Scientific Processes Question Preview (ID: 7663)
Answer The Review Questions On Scientific Processes.
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In an experiment there should be only one
a) control
b) all of these are correct
c) independent variable
d) dependent variable
Which is not an observation?
a) The mouse is eating.
b) The mouse has consumed 15mls of water.
c) The mouse has grown 2cm.
d) The mouse is hungry.
Quantitative or Qualitative? There are 10 blue birds.
a) Quantitative
b) None of the above
c) Both
d) Qualitative
Quantitative or Qualitative? There are blue birds, red birds, and yellow birds.
a) Quantitative
b) None of the above
c) Both
d) Qualitative
In a scientific experiment, how many independent variables should be tested at the same time?
a) None
b) Three or more
c) Two
d) One
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) Length of the experiment
b) Reproduction rate
c) Temperature
d) Number of bacteria
How would scientists show a comparison between variables?
a) Hypothesis
b) Conclusion
c) Inference
d) Graph
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) The student didn't read the meter stick right.
b) One meter stick was metal and the other was wood.
c) One meter stick was constructed with nonstandard cm marks.
d) There is nothing wrong with these measurements.
Quantitative or Qualitative? Rainbows are more beautiful after fall rainstorms than spring rainstorms.
a) Quantitative
b) Qualitative
c) Both
d) None of the above
Quantitative or Qualitative? There are 10 fuzzy puppies.
a) Quantitative
b) Qualitative
c) Both
d) None of the above
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