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
Confirm
to make sure of the truth of something
Consequence
something produced by a cause of condition
Consistent
in agreement, firm, changeless
Constant
remaining steady and unchanged
Contradiction
a statement in opposition to another
Control group
experimental group in which conditions are controlled
Controlled experiment
one in which the condition suspected to cause and effect is compared to one without the suspected condition
Controlled variable
a factor in an experiment that remains constant