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Scientific Method
Test Description: Review for Scientific Method, Data Analysis, Information sources, and Metric Measurement.
Instructions: Answer all questions to get your test result.
1) The appropriate metric unit used to measure the mass of an ant would be:
A
Milligram
B
Millimeter
C
Milliliter
2) An example of qualitative data would be:
A
45 liters
B
6.7 centimeters
C
yellow flowers
D
10 degrees Celsius
3) The word that is synonymous with optimum would be:
A
negative
B
slowest
C
average
D
best
4) Metric base unit that is used to measure volume.
A
Meter
B
Gram
C
Liter
D
Degrees Celsius
5) Which of the following is an inference?
A
The dog growled because it was afraid.
B
The snake is 15 cm in length.
C
The fruit weighs 48 grams.
D
It is raining outside.
6) The difference between a hypothesis and a theory is that
A
the hypothesis doesn't have as much experimental support as a theory does.
B
a theory is proven to be true but a hypothesis is still being tested.
C
a hypothesis is based on observation and a theory is based on inference.
D
the hypothesis can be tested but a theory can't.
7) If yellow light bulbs are used, fewer bugs will be attracted to the porch. What is the independent variable?
A
This has no independent variable.
B
The yellow light bulb.
C
The amount of bugs attracted.
D
The porch.
8) Three plots of corn are planted. Plot A gets 10 lbs of fertilizer, plot B gets 15 lbs of fertilizer. If plot C is the control, how much fertilizer should it receive?
A
20 pounds because it is the next amount in the trend.
B
50% organic fertilizer and 50% artificial fertilizer.
C
Zero pounds because it is a control group.
D
Plot C gets the same amount as plot A but spread out over several weeks.
9) In order to collect valid data, scientists use the most accurate equipment available and large sample groups. What does valid mean?
A
metric
B
good
C
qualitative
D
quantitative
10) The range for this set of data (20, 14, 47. 44) is:
A
31
B
125
C
27
D
61
11) The mean average for this set of data (20, 14, 47, 44) is
A
27
B
61
C
31
D
125
12) If Miss Liffick is searching for information about the risk of getting rabies in Louisa County, the best source of information would most likely be:
A
A conversation with her health care provider about a rabies vaccine.
B
A search for the number of local cases of rabies at the Louisa County Health Department.
C
A page in Wikipedia on how the disease is spread from animals to humans.
D
An article in National Geographic about the Ebola outbreak in Africa.
13) Quantitative data is more valid than qualitative data.
A
True
B
False
14) The importance of a control in an experiment is that it provides:
A
an alternative explanation for the data.
B
a comparison group to see if the independent variable had any effect.
C
a dependent variable to be collected.
D
a new variable to be tested.
15) Mrs. J tests the effect of light on the growth of radish seeds. She places 50 seeds in a dark petri dish and 50 seeds in a clear petri dish. She waters each dish with 10 ml of water and places them in the window for 48 hours. ID a constant.
A
The clear petri dish.
B
The dark petri dish.
C
The amount of seeds in each dish.
*select an answer for all questions
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