What land mammal holds the record for greatest age?
a. hippopotamus
b. elephant
c. human
d. brown bear
c. human
15
Used primarily in fertilizers, which element is never found free in nature even though it makes up about 2.5% of the earth's crust?
a. potassium
b. nitrogen
c. phosphorus
d. iron
a. potassium
15
What element, whose symbol is derived from the Latin for "liquid silver," has been found in Egyptian tombs from 1500 B.C.?
a. titanium
b. iron
c. mercury
d. lead
c. mercury
15
Which prefix is often used with scientific terms to indicate that something is the same, equal, or constant?
a. iso
b. mega
c. meta
d. quasi
a. iso
15
The study of phenomena at very low temperatures is called:
a. heat transfer
b morphology
c. crystallography
d. cryogenics
d. cryogenics
15
The branch of medical science which is concerned with the study of disease as it affects a community of people is called:
a. epidemiology
b. oncology
c. paleontology
d. pathology
a. epidemiology
15
The study of how people use tools to perform work and how people physically relate to their working environment is called:
a. engineering
b. ergonomics
c. agronomy
d. physiology
b. ergonomics
15
If a metal can be pulled into wires relatively easily it is called:
a. malleable
b. ductile
c. extractive
d. tactile
b. ductile
15
Occasionally, a bad cold will cause a decrease in a person's hearing ability. What is the name of the tube that becomes blocked to cause this problem?
a. esophagus
b. occipital tube
c. narietal opening
d. eustachian tube
d. eustachian tube
15
Which mammal group gives birth to undeveloped young that are kept in pouches?
a. monotremes
b. pangolins
c. marsupials
d. pachyderma
c. marsupials
15
At room temperature, most elements are in which phase of matter?
a. solid
b. liquid
c. gas
d. plasma
a. solid
15
The science of weights and measures is called:
a. metrology
b. meteorology
c. mineralogy
d. morphology
a. metrology
15
Which of the following is made primarily of calcium carbonate?
a. fish scales
b. shark teeth
c. oyster shells
d. whale bones
c. oyster shells
15
Loss of calcium from bones is called...
a. cystic fibrosis
b. osteoporosis
c. tuberculosis
d. endocytosis
b. osteoporosis
15
The Statue of Liberty is green because of...
a. green stone
b. oxidized brass
c. steel painted green
d. oxidized copper
d. oxidized copper
15
The word "atom" is from a Greek word meaning:
a. small
b. indivisible
c. unseen
d. visible
