
Science 150414 is a selection of 10 questions. Science 150414 is the filename to differentiate it from other Science & Nature quizzes. Feel free to use any of these questions and answers for your own quizzes. Just keep in mind that you cannot republish them in any format.
1 What name do we give to a piece of rock from space that reaches the surface of the Earth?
A Meteorite
2 What is the better-known name for the mild antiseptic Trichlorophenylmethyliodosalicyl?
A TCP (TCP was introduced in 1918) Trichlorophenylmethyliodosalicyl was replaced as the active ingredient by a mixture of phenol and halogenated phenols in the 1950s
3 What is the main constituent of Natural gas?
A Methane (Natural gas is a hydrocarbon gas mixture consisting primarily of methane but commonly includes varying amounts of other higher alkanes and sometimes a
4 Pure water has a pH level of around what number?
A Seven
5 What is the highest digit that can appear in an octal numerical system?
A Seven
6 What is the name for the mathematical constant 3.14159?
A Pi
7 Under standard conditions, which metal is the lightest?
A Lithium
8 What is the most recognised model of how the universe began?
A The Big Bang
9 Which two subatomic particles are in the nucleus of an atom?
A Protons and Neutrons
10 As in the genetic material of a cell, what does DNA stand for?
A Deoxyribonucleic Acid (pronounced dee-oxy-rye-bow-nu-clee-ik acid) (RNA is Ribonucleic acid)