Science Quiz / 'H' in Science

Random Science or Definition Quiz

Can you name the answers to these science questions?

 Plays Quiz Updated Feb 28, 2017

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What element is first on the Periodic Table?
In what unit is frequency measured?
What term refers to the period over which a substance decays by 50%?
After which American astronomer is the telescope launched by Discovery in 1990 named?
What theory, pioneered by Nicolaus Copernicus, stated that the sun was the center of the solar system?
What psychological disease is characterized by excessive preoccupation or worry about being sick?
What astronomical entity is visible from Earth every 76 to 77 years?
Andrew, Ike, and Katrina are names of what meteorological phenomena?
What term refers to an organism that eats only plants?
What term refers to the amount of water vapor present in the air?
The first step in the scientific method is to form a what, which is often an educated guess?
The Mohs Scale, ranging from Talc (1) to Diamond (10), measures what information about a mineral?
Whose uncertainty principle states that one can either know the location or velocity of an electron, but not both?
What recently confirmed elementary particle is used to explain spontaneous breaking of electroweak symmetry?
What is the generic name for the non-metallic elements in Group 17 of the Periodic Table?
What term signifies a substance that lacks uniformity in composition or character?
What process comes from the Greek for, literally, 'separation by water'?
What portion of the brain is responsible for most activities of the autonomic nervous system?
Baryons and mesons are the two families of what quark-comprised composite particles?
What term refers to the property of a system that regulates its internal environment to remain stable?

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