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WorksheetsChapter 1 Review
Total questions: 21
Worksheet time: 41mins
Which of the following best describes the sample sizes of a well designed medical study?
a large control group and a large experimental group
a large control group and a small experimental group
a small control group and a large experimental group
a small control group and a small experimental group
All of the following is used to describe Science EXCEPT:
Science is a way of knowing.
Science is a process.
Science includes the study of supernatural events.
Science refers to the body of knowledge that scientists have gathered over the years.
In terms of scientific methodology, the purpose of an experiment is to:
form a hypothesis
prove a theory
form a conclusion
test a hypothesis
Scientific investigations typically begin with:
testing a hypothesis
forming a hypothesis
making observations
analyzing data
An example of qualitative data is:
the number of students with red hair in your school
people's descriptions of the fair's fireworks
the amount of mold on an old slice of bread
how much lake water has lowered over the summer
Which of the following statements about a controlled experiment is true?
All the variables must be kept the same
Only one variable is tested at a time
All hypothesis can be tested by setting up a controlled experiment
Controlled experiments cannot be be performed on living things
To be useful in science, a hypothesis must be
measurable
observable
testable
correct
The purpose of peer review in science is to ensure that
all scientific research is funded
the results of the experiment are correct
all scientist results are published
published results meet standards set by the scientific community
A scientific theory is
the same as a hypothesis
a well tested explanation that unifies a broad range of observations
the same as the conclusion of an experiment
the first step in a controlled experiment
To ensure that a scientific work is free from bias and meets standards set by the scientific community, a research group's work is peer reviewed by
other scientists
the general public
the researchers' friends
lawmakers
Which if the following is NOT an attitude that scientists need?
bias
skepticism
creativity
open-mindedness
A bird watcher sees an unusual bird at a feeder. He takes careful notes on the birds color, shape and other physical features and then goes to a reference book to see if he can identify the species. What part of scientific thinking is most apparent in this situation?
observation
inference
hypothesis formation
controlled experimentation
_____________ is/are an organized way of gathering and analyzing evidence about the natural world.
Observation
Science
Hypothesis
Experimentation
_________________ is a process of noticing and describing events or processes in a careful, orderly way.
Science
Observation
Hypothesis formation
Experimentation
__________________is exposed to
the same conditions as the experimental group except for one independent variable
Variable
Control group
Experimental group
None of the above
The variable that can change in response to the independent variable is called the ______________________, or responding variable.
dependent variable
independent variable
controlled variable
none of the above
Collecting, recording, and analyzing ___________, or information gathered during the experiment.
data
friend's opinions
government opinions
newspaper articles
