Chapter 1 Flashcards
The Study of Life
What is the first step of the scientific method?
Observation
True or False: A hypothesis is a testable prediction.
True
Fill in the blank: The _____ is a statement that can be tested through experiments.
hypothesis
What is the purpose of conducting experiments in the scientific method?
To test the hypothesis
What do we call the factor that is changed in an experiment?
Independent variable
What is measured in an experiment called?
Dependent variable
True or False: A control group is exposed to the same conditions as the experimental group.
False
What is the final step of the scientific method?
Conclusion
What do scientists do after they analyze their data?
They draw conclusions.
Multiple Choice: Which of the following is NOT a step in the scientific method? A) Hypothesis B) Experiment C) Assumption D) Conclusion
C) Assumption
What is a theory in the context of the scientific method?
A well-substantiated explanation of an aspect of the natural world.
Fill in the blank: A _____ is a proposed explanation made on the basis of limited evidence.
hypothesis
True or False: The scientific method is a linear process.
False
What is the role of peer review in the scientific method?
To evaluate the validity and reliability of research findings.
What is an observation?
The act of noting and recording something with instruments or senses.
What does it mean to replicate an experiment?
To repeat the experiment to verify results.
What is a null hypothesis?
A statement that there is no effect or no difference.
Multiple Choice: Which step comes after forming a hypothesis? A) Conclusion B) Experimentation C) Observation D) Theory
B) Experimentation
What is the importance of having a control group in an experiment?
It allows for comparison to see the effect of the independent variable.
Fill in the blank: The _____ variable is what the experimenter manipulates.
independent
What is the significance of data analysis in the scientific method?
To interpret the results and determine if the hypothesis is supported.
True or False: All scientific methods must follow the same steps in the same order.
False
What is a scientific law?
A statement based on repeated experimental observations that describes some aspects of the universe.
What is the difference between qualitative and quantitative data?
Qualitative data describes characteristics, while quantitative data involves numerical measurements.
