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5 science
chapter 1
Term | Definition |
---|---|
hypothesis | educated guess that answers a question goes in the form if,then,because |
observation | just taking note of your surroundings |
experiment | the use of scientific methods to test a hypothesis |
variable | something that can change in a test |
control group | a standard against which change is measured |
procedures | step by step instructions for completing a task |
independent variable | thing you can change example- amount of fertilizer i used? |
dependent variable | thing you are observing example- amount corn grows |
controlled variable | things you keep THE SAME example- amount of sunlight water,etc. |
model | object (idea) that represents data example- structure of an atom |
survey | questionnaires given to people whose answer are recorded and analyzed |
sampling | examining individuals to collect data |