Matching Pairs Nature of Science - Unit 1Online version Unit 1 Vocabulary Review by Hannah Bonville 1 Control group 2 Dependent variable 3 Constant 4 x-axis 5 Independent variable 6 Hypothesis 7 y-axis An educated guess, part of the scientific method The thing we change on purpose Something that stays the same throughout the experiment The thing we are measuring Side-to-side axis on a graph, where we put the independent variable In an experiment, it gets no treatment (it's the "normal" thing) Up-and-down axis on a graph, where we put the dependent variable