Scientific Method Quiz
See page one graph From the figure what is the mass of the plant at day 65? A. 65g B. 60g c. 70g d. 75 g
The correct answer is A. 65 g.
In an investigation on the effect of different types of exercises on breathing rate, which type of graph would be most appropriate for graphing the results? A. Bar Graph B. Circle Graph C. Scatter Plot D. Line Graph
The correct answer is A. Bar Graph
See Page 3 in your printed notes and answer the following question: From Figure 1-2 predict the mass of the plant at day 110 A. 80 g B. 70 g C. 100 g D. 90 g
The correct answer is A: 80 g
People were given four choices of ballpark food and their answers were calculated. 23% hotdogs, 16% pizza, 33% Nachos, 28% Cheeseburger, The percentages were graphed using a pie chart. A. Hypothesis B. Observation C Experiment D. Conclusion E. Problem F. Analysis
The correct answer is A: Analysis
The English physician Ronald Ross wants to try to find the cause of Malaria. Based on his observations, Dr. Ross suggested that the Anapheles mosequito might spread malaria from person to person. this suggestion was a(n): A. Hypothesis B. Theory C. Conclusion D. Prediction
The correct answer is A: Hypothesis
In an experiment testing the effect of magnetic field on the ability of plant seeds to sprout. Which type of graph would be most appropriate for graphing the percentages of seeds that sprout and do not sprout. A. Scatter Plot B. Circle Graph C. Line Graph D. The Bar Graph
The correct answer is B: Circle Graph
Scientific hypothesis are most often tested by the process of: A. Analyzing data B. Experimenting C. Communicating D. Inferring
The correct answer is B: Experimenting
A researcher is interested in the effects of nitrate and phosphate on plant growth and sets up an experiment in which groups of five plants are given 1, 2, and 3, grams of nitrate and 1,2, and 3 grams phosphate in all combinations over a period of one month. The reader measures the heightened weight at the end of the experiment. What is missing in this experimental design? A. Constraints B. A Dependent Variable C. A Control Group D. An Independent Variable
The correct answer is C. A Control Group
In an experiment testing the effect of loud noises on a person's reaction time, Sarah uses different volumes of a particular song when testing the time it takes a person to catch a falling ruler. The volume of the song is the : A. Dependent Variable B. Experimental Group C. Independent variable D. Control Group.
The correct answer is C: Independent Variable
Which best describes the difference between an observation and an inference? A. An observation is a conclusion; an inference is a hypothesis. B. You make an inference before you make observations. C. You can record an observation; an inference is an idea. D. An observation is based on evidence, an inference is not.
The correct answer is C: You can record an observation; an inference is an idea.
Which of the following correctly sequences the steps of the scientific method? a. question, observe, explain, design and conduct experiment, collect and analyze data, state results. b. form a hypothesis, observe, investigate a testable question, collect and analyze data, state results. c. observe, question, make a testable explanation, experiment, collect and analyze data, state findings d. design and conduct an investigation based on a testable question, form a hypothesis, collect data, state findings.
The correct answer is C: observe, question, make a testable explanation, experiment, collect and analyze data, state findings.
In an investigation on the effect of exercise on breathing rate, the breathing rate is the: A. control group B. Experimental Group C. Independent Variable D. Dependent Variable
The correct answer is D: Dependent Variable
A scientist noticed that in acidic pond water some salamanders developed with curved spines. this was an: a. hypothesis b. experiment c. inference d. observiation
The correct answer is D: observation
Janessa wanted to know how organic foods are different from regular food. Which step is this? A. Hypothesis B. Observation C Experiment D. Conclusion E. Problem F. Analysis
The correct answer is E: Problem
The warriors should beat the Tigers because the Warrior's offense and defense are ranked higher. Which step is this? A. Hypothesis B. Observation C Experiment D. Conclusion E. Problem F. Analysis
The correct answer is: A Hypothesis
Half of the clothes will be washed in the old detergent and half of the clothes will washed in the new detergent. Which step is this? A. Hypothesis B. Observation C Experiment D. Conclusion E. Problem F. Analysis
The correct answer is: C: Experiment
Based on the gathered data, the higher the temperature of water, the more frog eggs hatched and developed normally. Which step is this? A. Hypothesis B. Observation C Experiment D. Conclusion E. Problem F. Analysis
The correct answer is: D: Conclusion
A hypothesis is a: A. Testable possible explanation of an observation. B. Definite answer to a given problem. C. Concluding Statement D. Statement that has been proven by experiments.
The correct answer is A: Testable possible explanation of an observation.
The scientist observing the salamanders developing with curved spines in acidic pond water then wanted to determine what caused the curved spines. This was an: a. problem b. inference c. hypothesis d. experiment
The correct answer is A: problem
Two hundred students are wearing orange and black today. Which step is this? A. Hypothesis B. Observation C Experiment D. Conclusion E. Problem F. Analysis
The correct answer is B: Observation
A scientist is investigating a new drug that will cure the common cold. The scientist should give the _________ a sugar pill, rather than the drug. A. Independent Variable B. Dependent Variable C. Experimental group D. Control Group
The correct answer D: Control Group
In an experiment, the ______ group is used to test the effect of the independent variable. A. Dependent B. Control C. Constant D. Experimental
The correct answer D: Experimental