Name: 
 

SCIENTIFIC METHOD PRACTICE TEST-LIFE SCIENCE-A



True/False
Indicate whether the statement is true or false.
 

 1. 

In a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the manipulated variable.
 

 2. 

A model is a good way for scientists to look for patterns or trends in data.
 

 3. 

Watching the behavior of a Praying Mantis as it feeds is an example of observation..
 

 4. 

Counting ten bikes on a bike rack is an example of a qualitative observation.
 

 5. 

Thinking and questioning is the start of the scientific inquiry process.
 

Matching
Match the letter of the correct term with each description
 
 
a.
scientific inquiry
f.
variable
b.
control
g.
investigation
c.
data
h.
Classifying
d.
predicting
i.
scale model
e.
hypothesis
j.
inferring
 

 6. 

shows the proportions between its parts
 

 7. 

occurs when one interprets what they have observed
 

 8. 

used to compare against the experimental group
 

 9. 

facts, figures and other evidence gathered through observations
 

 10. 

a possible explanation for an observed event
 

 11. 

diverse ways that scientists investigate the world and propose explanations
 

 12. 

making a forcast of what will happen in the future
 

 13. 

one of two methods used to test a hypothesis
 

 14. 

process of grouping together items that are similar
 

 15. 

a change made in a controlled experiment
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 16. 

Grocery stores organize food according to food type—dairy, frozen, bakery, and so on. This is an example of
a.
observation.
b.
inferences.
c.
classifying.
d.
posing questions.
 

 17. 

The setup in an experiment that is exactly like the control group except one factor is changed is the ____________________.
a.
hypothesis
c.
control group
b.
salt
d.
experimental group
 

 18. 

Scientists can communicate their results
a.
by exchanging information on the Internet.
b.
at scientific meetings.
c.
in scientific journals.
d.
all of the above
 

 19. 

Observations that deal with a number or amount are called
a.
quantitative observations.
b.
manipulated observations.
c.
qualitative observations.
d.
operational observations.
 

 20. 

Making a forecast of what will happen in the future based on past experience or evidence is called
a.
predicting.
b.
observing.
c.
inferring.
d.
classifying.
 

 21. 

Explaining or interpreting the things you observe based on reasoning from what you already know is called
a.
observing.
b.
inferring.
c.
predicting.
d.
classifying.
 

 22. 

Counting the number of cookies on a plate is a(n)
a.
hypothesis.
b.
qualitative observation.
c.
quantitative observation.
d.
inference.
 

 23. 

Noticing that sugar tastes sweet is a(n)
a.
inference.
b.
quantitative observation.
c.
hypothesis.
d.
qualitative observation.
 

 24. 

Using one or more of your senses to gather information is called
a.
predicting.
b.
inferring.
c.
classifying.
d.
observing.
 

 25. 

Consider the following statement, “I think heat is the factor that controls the bounce height of a basketball.”. This is an example of which one of the following?
a.
Hypothesis
d.
Statement of the Problem or Question
b.
Experiement
e.
Conclusion
c.
Investigation
 

 26. 

A setup without a variable to compare the results with the experiment setup that contains a variable is the _______________.
a.
variable
c.
hypothesis
b.
salt
d.
control group
 

 27. 

A representation of an animal cell in which all of the parts are shown in the proper proportions is an example of a(n)
a.
scale model.
b.
inference.
c.
observation.
d.
operational definition.
 

 28. 

Observations that deal with descriptions that cannot be expressed in numbers are called
a.
manipulated observations.
b.
operational observations.
c.
quantitative observations.
d.
qualitative observations.
 

 29. 

A controlled experiment has the following key parts.
a.
A control groujp and experimental group
c.
A variable and statement
b.
A factor and a  test
d.
An experimental group and hypothesis
 

 30. 

The factor being tested in an experiment is the _____________
a.
hypothesis
c.
control
b.
salt
d.
variable
 



 
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