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Chapter 1
Science chapter 1
Term | Definition |
---|---|
Hypothesis | it is a statement of what you think will happen during an investigation. |
Observation | it is something you find out about objects, events, or living things by using your senses. |
Experiment | it is the use of scientific methods to test your hypothesis. |
Varible | it is something that can change in a test. |
Control group | The group that doesn't get the special treatment. |
Procedures | they are step-by-step instructions for completing a task. |
Data | it is information from wich a conclusion can be drawn or a prediction can be made. |
Precision | it is the ability to consistently repeat a measurement. |
Accuracy | it is the ability to make a measurement that is as close to the acual value as possible. |
Inference | it is a conclusion based on observations. |
Evidence | it is observations that make you believe that something is true. |
Independant variable | it is one that you control. |
Dependent variable | it is a variable changes when an independent variable changes. Its what gets measured. It gives you data |
Model | it is objects or ideas that represent other things. |
Survey | it is questions that are answered by people great for opinion questions. |
Sampling | it is examining random people from a population |
Experimental group | The group that gets the special treatment. |