Miscellaneous Science Trivia

91. When you are in the full solar eclipse, which part of the shadow are you in?

From Quiz The Science of the Dark

Answer: Umbra

The umbra is the darkest part of a shadow. In order for a shadow to occur you need to have a light source, a screen, and an object to cast the shadow. The penumbra is a partial shadow (partial eclipse) and the antumbra is farther behind the shadow where the penumbra crosses behind the umbra. The conumbra doesn't exist.

From Quiz Science Park

Answer: 0.05-3% Salt

The three incorrect answers refer to other possible salinities of water. Water that is less than 0.05% salt is considered freshwater. Water that is 3-5% salt is considered saline. Water that is more than 5% salt is considered brine. All four of the world's oceans are considered saline. The Pacific, Indian, and Atlantic oceans are of approximately equal salinity, while the Arctic Ocean is less salty, but still considered saline.

From Quiz To Pee or Not to Pee

Answer: Climate change

This astonishing little creature, which looks somewhat like a guinea pig, has the tendency to always urinate in the one spot. Its urine is very fast drying and qualities within it somehow trap samples from objects such as leaves and pollen and so forth, and sets them into the soil and rock there as a sort of widdly time capsule. When researchers from France's Montpelier University analysed samples from these areas, they were able to see how climate has changed over millennia, and compare these changes to current theories about same. From these results, they are hoping to predict trends of future climate change. Isn't that incredible?

From Quiz The Space Between

Answer: The Olympic Flame

This was a Russian achievement to mark the advent of the 2014 Winter Olympics held at Sochi in that country from the 7-23 February. Obviously the torch wasn't lit during its space voyage, but it was accompanied by astronauts from several countries to mark the international spirit of co-operation between nations. This is the second time an Olympic torch has made the journey into space. The first was prior to the 1996 Atlanta Olympics. This time, however, the torch went on a space walk outside the space faring vehicle. It blasted off on its journey to the stars on 7th November, 2013.

From Quiz Summing Up Science With Headlines

Answer: God Particle Found

Few things in science have enjoyed as much media attention as the Higgs boson, yet few scientific subjects in the media are understood as poorly by the general public. At its most basic level, the Higgs boson (or God Particle, as it was described in the 1993 book "The God Particle: If the Universe Is the Answer, What Is the Question?") explains why fundamental particles such as electrons have mass. Immediately after the Big Bang, fundamental particles were believed to have been weightless, and so moved at the speed of light. Shortly after the initial "bang", it was theorised that the Higgs field developed, introducing a drag on these particles, slowing them down. Meanwhile, the photon, which has no mass, was not affected by the Higgs field and so continued to travel at the speed of light (indeed it has been proposed that the photon may even be able to exceed this speed). The Higgs field was proposed to be made up of once theoretical particles called Higgs bosons, the existence of which were confirmed in 2013, almost fifty years after they were first proposed.

From Quiz That's Not a Letter

Answer: y-intercept

The number b corresponds to the y-intercept of a line (the place at which the line crosses the y-axis). This point always occurs when x = 0, making the y-intercept of a non-vertical line (0,b). A, b, and c are frequently used to represent the sides of a triangle, or parts of a conic curve. B is also used to represent the base of some geometric shapes, such as triangles and trapezoids.

From Quiz Dihydrogen Monoxide

Answer: Hydrosphere

The hydrosphere is the whole amount of water present on Earth; it includes air, surface and underground water, in its liquid, vapor, or ice forms.

From Quiz Do You Know Who I Am?

Answer: Alfred Kinsey

Alfred Kinsey (1894-1956) was born in Hoboken, NJ. In addition to "Sexual Behavior of the Human Male", he also wrote "Sexual Behavior in the Human Female", which together are known as the Kinsey Reports. He was played by Liam Neeson in the 2004 movie "Kinsey".

From Quiz Science for You

Answer: Bactrian camel

The Arabian camel is a type of dromedary camel which has only one hump and it is a large even-toed camel. The scientific name of dromedary camels is Camelus dromedarius and that species has only one hump.

From Quiz Marine Navigation

Answer: Mercator

Mercator's projection has the most distortion toward the poles, causing land areas in the upper latitudes to appear much larger than they actually are.

From Quiz Big, Bigger, Biggest

Answer: The mass production of iron and steel

Long beams of solid iron become the architect's friend in the late nineteenth century. It was light, it was narrow and it took up a lot less space than solid bricks. In addition, they were able to support a great deal more weight. Then steel came along, much lighter and stronger than iron and the architects must have thought that they were in heaven. Well, maybe it wasn't heaven but at least now they could say they could get a little closer to the sky.

From Quiz Paints and Coatings

Answer: Thompson WaterSeal

Thompson's is a sealer, which is a coating. The other three companies primarily produce paint, which contains pigment.

From Quiz Interesting Research Findings In 2010

Answer: Structures on the moon.

Traditionally, construction engineers run a variety of tests on a building site to make sure the building won't sink into the ground, tip over, or run into any other problems that could stem from a rocky (pun intended) relationship between the soil and the building's foundation. But those tests involve a lot of equipment, which can't easily (or cheaply) be transported to the moon. But getting a small sample of lunar regolith, or moon soil, is possible. So researchers at North Carolina State University came up with a technique for applying computer models that can use a tiny sample to tell us about the potential interface between moon soil and anything you'd want to build.

From Quiz From Quark to Cosmos

Answer: sulfur

Sulfur nuclei commonly contain sixteen protons and sixteen neutrons. Sulfur is a multivalent non-metal element of the oxygen group. Sulfur is a solid at standard temperature and pressure.

From Quiz Science Analogies

Answer: epinephrine

Cortisol and epinephrine (adrenaline) are hormones secreted by adrenal glands. The adrenal cortex is the outer part. The adrenal medulla is the inner part. The other hormone secreted by the adrenal medulla is the norepinephrine (noradrenaline). The epinephrine and norepinephrine also act as neurotransmitters.

From Quiz Science All Around You

Answer: About 34 feet

It's not the vacuum that pulls water up in a straw, it's air pressure pushing down on the water in the glass. At sea level one atmosphere pressure can drive water up about 34 feet maximum, no matter how strong the vacuum above it.

From Quiz Bizarre Experiments!

Answer: All answers are correct

It doesn't bear thinking about, does it? He also doused himself with infected saliva, blood, perspiration and urine. Ffirth did not get ill and therefore concluded that he was correct. Noticing that yellow fever only occurred in the summer he hypothesised that the disease was caused by an over indulgence of stimulants such as food heat and noise. Unfortunately this very 'brave' man was wrong as it was later discovered that yellow fever is very contagious, however it usually requires a direct transition into the blood, from a mosquito bite.

From Quiz D in Science

Answer: Michael Faraday

Michael Faraday (1791-1867) was fascinated by electricity. In addition to the dynamo, he invented the transformer and the direct current motor. Despite his humble beginnings - he was the son of a very poor family and was self-educated - he became a protege of the great Sir Humphrey Davy, and grew to great prominence among the British scientific elite. Harvey Firestone founded the Firestone Tire and Rubber Company in 1900, Reginald Fessenden was the Canadian inventor of wireless telephony (1900), and Nathan Fillion is a Canadian actor who worked on 'Serenity', and 'Slither', among others.

From Quiz General Science Inc.

Answer: Friedrich Kekulé

Kekulé proposed a structure for benzene consisting of a ring of carbon atoms with alternating double and single bonds.

From Quiz A Sci/Tech "Common Bond" Quiz

Answer: Sour

All acids, when dissolved in water, taste sour. In fact, acids are the ONLY substances that taste sour. For example, vinegar is a dilute solution (3 - 5%) of acetic acid. Other edible acids include citric acid, found in citrus fruits like lemons and limes, and tartaric acid, found in tamarinds. On the other hand, alkalis - aqueous solutions of bases - taste bitter.

From Quiz General Science Vocabulary

Answer: bayou

This word is from a Cajun version of the Choctaw word for creek, which is bayuk. The term is particularly used in the southern parts of the USA, such as Louisiana and Mississippi.

From Quiz Blinding You With Science

Answer: antacid tablet

Simethicone is an anti-foaming agent which basically breaks down and disperses gas bubbles, and is often added to antacid medication.

From Quiz A Scientific Mixture! (2)

Answer: Technetium

Both einsteinium and fermium were made by A. Ghiorso in 1952 in U.S.A. Unnilseptium was made by G. Munzenburg in 1976 in Germany. Technetium was made in 1937 by C. Perrier and E. Segre.

From Quiz The Incredible Shrinking Science Quiz

Answer: Least weasel

The least weasel has a body about six or seven inches long, and only weighs about three ounces. The ermine, the stoat, and the short-tailed weasel are all names for the same animal. It has a body about ten inches long and weighs about seven ounces.

From Quiz The Amazing Colossal Science Quiz -- Starring You!

Answer: African Elephant

Adult male African elephants can weigh as much as 14 tons. Indian elephants are lighter, with the males reaching weights up to 11 tons. A hippo might reach a weight of 8 tons. The rhino only reaches a weight of about 5 tons.

From Quiz Basic Mixed Science

Answer: 1950 DA

However, its planned collision date isn't until 2880. Out of our lifetime, but still scary.

From Quiz General Science Part IV

Answer: get hit by an old tennis ball

There is a big difference in the impact you'll feel depending on the condition of the ball. A new ball is very hard, and will cause an almost elastic collision. Your skin feels the impact of the collision, but must also deliver the force for the bounce back of the ball. This according the Third Law of Newton: action equals reaction. So your skin will feel two times the impact. When the ball was already used, it became a bit soft (weak) and therefore the collision will be far less elastic. A lot of the energy involved will be dissipated (transformed) into heat, and therefore the remaining impact on your skin will be less.

From Quiz The Scientific Spirit

Answer: both

I needn't tell about the uses of ultrasound in engineering, you would already know this. In medicine, ultrasound is used to shatter kidney stones while the tissue reamains undamaged. Also it is used by doctors to examine the growing fetus in the womb.

From Quiz Science Mixture

Answer: 400kHz

The frequency is the inverse of a time period in seconds. The inverse of 2.5 microseconds is written as (1,000,000/2.5), which is equal to 400,000Hz (or 0.4 Megahertz). One kilohertz is equal to 1000 hertz, so to convert to kilohertz, you divide 400,000Hz by 1000 to get 400kHz.

From Quiz Science Terms

Answer: Mass per unit volume

Density is defined as mass per unit volume. The engineering units commonly used are kilogram per cubic meter (kg/m3) and gram per cubic centimeter (g/cc). The density of water is usually 1000 kg/m3 is higher than oil, usually about 800 kg/m3. When the two fluids are mixed in a container, water will sink to the bottom due to the higher density of water.

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Last Updated Dec 21 2024 5:44 AM

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