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Learning Target 1 - Perform scientific experiements demonstrating an understanding of scientific methods and concepts.

Problem

A research question

Hypothesis

A prediction that can be tested scientifically.

prediction

a logical statement about what will happen if the hypothesis is correct

experiment

A research method in which an investigator manipulates one or more factors to observe the effect.

procedure

methods and sequence of steps to be performed for the experiment

observation

the act of making and recording a measurement

conclusion

a summary of the results of the experiment and a statement of how the results relate to the hypothesis

constant

variable that is not changed in an experiment

independent variable

the experimental factor that is manipulated; the variable whose effect is being studied

dependent variable

the outcome factor; the variable that may change in response to manipulations of the independent variable

control group

a group in an experiment that receives no experimental treatment

experimental group

A subject or group of subjects in an experiment that is exposed to the factor or condition being tested.

controlled experiment

involves changing one factor and observing its effect on one thing while keeping all other things constant

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