Variables & Groups
the term for the factor that is changed in an experiment
What is independent variable?
the term for repeating an experiment to confirm its results
What is replication?
Statements made based on evidence and facts
What is an observation?
What is asking a question?
This is used to represent and explain complex systems or phenomena
What is a model?
the group called in an experiment that receives no experimental treatment and is used for comparison
What is the control group?
the first step a scientist should take in any scientific investigation
What is ask a question?
The type of statement is "The song of a mockingbird is prettier than the song of a cardinal"?
What is an opinion?
a testable statement or prediction about what will happen in an experiment
What is a hypothesis?
type of data is essential for scientific results to be considered valid
the type of variable if you change the amount of water given in an experiment testing the effect of light on plant growth
What is independent variable?
We must write down our ________ so other scientists can replicate and compare our work
What is experimental procedures?
type of statement is more useful for scientific investigations
What is observations?
An experiment must have a ________ question.
What is testable?
scientists can ensure that their experimental results are accurate
what is replication?
the variable you are measuring if you measure the height of plants as they grow under different light conditions
What is dependent variable?
If the results are based on evidence, then the experiment can be considered _______
What is valid?
The term for a logical conclusion based on observations
What is an inference?
The term for reviewing your data and comparing experimental groups.
What is analyzing your results?
We must write down our ________ so other scientists can replicate and compare our work
What is experimental procedures?
the group that is changed to see if it produces different results
What is text/experiment group?
to ensure that the results are reliable and to account for any variability you should have ________
What is multiple trials?
These should not be included in observations or inferences
What is an opinion?
to verify the results and ensure they are accurate and reliable an experiment must be _______
What is repeatable?
Reliable data should be _________ by other scientists
What is repeated?