QUESTIONS WITH SOLUTIONS GRADED A+
✔✔vernal (spring) equinox - ✔✔the time when the Sun's direct rays strike the equator
resulting in day and night of equal length, usually on March 21st or 22nd
✔✔winter solstice - ✔✔the shortest day when the Sun is the farthest south of the
equator and the Northern Hemisphere, usually on December 21st or 22nd
✔✔Earth's revolution takes - ✔✔365 days, 5 hours and 48 minutes
✔✔advection - ✔✔lateral transfer of heat
✔✔atmospheric pressure - ✔✔the weight of all of the atmosphere's gases and
molecules on the Earth's surface
✔✔Beaufort Scale - ✔✔a scale for estimating wind speed on land of sea
✔✔conduction - ✔✔heating by direct contact
✔✔convection - ✔✔heat transfer by vertical motion
✔✔microburst - ✔✔a downdraft or down burst phenomenon that creates unstable air
and thunderstorm turbulence
✔✔One knot equals - ✔✔1.15 mph
✔✔dew point - ✔✔the temperature at which the air becomes saturated with water vapor
✔✔High level clouds occur above ________ feet and are given the prefix _______ -
✔✔20,000, cirro
✔✔Mid level clouds occur between _______ and _________ feed and are given the
prefix ______ - ✔✔6,500, 20,000, alto
✔✔Low level clouds occur below _______ feet and are not given a prefix. They
normally consist of __________ ______________ __________ or even supercooled
droplets - ✔✔6,500, liquid water droplets
✔✔thunderstorms - ✔✔cumulonimbus cloud possessing thunder and lightning; usually
accompanied by strong winds, rain, and sometimes hail
✔✔On average in the US over ______ people are killed every year by lightning -
✔✔200
, ✔✔About ______ tornadoes are reported throughout the US annually - ✔✔700
✔✔Roger Bacon - ✔✔increased the range of rockets
✔✔William Congreve - ✔✔designed rockets for military use
✔✔Jean Froissart - ✔✔improved the accuracy of rockets by launching them through
tubes
✔✔Yuri Gagarin - ✔✔a Russian; the first man in space and the first man to orbit the
Earth
✔✔John Glenn - ✔✔first American to orbit the Earth
✔✔Robert Goddard - ✔✔experimented with solid and liquid propellant rockets; is called
the "Father of Modern Rocketry"
✔✔William Hale - ✔✔developed the technique of spin stabilization
✔✔Hero - ✔✔developed the first rocket engine
✔✔Sergei Korolev - ✔✔the leading Soviet rocket scientist; known as the "Father of the
Soviet Space Program"
✔✔Sir Issac Newton - ✔✔laid scientific foundation for modern rocketry
✔✔Hermann Oberth - ✔✔space pioneer; wrote a book about rocket travel into outer
space
✔✔Alan Shepard - ✔✔first American in space
✔✔Skylab - ✔✔first US space station
✔✔Spin Stabilization - ✔✔a technique developed by Englishman, William Hale, wherein
escaping gasses in a rocket hit small vanes that made the rocket spin, and stabilize,
much like a bullet in flight
✔✔Sputnik I - ✔✔first artificial satellite; Russian
✔✔Konstantin Tsiolkovsky - ✔✔proposed the use of rocket for space exploration and
became known as the "Father of Modern Aeronautics"
✔✔Wernher von Braun - ✔✔director of the V-2 rocket project