| 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. |
| Model | Objects or ideas that represent other
things |
| Sampling | Examining random individuals from a
population |
| Variable | Something that can change in a test |
| Independent Variable | The variable you can control or change |
| 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. |
| Model | Objects or ideas that represent other
things |
| Sampling | Examining random individuals from a
population |
| Variable | Something that can change in a test |
| Independent Variable | The variable you can control or change |
| Dependent Variable | It is what is measured. Changes when
the independent variable changes. |
| Control Group | The group that doesn't receive the
special treatment |
| Experimental Group | The group that gets the special
treatment |
| Surveys | Questions that are answered by
people. Great for opinion questions |
| Procedures | step‐by‐step instructions for
completing a task |
| Data | Information from which a conclusion
can be made |
| Precision | Consistently repeating a measurement |
| Accuracy | A measurement that is as close to the
actual measurement as possible |
| Inference | A conclusion based on observations |
| Evidence | Observations that make you believe
something is true. |