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8th Grade Science Final Exam Review: Scientific Method Flashcards | StudBud
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8th Grade Science Final Exam Review: Scientific Method
8th Grade Science Final Exam Review: Scientific Method
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A #science #review #ScientificMethod #8thGrade
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Questions
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Answers
1
I am the variable that is purposely changed in an experiment... what am I?
Independent
Optional
Factor
Dependent
2
To design an experiment you need to control_______, or factors that may change in an experiment
the results
the hypothesis
the variables
the controls
3
What is "a possible explanation for a set of observations/answer to a scientific question?"
hypothesis
hypotenuse
hypocrite
hyperbole
4
A hypothesis must be:
long
short
testable
obvious
5
An attempt to explain experimental results is an:
observation
interesting question
inference
educated guess
6
Why control variables?
to know what other variables are also being controlled
to know which variable is responsible for certain changes
to answer the hypothesis
to make more work for students
7
When scientists achieve the same results in specific circumstances they arrive at
a scientific law
a theory
8
When a hypothesis makes consistent predictions it can become a theory.
True
False
9
What must scientists construct before formulating a hypothesis but after making observations?
A question that answers your hypothesis correctly
A question that produces a quantifiable answer
An answer to your identified problem
10
After formulating a hypothesis, what is your next step in the scientific method?
Identify the problem
Create another hypothesis
Design an experiment
Record observations
11
This theory explains observations like why ice melts at a particular temp and why nails rust.
The theory of quantum physics
The conservation theory
The atomic theory
The theory of evolution
12
Scientific vs. Opinion Questions: Choose which of the following is a scientific question.
Which iphone should I buy?
Why has my ipod stopped working?
What kind of music should I listen to on my ipod?
What is the best color iphone?
13
How many variables are manipulated at a time in a "Controlled Experiment?"
1
3
4
2
14
What is the control variable in an experiment?
factor which could change b/c of the independent variable
factor which challenges the solution
factor which could change the hypothesis
factor which changes the independent variable
15
A scientific theory describes an observable phenomena.
True
False
16
A scientific law explains how something works.
True
False
17
Which is not an example of a kind of observation?
Question
Feel
Taste
Smell
