click below
click below
Normal Size Small Size show me how
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 | Is the use of scientific methods to test your hypothesis. |
variable | Is something that can change in a test. |
independent variable | Is one that you can control. |
dependent variable | Changes when an independent variable changes. It is what gets measured. It is your data. |
control group | The group that doesn't get the special treatment. |
procedures | Are step by step instructions when completing a task. |
data | Is information from which a conclusion can be drawn or a prediction can be made. |
precision | Is the ability to consistently repeat a measurement. |
accuracy | Is 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. |
survey | Questions that are answered by people. Great for opinion question. |
sampling | Examining random indivuals from a population. |
experimental group | The group that gets the special treatment. |