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Chapter 1

Hypothesis is a statement of what you think will happen during an investigation
Observation is something you find out about objects, events, or living things by using your senses.
Experiment is the use of scientific methods to test your hypothesis
Variable is something that can change in a test
Control Group the group that doesn't get the special treatment
Procedures are step-by-step instructions for completing a task
Independent Variable is one that you can control
Dependent Variable changes when an independent variable does. it is what measured. this is your data
Data is information from which a conclusion can be drawn or a prediction can be made
Precision is the ability to consistently repeat a measurement
Accuracy is the ability to make a measurement that is as close to the actual value as possible
Inference is a conclusion based on observation
Evidence are observation
Models are objects or ideas that represents other things
Surveys questions that are answered by people. great for opinion questions
Sampling examining random individuals from a population
Experimental Group is the group that get's the special treatment
Created by: george-pappas