Bronze is an alloy consisting primarily of what two elements?
a) Copper and tin
b) Copper and silver
c) Tin and silver
a) Copper and tin
Who developed and patented the electrical telegraph in the United States in 1837?
a) Samuel Morse
b) Alexander Graham Bell
c) Thomas Alva Edison
a) Samuel Morse
How many pairs of chromosomes are in found in the average human?
a) 20
b) 22
c) 23
c) 23
Which is the most abundant metal in the earth's crust?
a) Iron
b) Aluminum
c) Nickel
b) Aluminum
What vitamin is produced when a person is exposed to sunlight?
a) B12
b) E
c) D
c) D
Who came up with the three laws of motion?
a) Isaac Newton
b) Albert Einstein
c) Ernest Rutherford
a) Isaac Newton
Who is generally acknowledged as the “father” of the modern periodic table?
a) Dmitri Mendeleev
b) Joseph Priestley
c) Sir Humphry Davy
a) Dmitri Mendeleev
What blood type do you need to be a universal donor?
a) O+
b) O -
c) AB+
b) O -
