Science for the ATI TEAS, part 1
Scientific Reasoning
Physical Science
Biochemistry
ATI TEAS
OBJECTIVES FOR Science (31.3%, 63 minutes)
Life and
... [Show More] Physical Sciences
8 out of 150 questions, 5.3%
Physical and chemical properties of matter, including pH and state of matter – 2
(One or both had to do with water)
Atomic Structure – 2
Chemical reactions – 2
General Biology – 3 (Cell parts and their functions were 2 of the 3)
Biological Macromolecules (Carbohydrates, Lipids, and Proteins, including
enzymes and nucleic acids) - 2-3
Heredity - chromosomes, genes, DNA, Mendel's laws, Darwin’s Postulates - 4
Scientific Reasoning
7 out of 150 questions, 4.7%
Measurement and Lab tools - 2
Logically evaluate a scientific experiment or explanation – 1 (variables)
Identify relationships (correlation, cause-effect, etc.) among events in an
experiment – 3, 4
Human Anatomy and Physiology
32 out of 150 questions, 21.3%
General anatomy and physiology
Anatomy and physiology of each organ system, including some pathologies
a) Name & location – 11
b) Function - 19
Scientific Reasoning
1. What has caused medical knowledge to change over the last 2000 years? ______________________
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2. *List some observation tools used in science & give examples of what they are used to observe.
Include tools of measurement. ________________________________________________________
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3. *What is the difference between inductive and deductive reasoning? _________________________
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4. List and describe the essential parts of scientific investigations.
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b. ________________________________________________________________________
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d. ________________________________________________________________________
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e. ________________________________________________________________________
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f. ________________________________________________________________________
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5. Give examples of these terms as they are used in scientific discovery and experiments:
a. Dependent variable _____________________________________________________________
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b. Independent variable ____________________________________________________________
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c. Control _______________________________________________________________________
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d. Quantitative evaluation __________________________________________________________
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e. Qualitative evaluation ___________________________________________________________
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f. Hypothesis ____________________________________________________________________
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g. Theory _______________________________________________________________________
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h. Scientific Fact __________________________________________________________________
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i. Natural Law ____________________________________________________________________
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6. Suppose a researcher wants to find out if Vitamin C shortens the length of colds. He googled the
average number of colds a person gets per year and found that an adult gets an average of 3. Then
he polled each of his 150 Facebook friends to find out which ones took vitamin supplements. Twenty
responded positively, so he asked those 20 how many colds they had had in the past year. From his
results, he calculated that they averaged 2.5 colds per person. He concluded that vitamin C reduces
the number of colds a person would get.
A. What is the hypothesis? _______________________________________________________
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a. Is it testable? _____________________________________________________________
b. It is measurable? __________________________________________________________
B. What is the independent variable? ______________________________________________
C. What is the dependent variable? ________________________________________________
D. How is the control defined? ____________________________________________________
E. Are there any other variables? __________________________________________________
F. Can his conclusion predict a quantitative relationship between vitamin C and the number of
colds? _____________________________________________________________________
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G. List each of the ways this experiment was invalidated. _______________________________
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