Unit 1 Vocab

A variable that is deliberately changed in an experiment.

• Dependent Variable

• Control

• Independent Variable

• Precision

The variable that is measured as a result of changes in the independent variable.

• Model

• Dependent Variable

• Base Unit

• Conclusion

A part of the experiment that is kept the same for comparison.

• Reliability

• Scientific Theory

• Control

• Prediction

A measurement that is close to the correct or accepted value.

• Accuracy

• Validity

• Model

• Engineering Design

A measure of how close repeated measurements are to each other.

• Measurement

• Hypothesis

• Precision

• Accuracy

A testable prediction based on prior knowledge and observations.

• Scientific Law

• Hypothesis

• Theory

• Control

An explanation of why or how something happens, supported by evidence.

• Scientific Theory

• Measurement

• Model

• Hypothesis

A statement that describes what always happens under certain conditions.

• Engineering Design

• Independent Variable

• Scientific Law

• Physics

How well a method measures what it is supposed to measure.

• Validity

• Conclusion

• Derived Unit

• Predict

The ability to obtain consistent results over repeated trials.

• Reliability

• Scientific Law

• Model

• Precision