click below
click below
Normal Size Small Size show me how
Chapter 1
Term | Definition |
---|---|
Hypothesis | is a statement of what you think will happen in 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 | something can change in a test. |
Independent Variable | one you can control. |
Dependent Variable | changes when an independent variable changes. it is what gets measured. it gives you data |
Control group | not special group treatment |
Procedures | step by step instructions for completing a task |
Data | are info from which a conclusion can be drawn or a prediction can be made |
Precision | the ability to constantly repeat a measurement |
Accuracy | the ability to make a measurement that is as close to the actual value as possible |
Inference | a conclusion based on observations |
Evidence | observations that make you believe that something is true |
Model | objects or ideas that represent other things |
Experimental Group | the group that gets a special treatment |
Surveys | questions that are answered by people. great for opinion |