Saltwater freezes at... a. the same temperature as fresh water b. a slightly higher temperature than fresh water c. a slightly lower temperature than fresh water d. saltwater does not freeze

The only species of cat that lives and hunts in groups is... a. lions b. leopards c. jaguars d. cougars

How many men have walked on the moon? a. 12 b. 10 c. 8 d. 6

Which of the following is considered a renewable resource? a. coal fired power plant b. hydroelectric dam c. combustion turbine facility d. nuclear fission power plant

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

One metal dissolved in another is called a. an alloy b. an assay c. a mineral d. a ceramic

The study of poisons is called: a. oncology b. toxicology c. phrenology d. ergonomics

Which of the following is an important element of stainless steel? a. chromium b. magnesium c. copper d. nickel

At what temperature are Celsius and Fahrenheit equal? a. -65 b. - 40 c. 40 d. 65

A cloud at ground level is called what? a. rain b. sleet c. fog d. mist

In the U.S., how many gallons of fresh water does each person use per day for personal use on average? a. 10 gallons b. 30 gallons c. 60 gallons d. 90 gallons

As you go down a well, your weight... a. increases slightly b. decreases slightly c. stays exactly the same d. changes drastically