150 likes | 170 Views
Dive into the world of scientific process with this guide on hypothesis, theory, and key experimental terms like control group and bias. Understand the importance of controlled experiments and the roles of independent and dependent variables.
E N D
Hypothesis – an idea or explanation that is based on observation and that can be tested.
Theory – an explanation for some phenomenon that is based on observation, experimentation, and reasoning, that is supported by a large quantity of evidence; and that does not conflict with any existing experimental results or observations.
Control group – in an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor.
experiment – a procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth.
Independent variable – in an experiment, the factor that is deliberately manipulated, also called the manipulated variable.
Dependent variable – in an experiment, the factor that changes as a result of manipulation of one or more other factors; also called a responding variable.