What weather phenomenon causes more deaths in the U.S. annually than any other except lightning?
Tornadoes
100
What name is given to wood whose normal cells have been replaced with mineral deposits? (hint: turned to stone)
Petrified
100
The fastest-running terrestrial animal is...
the cheetah
100
Which sea is the saltiest natural lake and is also at the lowest elevation on the face of the earth?
The Dead Sea
100
Yeast, used in making bread is a:
w) plant
x) fungus
y) bacteria
z) seed
fungus
200
In what country do the greatest number of tornadoes occur?
United States
200
To what familiar fruit is the plantain similar?
Banana
200
What mammal lays eggs?
platypus
200
Albacore is a type of:
tuna
200
What is one of the only places that dogs have sweat glands?
nose and paws
300
A cloud at ground level is called what?
Fog
300
Using the fewest names of the members of this family, identify the tree family which includes among its members the: Fink, myrtle, turkey, jacks, laurel, white, live, blue, valley and pin. Name the tree family.
Oak
300
What is the name of the largest North American terrestrial rodent, distinguished by its spiny covering?
Porcupine
300
What is the STUDY OF ARACHNIDS?
Spiders
300
What body function are rats unable to do which makes them extra vulnerable to poison?
vomit
400
What is the name given to the invasion of warm surface waters off the Peruvian coast that has been identified with strange climactic effects in recent years, including increased rainfall?
El Nino
400
"General Sherman" is my name. In 1972 I had a spread of 90 feet and a height of 272 feet. What am I?
Sequoia
400
The only species of cat that lives and hunts in groups is:
lions
400
What poisonous alkaloid is extracted from tobacco leaves and widely used as an insecticide? (hint: used in cigarettes)
nicotine
400
Most commercial nuclear power plants worldwide are cooled by:
w) sodium
x) mercury
y) helium
z) water
water
500
Wt what point are the Celsius and Fahrenheit scales equal?
-40 degrees
500
Plants get their nitrogen from:
a) rain
b) the soil
c) the air
d) the bedrock
Soil
500
What land mammal holds the record for the greatest age?
humans
500
Name the general type of mammal that gives birth to undeveloped young that are kept in pouches.
Marsupials
500
What do you produce by adding Lactobacillus Bulgaricus to milk?