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?
Carbonyl
Hydroxyl
Aldehyde
Alkyl
98. What does the letter 'S' stand for in 'NASA'?
Space
Society
Science
Star
99. About how old is Earth?
5.5 Billion Years
4.5 Billion Years
2.5 Billion Years
3.5 Billion Years
100. Which of the following men does not have a chemical element named after him?
Albert Einstein
Niels Bohr
Enrico Fermi
Sir Isaac Newton
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