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Scientific method
Scientific method
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living Environment -9
Flashcards
15 cards
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Answers
1
Compares the results of an experiment between two (or more) groups
testing
experiment
controlled experiment
2
Independent variable
What you change- variable that affects the outcome
What you measure-results from the change
a conclusion
3
critical part of experimentation, must be repeatable others must be able to redo the experiment
control
hypothesis
testing
theory
4
What is not an advantage to a large sample size in an experiment
more expensive
increased validity
more accurate
more representative of an entire population
5
the act of noting and recording something with senses- hearing, sight,smell, touch, taste & e
experiment
testing
observation
record keeping
6
two groups in an experiment
control and experimental
quantitative and qualitative
independent and dependent
7
These are common steps that scientist use to gather information and answer questions.
Testing
Observation
Scientific method
Hypothesis
8
independent variable
neither a or b
Both a or b
the independent variable is always plotted on the x axis
Variable that is being tested.
9
which is not part of writing a good hypothesis
phrase it as a statement
state both cause and effect
use an if then statement
phrase it as a question
10
A conclusion based on observation or evidence
inference
hypothesis
observation
theory
11
A broad explanation of natural events that is supported by strong evidence
hypothesis
theory
inference
12
In a control group...
one condition is being tested
is what you change in the experiment
all conditions the same no variable -standard of comparison
13
common steps that scientists use to gather information and answer questions
measurement
investigation
data group
scientific method
14
Which hypothesis is written incorrectly
The fertilizer will affect plant growth.in
If I give patients this pill, then they will get better
The fertilizer will increase plant growth
15
A hypothesis is
none of the above
a possible explanation
both of the above
must be able to be tested
