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chapter 1
Term | Definition |
---|---|
hypothesis | is a statement is what you think will happen during an investigation |
observation | is something you find out about objects |
experiment | is the use of scientific methods to test your hypothesis |
variable | is something that can change in a test |
control group | is the group that DOESN'T get the special treatment :( |
procedures | are a step by step instructions for completing a task |
data | are information from which a conclusion can be drawn or a prediction can be made |
precision | is the ability to constantly repeat a measurement |
accuracy | is the ability to a object about the actual measurement |
inference | is a conclusion based on observations |
evidence | is an observation that you believe is true |
independent variable | is one that you control |
dependent variable | it changes when the independent variable changes, it is what gets measured, gives you data |
model | object or idea that represents other things |
survey | questions that are answered by people, great for opinion questions |
sampling | examining random individuals from a population |
experimental group | the group that gets the special treatment |