sciencetific method for Mr Mcnelly class

problem

what you want to solve

observation/research

knowledge gained before hypothesis is made

hypothesis

educated guess

experiment

detailed steps of how a test is done

results

finding from your experiments

conclusion

includes acceptance or rejecting of hyothesis

comunicate

telling others about your findings

order of steps

problem, observation, hypothesis, experiment, results, conclusion, communicate

indepent variable

variable that the experimenter has control over

dependent variable

variable that responds to change in the experiment

control group

the group that serves as comparison for all other groups

constants

everything that remains the same

what axis does dependent go on

y axis

what axis does independent go on

x axis

5 parts needed for a graph

title, scales, independent variable, dependent variable, legend

what is a bar graph

comparing sets of measurements

what is a line graph

shows changes that occur between varibles

what is a circle graph (pie chart)

how a whole amount is split into parts