'H' in Science

Random Science or definition Quiz

Can you name the answers to these science questions?

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

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