1
Give an example of a controlled experiment. Then identify the independent, defendant, and controlled variables.
Will the amount of coffee beans affect the taste of coffee?
I: amount of beans
D: taste
C: type of coffee, water, time, device/machine
What is the best way to organize and record your results and observations?
Data table/ visual
What is the difference in qualitative and quantitive data?
Qual- characteristics
Quant- numbers
A factor in an experiment that can change is a ______
variable
Why do you repeat experiments?
to create valid answers
When you decide whether or not the data supports your original hypothesis, you are _______________.
Drawing a conclusion
What is the control group?
The group that isn't receiving the changed variable used to compare.
how should you heat a test tube?
Away from you
What are you doing when you are analyzing data?
examining and interpreting the information into an answer
Scientists make predictions based on...
Background knowledge and research
What is the best way to reduce bias in an experiment?
Repeat steps 1
What are the steps in the scientific method?
Question, Research, Hypothesis, Experiment, Observe (Collect data or analyze), conclusion, communicate.
Why is it important to have a controlled experiment?
So you can make sure your conclusion is directly tied back to the one factor that was changed.