Knowledge
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What do ship captains use to help them know when it is safe to dock at the ocean's edge?
Tide Tables. Tide tables list the high and low water heights and times for each day.
To which part of physics does the Archimedes' Principle refer?
Buoyancy. Buoyancy is an upward force exerted by a fluid that pushes against an object's weight.
What is the name of an instrument that records vibrations in the Earth's crust?
Seismograph. The Richter Scale assigns a number to quantify the amount of seismic energy.
What type of topography describes caves, caverns, and sinkholes?
Karst. Karst topography is a landscape shaped by the dissolution of a layer or layers of soluble bedrock.
Which of these is a type of galaxy?
Spiral. Edwin Hubble first described a spiral galaxy in "The Realm", his 1936 work.
What kind of waves are formed when you send electricity through a magnet?
Electromagnet. An electromagnet loses its magnetic force when the current ceases.
What term describes what happens when ice breaks off a main glacier and becomes an iceberg?
Calving. The calving of glaciers in Greenland creates 12,000 to 15,000 icebergs annually.
One mile per hour is about how many meters per second?
0.447. 1 mile per hour = 5280 feet per hour.
What part of the plant does most of the photosynthesis?
Leaf. In the fall, leaves stop producing chlorophyll, which allows the other colors in the leaf to show through.
What is a combination of the function of the elevators and ailerons in one?
Elevons. Elevons are aircraft control surfaces.
Earthmen first sent a spacecraft to which planet?
Venus. Venus rotates once on its axis every 243 earth days.
Which scientific term means "a small body of water"?
Pond. "Succession" is the term for the transformation of a pond to a type of landform.
In 1966, Hovercraft service began over what body of water?
English Channel. The English Channel joins the North Sea to the Atlantic Ocean.
Which of these is not a learned trait?
Brown Eyes. Brown is the most common eye color in the world.
Which of the these can help weather scientists track and predict hurricanes?
Airplane Radar. The National Hurricane Center tracks hurricane activity with radar.
In 1993, the "Mars Observer" took the first ever pictures of Mars from how far away?
5 Billion Kilometers. Mars Observer was launched by the U.S. in September 1992.
From what type of storm does a hurricane form?
Tropical Depression. A tropical depression is an organized group of thunderstorms.
What are large volcanoes that rise from the sea floor called?
Seamounts. A seamount never reaches the surface of the ocean, thus never becoming an island.
Which planet seems to roll rather than spin along its orbit?
Uranus. Uranus is theorized to have been hit by something large millions of years ago, causing its odd rotation.
What is the largest planet in the solar system?
Jupiter. Jupiter is the fifth planet from the Sun.
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