variable - Variables are the parts in experiments that are likely to change., three types of variables: - independent variable, dependent variable, Controlled variables (constants), independent variable - An independent variable is the variable that is changed by a scientist in an experiment., dependent variable - A dependent variable is what is measured by a scientist in an experiment., What variable is being changed on purpose? - This is the independent variable., What is being measured throughout or at the end of the experiment? - This is the dependent variable., scientific method  - A method of research in which a problem is identified, relevant data is gathered, a hypothesis is formulated from this data, and the hypothesis must be able to be tested., experimental group - The treatment group to help you determine the difference between the control group and the experimental group. This group receives the treatment whose effect scientists wish to study, whereas the control group does not. , control group - This is the group in a scientific study that is given nothing special to compare it with a group given something scientists are testing. Control group studies help scientists test a claim that one thing causes another., This variable causes something to happen. It is the variable that changes. - Independent Variable, This is the variable that gets the effect of the cause. It is the variable that is measured. - Dependent Variable,

Scientific Method: The Unit

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