Control: The part of the experiment that scientists keep the same during the experiment ex: temperature, location, light.Control Group: The group in the experiment that remains unchanged.

Independent Variable: The variable the experimenter changes. Also known as the manipulated variable.

Dependent Variable: The variable that changes due to the change in the manipulated variable. Also known as the responding variable.

Quantitative Observation: Observations based on quantity ex: how much, how many, numbers

Qualitative Observation: Observations based on quality ex: use your five senses