What is the purpose of the scientific method?
to solve a problem
What is a system?
what is being studied
What is a hypothesis?
testable statement
What is a model?
a representation of an object or system
How is a model like the real thing?
It could show the structure, of things that aren't normally observed
How is a model different than the real thing?
Could be larger, or made up of different substances
What is a theory?
a broad generalization that explains why something happens
How is a theory different from a hypothesis?
A theory has data to support it.
What is a control?
A factor that remains the same during an experiment. it doesn't change
What is a variable?
something that changes