WorksheetsScientific Method
Total questions: 11
Worksheet time: 10mins
Name
Class
Date
1.
What is the first step of the Scientific Method?
a)
Make an Observation
b)
Form a Hypothesis
c)
Perform an Experiment
d)
Establish a Conclusion
2.
When can you establish a Conclusion?
a)
When your hypothesis is repeatedly confirmed through experimentation
b)
When you are done with your experiment
c)
When you finish making observations
d)
None of the above
3.
Which of the following is NOT a step in the Scientific Method?
a)
Ignore results that do not agree with your hypothesis
b)
Form a hypothesis based on your observations
c)
Perform an experiment to test your hypothesis
d)
Establish a conclusion based on your results
4.
Your hypothesis must be...
a)
Concise
b)
Testable
c)
Proven to be true
d)
Proven to be false
5.
What is the next step after your hypothesis is shown to be invalid?
a)
Discard results that do not fit your hypothesis
b)
Modify your experiment to get the results your want
c)
Revise your hypothesis
d)
All of the answers above
6.
How many times should you test your experiment?
a)
1 time
b)
2-3 times
c)
4-5 times
d)
Enough for you to obtain the same results multiple times
7.
Which of the following is a common source of nitrate and phosphate pollution?
a)
Fertilizer
b)
Sewage
c)
Sewage and fertilizer
d)
None of the above
8.
Which of the following is NOT an example of point-source water pollution?
a)
A wastewater drain from a chemical plant
b)
A drainage pipe from a sewage treatment plant
c)
Surface runoff from a farm
d)
All other answers provided
9.
Which of the following is NOT an example of point source water pollution?
a)
Bacteria decomposing dead algae
b)
Increases in phosphates and nitrates
c)
Algal blooms
d)
None of the above
10.
What percentage of North American lakes are considered to be eutrophic?
a)
About a third
b)
Almost half
c)
Nearly all
d)
None
11.
At what concentration of dissolved oxygen is water considered to be hypoxic?
a)
6-8 parts per million
b)
2-3 parts per million
c)
4-5 parts per million
d)
10-12 parts per million
100 %
