Which of these people developed the polio vaccine? a) Marie Curie b) Isaac Newton c) Jonas Salk

What vitamin is produced when a person is exposed to sunlight? a) B12 b) E c) D

This picture shows three layers of the Earth. Which layer is the hottest? a) The outer layer, called the Earth’s crust b) The middle layer, called the Earth’s mantle c) The inner layer, called the Earth’s core

Who is generally acknowledged as the “father” of the modern periodic table? a) Dmitri Mendeleev b) Joseph Priestley c) Sir Humphry Davy

Which is the most abundant metal in the earth's crust? a) Iron b) Aluminum c) Nickel

Which solar system planets have rings? a) Saturn, Jupiter, Neptunus and Uranus b) Saturn, Jupiter and Neptunus c) Saturn and Jupiter

Who developed and patented the electrical telegraph in the United States in 1837? a) Samuel Morse b) Alexander Graham Bell c) Thomas Alva Edison

In humans, the atlas and axis bones are found in which part of the body? a) legs b) neck c) abdomen

Who came up with the three laws of motion? a) Isaac Newton b) Albert Einstein c) Ernest Rutherford

Bronze is an alloy consisting primarily of what two elements? a) Copper and tin b) Copper and silver c) Tin and silver

What is the element present on lead pencils? a) Carbon b) Lead c) Zinc

Composing about 78 percent of the air at sea level, what is the most common gas in the Earth's atmosphere? a) Oxygen b) Nitrogen c) Carbon dioxide

What blood type do you need to be a universal donor? a) O+ b) O - c) AB+