MULTIPLE CHOICE SECTION INSTRUCTIONS: Read all instructions carefully. Please answer all questions. Each question is worth 1 point. The Multiple Choice section is worth 25 points.
**Do not enter your answers here.** Type in the letter you select as the best answer on the Answer Sheet provided by your instructor.
1. In the scientific method, a hypothesis ____________.
A) is a statement of fact
B) is a proposed explanation based on observations
C) is usually proven to be correct
D) can only be tested once
E) all of the above
2. What is the correct sequence of steps in the scientific method?
State the problem
Analyze and interpret the data
Develop a hypothesis
Share the results with other scientists
Design and perform an experiment to test the hypothesis
A) I > II > III > IV > V
B) III > I > V > II > IV
C) V > IV > III > II > I
D) I > III > V > II > IV
E) V > II > I > III > IV
3. To test a hypothesis about a given variable, experimental and control groups are tested in parallel. Which of the following best explains the dual experiments?
A) In the experimental group, a chosen variable is altered in a known way. In the control group, that chosen variable is not altered so a comparison can be made.
B) In the control group, a chosen variable is altered in a known way. In the experimental group, that chosen variable is not altered so a comparison can be made.
C) In the experimental group, a chosen variable plus all other variables are altered. In the control group, the chosen variable is altered; however, all other variables are held constant.
D) In the experimental and control groups, two different variables are altered.
E) Experimental and control group experiments are identical and run in parallel to get repeatable results.
4. The control groups and experimental groups in an experiment differ by __________ variables?
A) 1
B) 2
C) 3
D) 4
5. You have formulated a hypothesis that light is necessary for plant growth.
To test your…