Test- Unit One Scientific Method
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• What is the part of an experiment that serves as a standard for a comparison.
A. Control group. Unit 1, concept 4 page 26.
3.Where does the dependent variable go on a graph?
B. The Y-axis. Unit 1, concept 4 page 27
• Using the graduated cylinder to the right, pick the accurate and precise measurement below.
B. 20.0 mL. Unit 1, concept 2 page 10
• What does P.A.S.S. stand for?
Pull, Aim, Squeeze, Sweep. Unit 1, concept 1 page 4.
• What is the average length of group A’s data?
27.175 cm. Unit 1, concept 2 page 10
• What is the average length of group B’s data?
25.8 cm. Unit 1, concept 2 page 10
• What groups data is more precise? Why?
Group A’s data is more precise because there numbers are all closer together than group B’s numbers. Unit 1, concept 2 page 10
• If the actual length of the notebook is 26.1 cm, which set of data is more accurate?
Group B because there numbers are closer to 26.1 cm. Unit 1, concept 2 page 10.
• What is the independent variable in this experiment?
The independent variable is how caffeine affects water fleas. Unit 1, concept 4 page 26.
• What is this object?
It is a Bunsen burner. It is a gas powered flame that is used to heat up chemicals. Unit 1, concept 1 page 5.