A | B |
data | any and all information that scientists gather when trying to answer a question |
observation | using one or more of the five senses to perceive an object or event |
sampling | using a small part to represent an entire population |
hypothesis | a statement that explains scientists observataions that can be tested |
prediction | a statement made in advance that states the results that will be obtained by testing a hypothesis |
experiment | the process of testing a hypothesis or prediction by gathering data under controlled conditions |
controlled experiment | an experiment based on the comparason of a control group with an experimental group |
independent variable | an experimentally manipulated variable |
control group | Group in an experiement that will be compared to experimental group. |
experimental group | Group whose independent variable has been changed. |
model | an explanation supported by data. Can be verbal visual or mathematical. |
inference | a conclusion made on the basis of facts rather than on observations |
theory | a broad and comprehensive statement thought to be true |
dependent variable | the variable that is measured in both control and experimental group |