PS.1 Vocabulary

Inference

• A conclusion drawn from evidence

• A statement of fact

• A random guess

• A personal opinion

Independent variable

• The part of an experiment that you change or alter

• The part of an experiment that remains constant

• The part of an experiment that is measured

• The part of an experiment that is observed

Qualitative observation

• An observation that involves precise measurements and numbers

• An observation that does not involve measurement or numbers

• An observation that is based on statistical analysis

• An observation that requires mathematical calculations

Experiment

• A structured test of a problem or inquiry

• A random guess about a situation

• A casual observation of an event

• A theoretical explanation of a phenomenon

Control

• Used for comparison with other trials of the experiment usually the lowest or 'plain' independent variable.

• A variable that is changed in an experiment to test its effects.

• The outcome measured in an experiment to see if it changes.

• A method of organizing data collected during an experiment.

Constant

• The parts of an experiment that remain the same

• The variable that is changed in an experiment

• The outcome measured in an experiment

• The initial hypothesis of the experiment

Results

• The experiment shows a significant increase in temperature.

• The experiment demonstrates a chemical reaction.

• What happens in the experiment

• The experiment results in no observable change.

Data

• Information collected

• Random numbers

• Unprocessed facts

• Visual representations

Conclusion

• A summary of the experiment's findings

• A reason for doing an experiment

• A list of materials used

• A hypothesis to be tested

Quantitative observation

• An observation that involves measurement and numbers

• An observation based on personal feelings

• An observation that describes qualities without numbers

• An observation that is purely theoretical