Praxis 5442 Study guides, Class notes & Summaries
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![PRAXIS 5442 Middle School Science UPDATED Exam Questions and CORRECT Answers](/docpics/5572170/66630f2c7fa47_5572170_121_171.jpeg)
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PRAXIS 5442 Middle School Science UPDATED Exam Questions and CORRECT Answers
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1. Which of the following characteristics is most important in demonstrating that a hypothesis 
should be called a theory? 
a. It interprets an observation. 
b. It applies to a narrow range of phenomena. 
c. It summarizes the most recent work of a scientists. 
d. It provides an explanation for the results of many experiments. - ANS d. it provides an 
explanation for the results of many experiments.
![Middle School Science Praxis 5442 Exam Study Guide.](/docpics/5757949/66854b1fce649_5757949_121_171.jpeg)
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Middle School Science Praxis 5442 Exam Study Guide.
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Middle School Science Praxis 5442 Exam 
Study Guide. 
Matter - answerAnything that has mass and takes up space. 
John Dalton - answerProposed elements were made of atoms; this theory is the Atomic 
Theory of Matter. 
Sir Joseph John (J.J.) Thompson - answerDiscovered electrons; pictured electrons embedded 
with protons. 
Ernest Rutherford - answerAtoms have positive nucleus; electrons orbit in empty space. 
Sir James Chadwick - answerExistence of neutrons in the nucleus. 
Physical Property - ans...
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Praxis 5442 Test Preparation Questions and Answers
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Fact objective and verifiable 
 
Theory accepted knowledge y of relativity 
 
Hypothesis educated guess 
 
Praxis 5442: 
what makes a hypothesis? Answered: predictable outcome that can be repeated 
 
Law explanation of events 
 
model explain on a smaller scale 
 
Scientific Method Identify, Forumulate, Conduct, Observe, Draw (I form conclusions On Drawings) 
 
deka/deci 10 
 
hecto/centi 100 
 
kilo/milli 1000 
 
Praxis 5442: 
if 1 milimeter = 1 million years, how many centimeters are in 65 m...
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praxis 5442 Exam- Life Science | Questions Solved 100% Correct
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ell - ANSWER Basic unit of life 
Organelle - ANSWER Parts of a cell ("organ" of the cell system) 
Nucleus - ANSWER a membrane-bound organelle that contains the cell's 
chromosomes. Pores in the nuclear membrane allow for the passage of molecules in 
and out of the nucleus.
![Middle School Science Praxis 5442 Exam Study Guide.](/docpics/5757945/66854ae6ad5d2_5757945_121_171.jpeg)
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Middle School Science Praxis 5442 Exam Study Guide.
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Middle School Science Praxis 5442 Exam 
Study Guide. 
Substance - answermatter that has a uniform and definite composition 
mass - answerA measure of the amount of matter in an object 
physical property - answerof a substance is density 
density - answermass/volume 
physical properties of a substance - answercolor and odor, melting and boiling points, 
malleability and hardness 
chemical properties - answerCharacteristic that cannot be observed without altering the 
substance 
phases of matter -...
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praxis 5442 Middle School Science Exam Revision Questions with Correct Solutions
- Exam (elaborations) • 8 pages • 2024
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substance - ANSWER matter that has a uniform and definite composition 
mass - ANSWER A measure of the amount of matter in an object 
physical property - ANSWER of a substance is density 
density - ANSWER mass/volume 
physical properties of a substance - ANSWER color and odor, melting and boiling 
points, malleability and hardness
![Life Science Praxis 5442 Exam Study Guide.](/docpics/5757942/66854ae454e19_5757942_121_171.jpeg)
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Life Science Praxis 5442 Exam Study Guide.
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Life Science Praxis 5442 Exam Study Guide. 
Cell - answerBasic unit of life 
Organelle - answerParts of a cell ("organ" of the cell system) 
Nucleus - answera membrane-bound organelle that contains the cell's chromosomes. Pores in 
the nuclear membrane allow for the passage of molecules in and out of the nucleus. 
Mitochondria - answera double-membrane-bound organelle found in most eukaryotic 
organisms. Mitochondria generate most of the cell's supply of adenosine triphosphate, used as a 
so...
![Physical Science Praxis 5442 Exam Study Guide.](/docpics/5757955/66854b9a0e029_5757955_121_171.jpeg)
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Physical Science Praxis 5442 Exam Study Guide.
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Physical Science Praxis 5442 Exam Study 
Guide. 
Atomic Structure - answerAn atom is a complex arrangement of negatively charged electrons 
arranged in defined shells about a positively charged nucleus. This nucleus contains most of the 
atom's mass and is composed of protons and neutrons (except for common hydrogen which has 
only one proton). All atoms are roughly the same size 
Protons - answerPositively charged particles found within atomic nuclei 
Neutrons - answerA subatomic particle of a...
![PRAXIS 5442 Middle School Science Certification Exam Questions and CORRECT Answers](/docpics/5572118/66630e0e4ad50_5572118_121_171.jpeg)
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PRAXIS 5442 Middle School Science Certification Exam Questions and CORRECT Answers
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substance - ANS matter that has a uniform and definite composition 
mass - ANS A measure of the amount of matter in an object 
physical property - ANS of a substance is density 
density - ANS mass/volume 
physical properties of a substance - ANS color and odor, melting and boiling points, 
malleability and hardness
![Middle School Praxis 5442 Practice Questions and Complete Solutions](/docpics/5022102/661ee90544514_5022102_121_171.jpeg)
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Middle School Praxis 5442 Practice Questions and Complete Solutions
- Exam (elaborations) • 37 pages • 2024
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Which of the following characteristics is most important in demonstrating that a hypothesis should be called a theory? 
 
A.It interprets an observation. 
B.It applies to a narrow range of phenomena. 
C.It summarizes the most recent work of a scientist. 
D.It provides an explanation for the results of many experiments. It provides an explanation for the results of many experiments. 
 
A hypothesis is a tentative explanation for a set of observations. Further experiments are conducted to test the...
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