Scientific Method (environmental science) Exam Test with Verified Answers
1. What are two essential characteristics of a a single variable is tested
good experiment? and a control is used
2. How do scientists usually test for one variable? scientists usually study
two groups or situations
at a time
3. How should experiments be designed? to input controllable or un-
controllable variables
4. The group that does not receive an experimen- control group
tal treatment is called the
5. The group that receives the experimental treat- experimental group
ment is called the
6. What do a control group and an experimental everything accepted the
group have in common? variables being tested
7. In the experiment discussed in the passage, phosphate
what is the variable?
8. The differences observed between control cause an effect
groups and experimental groups can help iden-
tify relationships.
9. What is the effect of using both a variable and to test the hypothesis
a control in an experiment?
10. In the example used in this passage, what that phosphate is the killer
would the students know if the mussels in the
experimental group died?
11. prediction a statement about the fu-
ture
12. data Results of the experiment
13. hypothesis A suggested solution to
the problem
1/2
1. What are two essential characteristics of a a single variable is tested
good experiment? and a control is used
2. How do scientists usually test for one variable? scientists usually study
two groups or situations
at a time
3. How should experiments be designed? to input controllable or un-
controllable variables
4. The group that does not receive an experimen- control group
tal treatment is called the
5. The group that receives the experimental treat- experimental group
ment is called the
6. What do a control group and an experimental everything accepted the
group have in common? variables being tested
7. In the experiment discussed in the passage, phosphate
what is the variable?
8. The differences observed between control cause an effect
groups and experimental groups can help iden-
tify relationships.
9. What is the effect of using both a variable and to test the hypothesis
a control in an experiment?
10. In the example used in this passage, what that phosphate is the killer
would the students know if the mussels in the
experimental group died?
11. prediction a statement about the fu-
ture
12. data Results of the experiment
13. hypothesis A suggested solution to
the problem
1/2
