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5%
Greatest amount of error?
Scientific method
A series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions.
Steps of the scientific method
Make an observation and pose a question
form a hypothesis
make a prediction
design an experiment
analyze data/ draw a conclusion
Null hypothesis
0
No
Can u use proven in the hypothesis?
reject/support
What are some good words to use in a hypothesis
hypothesis
a proposed explanation for an observation of the natural world functions
IF Then Statement
If the IV is changed. then the DV will change however this way bc
Prediction
a statement that forecasts what would happen if the hypothesis were true; recorded for each hypothesis
Experiment
used to test hypothesis by gathering data
control group
the normal group/not affected (standard for comparison)
Experimental group
same as the control but one factor is changed
controlled experiments
Control group and experimental group
Variable
A factor that can change in an experiment
Independent variable
manipulated affects the DV; added to the experimental group to compare to the control group (CHANGED)
Independent variables
ex: levels of water and milk
dependent variable
responding variable; measured/counted
quantitative data
numerical data (using instruments)
qualitative data
data gathered through senses
inferences
A conclusion reached on the basis of evidence and reasoning (facts0
bias
making a judgement based on prior knowledge
scientific theory
a well-tested concept that explains a wide range of observations acquired thoruhg the scientific method and is repeatedly tested/confirmed; pref using a written, pre defined, protocol of obvs and experiments