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Terms
More terms
"S" words
So many terms
Guess what? More terms.
100
The human process of trying to understand the world around us.
What is science?
100
Life as we know it would be impossible without this polar molecule.
What is water?
100
A mixture of substances that is the same throughout.
What is a solution?
100
A compound that maintains homeostasis by regulating H⁺ ions.
What is a buffer?
100
These proteins catalyze chemical reactions.
What are enzymes?
200
A proposed answer for a specific question, based on observations and data.
What is a hypothesis?
200
The attraction between a slightly positive hydrogen atom and a slightly negative atom (often oxygen and nitrogen).
What is a hydrogen bond?
200
The substance that is present in the greatest amount and dissolves another substance.
What is a solvent?
200
Solutions with a high concentration of H⁺ ions are _______.
What is acidic?
200
This common illness can potentially become very dangerous, because it increases the temperature in an organism. This in turn causes the hydrogen bonds in enzymes to break apart, changing the enzyme's shape and ability to function.
What is a fever?
300
The result of statistical analysis after an experiment, this type of outcome occurs when the data shows no effect or a very small effect.
What is nonsignificant?
300
A proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence.
What is a theory?
300
The substance that is dissolved by another substance.
What is a solute?
300
Solutions with a low concentration of H⁺ ions are _____.
What is basic?
300
A ______ is a substance (like enzymes) that decrease the activation energy needed to start a chemical reaction by bringing reactants closer together.
What is a catalyst?
400
The variable in an experiment that is manipulated or changed by a scientist.
What is an independant variable?
400
The attraction of molecules of the SAME substance.
What is cohesion?
400
This woman was a child actor in the 1930s and 40s, starring in such films as Heidi and Annie. She grew up to become an American diplomat. She also has a drink named after her.
Who is Shirley Temple?
400
This measurement of a substance in based on the concentration of H⁺ ions.
What is pH?
400
This member of classic rock band The Beatles was often described as a catalyst, because he helped his bandmates write songs by providing inspiration and bringing together different musical ideas, but didn't write a lot of songs himself.
Who is Ringo Starr/Richard Starkey?
500
Something observed and measured during an experiment.
What is a dependent variable?
500
The attraction of molecules of DIFFERENT substances.
What is adhesion?
500
The reactants that an enzyme acts on.
What is a substrate?
500
This process regulates temperature inside an organism so that it's always within a livable range.
What is homeostasis?
500
The ________ of an enzyme determines its function.
What is the structure?