Science Vocabulary Flashcards
hypothesis
testable explanation of a question or problem
experiment
the act of conducting a controlled test or investigation
control
a standard against which other conditions can be compared
concentration
the ratio of the amount of solute to the amount of solvent or solution
conclusion
a final decision based on facts, experience, or reasoning
control group
experimental group in which conditions are controlled
controlled variable
a factor in an experiment that remains constant
constant
remaining steady and unchanged
correlation
a close connection between two ideas or two sets of data
dependent variable
result or change that occurs due to the part of an experiment being tested
direct relationship
the connection between two variables that shows the same effect (they both increase or both decrease)
experimental design
the experimental part in which all the conditions are kept the same except for the condition being tested
inconsistent
not in agreement
independent variable
in a controlled experiment, the variable that is being changed
inverse relationship (indirect)
the connection between two variables that shows the opposite effect (when the value of one increases, the value of the other decreases)
theory
a general rule offered to explain experiences or facts
variable
that which can be changed
absolute zero
the lowest possible temperature. It is 0 Kelvin or approximately -273 degrees Celsius.
Chlorophyll
the green pigment present in plants which captures light energy for photosynthesis
validity
based on evidence that can be supported
proportional
any quantities or measurement having the same relationship
proponent
one who supports a cause
optimum
the best or most favorable degree, condition, or amount
abundant
something that is plentiful or exists in large quantities
assert
to state a fact or belief with authority and confidence; to make other’s believe in one’s authority