WorksheetsBenchmark Review #9
Total questions: 10
Worksheet time: 17mins
What variable in an experiment is measured or observed?
For example: measuring the amount of mold on bread
Dependent variable
Operational Definition
Independent Variable
Control Variable
The thing that is being tested in an experiment is called:
independent variable
dependent variable
control
problem
An explanation or interpretation of an observation usually influenced by an individual's experiences is called a(an):
qualitative observation
inference
quantitative observation
hypothesis
The factors in a controlled experiment that remain the same such as same size pot, same amount of water, same kind of plant, etc. are called the:
variables
procedures
constants
data
What kind of observation is: The plant has grown 4 cm since yesterday.
Qualitative
Quantitative
Both
Neither
A pair of researchers are wanting to test the effect of carbon dioxide on the growth of plants. In this experiment, what is the independent/experimental variable?
the fertilizer
the amount of carbon dioxide
the number of leaves
the amount of oxygen
If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?
Procedure
Hypothesis
Question
Results
A pair of researchers are wanting to test the effect of carbon dioxide on the growth of plants. In this experiment, what is the independent/experimental variable?
the fertilizer
the amount of carbon dioxide
the number of leaves
the amount of oxygen
