this model used to store data across multiple servers simultaneously, whose name references a weather phenomenon. | Cloud Storage (or The Cloud) |
| Amine [[AY-meen]] compounds are used to “sweeten” this product, which has a "sour" form that contains large amounts of hydrogen sulfide. Tert-Butylthiol is typically added to this product to give it a rotten eggs smell. For the point, name this fossil fuel used to power stoves, which is primarily made out of methane. | Natural Gas (or Fossil Gas; prompt on “Gas”; prompt on “Methane” before mentioned) |
| An early version of this substance described in Tang Dynasty texts included birthwort herb. This substance was invented by Taoist alchemists using sulfur and saltpeter, and its first military application was in flaming arrows and rockets. For the point, name this explosive substance used to propel bullets. | Gunpowder (or Blackpowder) |
| Because this compound can crystallize in the bloodstream, having chronically high levels of it can cause cuts in eye capillaries, leading to vision loss. This compound is stored as glycogen in the liver, and low levels of it in the body are known as hypoglycemia. For the point, name this simple six-carbon sugar, whose levels in the body are regulated by insulin. | Glucose |
| The lack of this type of material in the observable universe is the subject of baryon asymmetry. When this type of material interacts with everyday matter, huge amounts of energy are released through annihilation. For the point, name this class of matter that has opposite properties of everyday atoms. | Antimatter (or Antiparticles) |
| Reports that this star was red in antiquity led to later debates over stellar color change. Friedrich Wilhelm Bessel was the first to note the “wobble” of this star, which was confirmed to be orbited by a small white dwarf star by Alvan Clark. For the point, name this brightest star in the night sky, which is commonly called “the Dog Star” and which appears together with a dog in the logo of a satellite radio company. | Sirius (prompt on “Dog Star” before mentioned) |
| These molecules are made within the cell’s ribosome, where a polypeptide chain is created from messenger RNA via a process called translation. Examples of these molecules in the body include keratin, collagen, and hemoglobin. For the point, name these complex molecules that is made from long strings of amino acids. | Proteins |
| A cupola is a type of this structure supported by a converging series of partial arches. A pendentive allows these structures to be built over rectangle rooms. Repeated triangles are arranged into the highly stable geodesic type of, for the point, what structures that often top buildings, and which are shaped like a half-sphere? | Dome |
| The “self” form of this process occurs when its namesake structures are transferred from the stamen to an organism’s own stigma. Nectar evolved in order to attract animals who carry out this process, such as fruit bats. For the point, name this process that is performed by bees on flowers, which is necessary for plant reproduction. | Pollination (accept Self-pollination; prompt on “Fertilization”) |
| Because of opponent processing, staring at this color for extended periods before looking away will produce blue afterimages. In pigments, but not light, this is one of the primary colors, and light of this color has wavelengths between orange and green. For the point, give this color that is mixed with blue to make green. | Yellow |
| One man from this present-day country was burned at the stake for extending Copernicus’ model of the universe to argue that stars in the sky were orbited by planets. Another man from this country names a sequence that begins 0, 1, 1, 2, 3, 5. Giordano Bruno and Fibonacci were from, for the point, what present-day country where Renaissance polymaths worked in cities such as Pisa and Rome? | Italy (accept Italian Republic; accept Repubblica Italiana) |
| This quantity is equal to the square root of the quantity bulk modulus over density. A flow rate exceeding this quantity for a homogenous fluid results in choked flow. First achieved by the Bell X-1, shock waves are created when an object surpasses, for the point, what speed, which is equal to Mach 1 and creates a sonic boom when crossed? | Speed of Sound (accept Sound Barrier; accept Mach 1 before mentioned) |
| Constructing this shape’s dual by mapping its vertices to the face of another shape creates an octahedron. The surface area of this shape is equal to six times edge length squared and raising the edge length to the third power is used to find its volume. For the point, name this three-dimensional prism, whose six faces are all squares. | Cube (prompt on “Rectangular Prism” or “Prism” before mentioned) |
| This network can be described by an Eltonian pyramid, which demonstrates various trophic levels. This network includes consumers and producers, while the organism at the top of this network is an apex predator. For the point, identify this ecological network that describes who eats who in a given environment. | Food Chain (accept Food Web) |
| This substance is produced through the process of lactation, and it is secreted through the mammary glands. Diseases that cause typhoid fever and tuberculosis are killed when this substance is heated for a set period of time in the process of pasteurization. For the point, name this white liquid that is produced by the utter of a cow. | Milk (accept Breast Milk; accept Pasteurized Milk) |
| Perhaps the oldest mechanical method of performing this task involves rapidly rotating a branch between the hands against a flat board. Simple methods for performing this task include using a bow drill or striking flint and steel. For the point, name this task that today can be accomplished with matches and lighters. | Fire Starting (accept any answer indicating Lighting or Fire or Flames) |
| The existence of this technology was covered up with a Royal Air Force propaganda campaign about eating carrots to improve pilot’s eyesight. The ground penetrating variety of this technology is used to locate subsurface features. Weather forecasts use the Doppler form of, for the point, what technology that is used to locate objects with radio waves? | Radar (or Radio Detection and Ranging) |
| A line that connects with the outside of this shape at exactly one point is a tangent, while a line segment that connects this shape at two points is a chord. This shape is defined as all the points in a two-dimensional plane that are equidistant from a fixed point. For the point, identify this 2D shape, whose area is equal to pi times the radius squared. | Circle |
| Small moons discovered in the 21st century around this body include Kerberos. This body has the largest radius of any object in the Kuiper [[KYE-per]] Belt, and this is the largest body whose orbit intersects with Neptune. Charon [[“Sharon”]] is the largest moon of, for the point, what dwarf planet that was once considered the ninth planet from the Sun? | Pluto |
| One of this element's isotopes is the only naturally occurring fissile isotope. This element’s 238 isotope has a half-life of 4.47 billion years, while its 235 isotope is fissile, thus having the ability to undergo a nuclear chain reaction. For the point, name this heavy metal, large amounts of which are used to make atomic bombs. | Uranium (or U) |
| A milder, but chronic form of this disorder is known as dysthymia. Changes in light exposure are believed to be the cause of a type of this disorder called seasonal affective disorder, and, like anxiety, this disorder can be treated with SSRIs. For the point, name this psychiatric disorder that is characterized by extended periods of low energy and mood. | Depression (accept Major Depressive Disorder or MDD) |
| Large provinces of this type of rock can be created through episodes involving flood basalts. Rocks of this type that are described as felsic include rhyolite, a component of obsidian. For the point, identify this type of rock that is formed by cooled and solidified lava. | Igneous Rock (or Magmatic Rock) |
| The fast form of this material is attached to a shoreline, while the drift form of this material can be found in open water. This material is the primary component of the part of Earth's surface known as the cryosphere. For the point, identify this material, which forms when water reaches 32 degrees Fahrenheit. | Ice (accept Fast Ice; accept Drift Ice) |
| Exposure to this element is the most common cause of non-smoker lung cancer cases. This gaseous element is the immediate decay product of radium. For the point, name this radioactive element, the heaviest noble gas. | Radon (accept Rn) |
| This species was discovered by Eugene Dubois, who dubbed it “the missing link.” This species was the first to demonstrate control of fire and the first hominid to appear outside of Africa. The Java Man and Peking Man were both examples of, for the point, what extinct hominid species, whose name is Latin for “upright man?” | Homo erectus (or H. erectus; or Pithecanthropus erectus; or P. erectus) |