Matching Pairs Nature of Science - Unit 1Online version Unit 1 Vocabulary Review by Hannah Bonville 1 y-axis 2 Constant 3 Control group 4 Independent variable 5 x-axis 6 Hypothesis 7 Dependent variable An educated guess, part of the scientific method 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) The thing we change on purpose Up-and-down axis on a graph, where we put the dependent variable Something that stays the same throughout the experiment