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chapter 1

Hypothesis A hypothesis is a statement of what you think will happen during an investigation.
Observation An observation is something you find out about objects, events, or living things by using your senses.
Experiment An experiment is the use of scientific methods to test your hypothesis.
Variable A variable is something that can change in a test.
Independent variable A independent variable is one that you can control.
Dependent variable A dependent variable changes when an independent variable changes.
Control group A control group is a standard against which change is measured.
Data Data are information from which a conclusion can be drawn or a prediction can be made.
Precision Precision is the ability to consistently repeat a measurement.
Accuracy Accuracy is the ability to make a measurement.
Inference An inference is a conclusion based on observations.
Procedures Procedures are step by step instructions for completing a task.
Evidence Evidence are observations that make you belive that something is true.
Created by: alice-radentz