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Scientific Method
Scientific Method
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A quiz over the Scientific Method and Si Unit Conversions.
Flashcards
25 cards
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Questions
25
Answers
1
The prefix kilo means
10
1/100
100
1000
2
Which group in an experiment receives the treatment?
Experimental Group
Control Group
3
How is a scientific law different from a scientific theory
True throughout the universe
Can't be broken
All of these
predicts but does not explain
4
A well tested and scientfically accepted explanation.
Fact
Scientific Law
Hypothesis
Theory
5
A hypothesis is a(n) _______ ______ based on _______________ and your knowledge.
funny, jokes
testable statement, observations
wild, supersitition
uneducated, news
6
To run a controlled experiment on how sleep affects student test scores, you must
vary the type of tests that you give students
vary the amount of sleep and food each group of students eat
vary amount of sleep and keep all other variables the same
7
A process that is used to find answers to questions about the world around us?
Scientific Method
Problem
Hypothesis
Guessing
8
A possible answer / a predicted outcome
hypothesis
variable
subjective
evaluating
9
Accuracy refers to how close the experimental values are to the accepted values
False
True
10
What is a Scientific Law?
statement about how things work in nature that are seemingly true
A law created by scientists on why something works in legislature
how you have to do something
the sun has the largest gravitational force in our solar system
11
The variable that is changed in an experiment.
Control
Independent variable (Manipulated)
Constants
Dependent variable (Responding)
12
What is the term for testing your hypothesis?
Experiment
Bingo
Observation
Variables
13
What is the unit used to measure mass in the SI system?
gram
celsius
liter
meter
14
What is the goal of Science?
To take over the word
To change the world
To understand the world
To destroy the world
15
A hypothesis must be ______________.
written in caps
a question
1000 words and double spaced
testable
16
The last step in the scientific method is ________________.
Make an Observation
Communicate and Repeat Experiment
Analyze Data
Experiment
17
What is the unit used for length in the SI system?
gram
meter
celsius
liter
18
Which variable is controlled by the experimenter?
Independent (Manipulated)
Dependent (Responding)
19
The gram (g) is best used to measure ...?
mass
Height or length
volume
density
20
What is the purpose of a controlled experiment?
To confuse students
To isolate and test only one variable
To make life difficult
To test mulitiple variables
21
3.4 ml is bigger then 3.4 cm
3
not a clue?
False 3.4 ml is bigger
False, they are equal
True
22
Experimental results can be very precise but not accurate.
False
True
23
When the experimental results are all very close to each other then this is an example of
good work
accuracy
precision
reliability
24
Why should an experiment be repeated?
to reduce the chance of error
to change controls
to identify the problem
to form a hypothesis
25
The variables that are kept the same through the experiment are called a(n) _____.
constants
manipulated variable
dependent variable
responding variable
