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Chapter 1 science
Science5 class: Mr. Hale
Term | Definition |
---|---|
hypothesis | a statement of what you think will happen during an investigation |
observation | something you find out by using your senses |
experiment | using scientific methods to test your hypothesis |
variable | something that you can change in a test |
independent variable | a variable you can change |
dependent variable | a variable that changes when the independent variable changes; it is what gets measured; it is your data |
control group | the group that doesn't get the special treatment |
procedures | step-by-step instructions for completing a task |
data | information from which conclusions or predictions can be made |
precision | the ability to repeatedly get the same result |
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 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 questions |
sampling | examining random individuals from a population |
experimental group | the group that gets the special treatment |