Knowledge

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ArcaMax

What physical quantity is always conserved in mechanical collisions?

Knowledge / Science Trivia /

Momentum. Velocity, displacement, momentum, force and acceleration are vectors.

A "philatelist" is a what?

Knowledge / Science Trivia /

Stamp Collector. Philatelists study stamps as well as postal history.

What is the process of a river washing away its riverbanks called?

Knowledge / Science Trivia /

Erosion. The Grand Canyon is one of the world's most staggering examples of erosion.

What size star is the Sun?

Knowledge / Science Trivia /

Medium. Electron pressure and gravity determine the size category of a star.

Which of these mammals lays eggs?

Knowledge / Science Trivia /

Duck-Billed Platypus. The duck-billed platypus is native to Australia and Tasmania.

What is the cargo of a spacecraft called?

Knowledge / Science Trivia /

Payload. "Useful load fraction" is the combined weight of the payload and the fuel.

Which branch of the U.S. military tested the Tomahawk Cruise Missile in 1976?

Knowledge / Science Trivia /

Navy. BGM-109 Tomahawk was developed by General Dynamics and is produced by Raytheon.

What is the name of the spacecraft that took the first men to the moon?

Knowledge / Science Trivia /

Apollo 11. Apollo 11 landed on the moon July 20, 1969.

What fraction of Earth's gravity is the Moon's gravity?

Knowledge / Science Trivia /

One-Sixth. The moon is 1/4 the size of Earth, so the its gravity is much less than the earth's gravity.

How much of an iceberg appears above the water line?

Knowledge / Science Trivia /

1/9th. Icebergs that come to rest on the seabed in shallow water can become an ice island.

What is Gregor Mendel known to be the father of?

Knowledge / Science Trivia /

Genetics. Gregor Mendel became interested in why things take on the traits of their parents, and began his research with plants.

How many dynes make one Newton?

Knowledge / Science Trivia /

10^5. A "newton" is named for Sir Isaac Newton, who discovered gravity.

Which material do fossils make more attractive to an architect?

Knowledge / Science Trivia /

Marble. Marble is a metamorphic rock composed of recrystallized carbonate mineral.

What is the name given to a fossil that best defines a rock layer's age?

Knowledge / Science Trivia /

Index Fossil. Index fossils are used to define and identify geologic periods or faunal stages.

What is the constellation in the shape of a winged horse called?

Knowledge / Science Trivia /

Pegasus. One of the stars in 51 Pegasi is orbited by the first true extrasolar planets ever discovered.

Which Apollo flight was the first to orbit the moon?

Knowledge / Science Trivia /

Apollo 8. Apollo 8 was the first human spaceflight to leave the orbit of the Earth.

Which planet became the outermost planet again on March 15, 1999?

Knowledge / Science Trivia /

Pluto. Since being declassified as a planet, Pluto's technical name is "134340".

A "gustnado" is a gust from what?

Knowledge / Science Trivia /

A Tornado. "Gustnadoes" are small, weak tornadoes that do not stay on the ground for very long.

The world's largest artificial reef, the U.S.S. Oriskany, can be found in what ocean?

Knowledge / Science Trivia /

Atlantic Ocean. The Atlantic Ocean is divided by the equator to create the North Atlantic and South Atlantic oceans.

What did Balboa originally name the Pacific Ocean?

Knowledge / Science Trivia /

South Sea. Because of the calm waters, Magellan renamed the sea the "Pacific Ocean".

 

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