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Chapter 1

The Nature of Science

Hypothesis a statement of what you think will happen during an investigation
Observation something you find out about objects, events, or living things by using your senses
Experiment The use of scientific methods to test your hypothesis
Model Objects or ideas that represent other things
Sampling Examining random individuals from a population
Variable Something that can change in a test
Independent Variable The variable you can control or change
Dependent Variable It is what is measured. changes when the independent variable changes.
Control Group The group that doesn't receive the special treatment
Experimental Group The group that gets the special treatment.
Surveys Questions that are answered by people. Great for opinion questions
Procedures step-by-step instructions for completing a task
Evidence Observations that make you believe  something is true
Inference  A conclusion based on observations
Accuracy  A measurement that is as close to the  actual measurement as possible
Precision Consistently repeating a measurement
Data Information from which a conclusion  can be made
Created by: indydarren