Practice your trivia skills: Science & Nature
CategoriesScience & Nature
96. Along with Oxygen, which element is primarily responsible for the sky appearing blue?
Nitrogen
Hydrogen
Carbon
Helium
97. An organic compound is considered an alcohol if it has what functional group?
Hydroxyl
Alkyl
Aldehyde
Carbonyl
98. What does the letter 'S' stand for in 'NASA'?
Society
Science
Space
Star
99. About how old is Earth?
3.5 Billion Years
4.5 Billion Years
5.5 Billion Years
2.5 Billion Years
100. Which of the following men does not have a chemical element named after him?
Niels Bohr
Albert Einstein
Sir Isaac Newton
Enrico Fermi
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