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