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Scientific Processes
Test Description: Answer the review questions on scientific processes.
Instructions: Answer all questions to get your test result.
1) In an experiment there should be only one
A
control
B
all of these are correct
C
dependent variable
D
independent variable
2) Which is not an observation?
A
The mouse has consumed 15mls of water.
B
The mouse is eating.
C
The mouse is hungry.
D
The mouse has grown 2cm.
3) Quantitative or Qualitative? There are 10 blue birds.
A
None of the above
B
Both
C
Qualitative
D
Quantitative
4) Quantitative or Qualitative? There are blue birds, red birds, and yellow birds.
A
Both
B
Qualitative
C
None of the above
D
Quantitative
5) In a scientific experiment, how many independent variables should be tested at the same time?
A
One
B
Two
C
Three or more
D
None
6) A student designed an experiment to test the effect of temperature on bacterial growth. He grew three identical cultures of E.coli in three identical incubators at different temperatures. What is the independent variable in this experiment?
A
Number of bacteria
B
Temperature
C
Reproduction rate
D
Length of the experiment
7) How would scientists show a comparison between variables?
A
Conclusion
B
Graph
C
Hypothesis
D
Inference
8) Three students measured the height of a lab table, each using a different meter stick. One student reported a height of 98cm, another reported a height of 99 cm and the last student reported a height of 56cm. What was probably the problem?
A
There is nothing wrong with these measurements.
B
One meter stick was metal and the other was wood.
C
The student didn't read the meter stick right.
D
One meter stick was constructed with nonstandard cm marks.
9) Quantitative or Qualitative? Rainbows are more beautiful after fall rainstorms than spring rainstorms.
A
Qualitative
B
Both
C
Quantitative
D
None of the above
10) Quantitative or Qualitative? There are 10 fuzzy puppies.
A
Both
B
Qualitative
C
Quantitative
D
None of the above
*select an answer for all questions
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