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DMS Scientific Method Flashcards | StudBud
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DMS Scientific Method
DMS Scientific Method
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Answers
1
Where on a graph do you look to find the dependent variable?
at the Y axis
at the X axis
in the title
in the key
2
Hypotheses are always supported by evidence.
False
True
3
Scientific laws are more developed and reliable ideas that hypotheses.
True
False
4
What appears to be the responding variable in this diagram?
cannot be determined from the picture
plant growth
both light and plant growth
light
5
Lizards are never seen in Antarctica so it must be too cold for them. This is a/an...
theory
inference
opinion
observation
6
You are investigating different fertilizers. The plants not receiving fertilizer....
not usually necessary
is the independent group
is the experimental group
is the control group
7
Problems should be...
stated as a question
easy to answer
an if...then statement
8
Pie graphs show data expressed as percents.
False
True
9
Which of the following would not be a qualitative observation?
shape
weight
color
texture
10
Quantitative observations are usually more specific than qualitative observations.
False
True
11
Experimental results reached by biased scientists...
are invalid
all of these are possible
are questionable
are not reliable
12
Control groups and experimental groups should be compared to one another.
True
False
13
The control group...
receives no treatment
should be the largest group
should be the smallest group
receives the independent variable
14
Assume that an experiment is performed correctly. You should consider the results...
valid
reliable
correct
all of these are correct
15
Controlled variables or constants are those factors in an experiment that...
are kept the same in all groups
do not affect the result
always affect the results
change from group to group
16
Which of the following words is usually found in an inference?
will
if...then
because
what
17
What is the dependent variable on this graph?
push ups
days of the week
cannot be determined from the picture
number of pushups
18
Fox footprints lead you to believe there are foxes in the area. This is...
an inference
a secondary source
a quantitative observation
a direct observation
19
The "I" in DRY-MIX corresponds to the word...
independent
investigation
initial
incident
20
Another name for the independent variable in the responding variable.
True
False
21
Opinion questions are appropriate for scientific investigations.
True
False
22
The independent variable is the factor being tested in an experiment.
True
False
23
Independent variables should be
left alone
graphed on the y axis
included in the title of the graph
graphed on the x axis
24
Another name for the dependent variable is the responding variable.
True
False
25
Which of the following is/are secondary sources of information?
facebook article
all of these
newscast
magazine article
26
Which of the following is required to change a scientific law?
all of these
new data
new discovery
new information
27
There can be more than one experimental group in valid experiment.
True
False
28
Which of the following will produce the most reliable result in an experiment?
a large sample size
a small sample size
having only one experimental group
having many experimental groups
29
Why do birds build nests? This is an example of a/an.... (Notice, it is a question!!)
dependent variable
hypothesis
problem or purpose
investigation
30
Why don't all people wear seat belts? This is...
inappropriate for investigation
easy to determine
answerable
appropriate for investigation
31
The independent variable is caused by the dependent variable.
True
False
32
Line graphs show
data over time
related data
unrelated data
percentages
33
There can be more than one independent variable in a valid experiment.
False
True
34
What appears to be the independent variable in this diagram?
light
cannot be determined from the picture
plant growth
plant growth and light
35
Primary information is more reliable than secondary information.
True
False
