2015 marked the 25th anniversary of the launch of what spectacular NASA astronomical instrument that still orbits the Earth?
Hubble Space Telescope
The southernmost top of the Louisiana Purchase was in what port city?
New Orleans
What type of writing used by the Mayans that consisted of pictures and symbols was also used in ancient Egypt?
Hieroglyphics
Solve the following equation:
2(x+1)+3x=37
x = 7
What meteorological precipitation event causes paint to peel, steel to corrode, stone statues to erode, and tress to be more susceptible to disease?
What bodies orbiting the Sun have these features?
ion tail, dust tail, coma, nucleus
comet
What part of the U.S. Constitution speaks to promoting the general welfare and insuring domestic tranquility?
preamble
This ancient monument, located just outside of Amesbury, England, consists of rings of vertical and horizontally stacked stones. The outer layer of which each weighing around 25 tons.
Stonehenge
Evaluate each expression using the given values:
x - (x + y |x|); where x = 5 and y = 4
-20
Physiologically speaking, the term "contractility" usually refers to what kind of organs?
muscles
The emission or transmission through space of energy in the form of particles or waves is called what?
radiation
Many historians find that the two most significant crops adopted by early American colonists from Native Americans were tobacco and what cereal grass used as food for people and livestock?
corn
These were characteristics of what ancient Greek city-state?
a culture centered on military service, boys at 7 years entered soldier training, social emphasis on obedience and courage
Sparta
A car traveled 281 miles in 4 hours 41 minutes. What was the average speed of the car in miles per hour?
60 miles per hour
What field of biology concentrates on such topics as life processes, interactions, adaptations, the successful development of ecosystems, and biodiversity in relation to environmental factors?
ecology
What famous dwarf planet was named for the Roman god of the dead and ruler of the underworld?
Pluto
Who is the only U.S. president to have served more than two terms?
Franklin Roosevelt
This archaeological age is marked by the development of hammered implements and weapons that were completely different from those of the preceding Bronze Age.
Iron Age
One leg of a triangle is 18 cm and its area is 108 square cm. Find its perimeter.
51.6 cm
What adjective meaning "threatening" or "menacing" was derived from the Latin word "omen"?
ominous
Which of Newton's laws of motion explains why an astronaut's tools appear to float when they are released?
Newton's First Law
In 1864, President Lincoln gave what major general rank of lieutenant general of the U.S. Army, responsible for leading all Union troops against the Confederacy?
Ulysses Grant
This famous early human fossil was named after a well-known Beatles song.
Lucy
Factorize:
a^2 - a - 42
(a - 7)•(a+6)
This verse is about what geological phenomenon?
Excitement, adventure, crash on rocks. Raging river roaring, destruction, bashes, bangs, knocks.
Over, under, round, everywhere. Soil searching without a care.
Ice rolling, scraping, freezing down a rock. Ocean swirling, hurling, will it ever stop. Nature breaking, basking, bumping on and on.
erosion