Vocabulary
What is a hypothesis?
An educated guess
What is the first step in the Scientific Method?
Question
What was Galileo's New Truth
All objects will fall at the same rate, regardless of weight, if there is no air resistance.
What was the constant variable in our lab?
Dropping the sugar cube into 200 mL of water
What are data?
Results of the experiment
What is the second step in the scientific method?
Hypothesis
What is the control in an investigation?
The independent variable before it has been changed.
Answers vary. Water temperature, stirring or no stirring
What is a procedure?
Step-by-step instructions and materials
What is the third step in the scientific method?
Procedure
Why is it necessary to have a procedure for your experiment?
Help other scientists understand how you got your data, help other scientists analyze your date, and help other scientists check your data for errors
How quickly the sugar cube would dissolve in the water.
What is a variable?
Part of an experiment that can change
What is the fourth step in the scientific method?
Data
What is pathological science?
When scientists come to the wrong conclusion after holding on to a hypothesis too long or too hard.
Why did the hot water make the sugar cube dissolve faster?
The heat in the water is energy and acted as a fuel for the chemical reaction (the sugar cube dissolving).
What are conclusions?
Summaries of what you learned in an experiment
What is the last step in the scientific method?
Conclusions
What are the three kinds of variables?
Independent, dependent, and constant
Why did stirring make the sugar cube dissolve faster?
The stirring produced energy which fueled the chemical reaction (the sugar cube dissolving)