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Ch 1
Science chapter 1
Term | Definition |
---|---|
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. |
Variable | Something that can change in a test. |
Control Group | The group that doesn't get the special treatment. |
Procedures | Step by step instructions for completing a task. |
Data | Information from which a conclusion can be drawn or a prediction can be made. |
Precision | The ability to consistently 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 you make you believe that something is true. |
modle | Objects or ideas that represent other things. |
Survey | Questions that are answered by people. |
Sampling | Examining random people from a population. |
Independent variables | The variable that is changed by the scientist:The 'I control' variable. |
Dependent variables | Changes when the I.V changes - what is being measured. |
Experimental group | The group that gets the special treatment. |