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Match it!
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a factor that the scientist changes
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
What is an inference?
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
data that is collected using the senses
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
a factor that is measured by the scientist
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
Billy wants to find out if Shout stain remover works better than Oxi-Clean stain remover. If she conducted an experiment, all of the following variables would need to stay the same EXCEPT:
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
an expected outcome of an experiment; written as an “if…then” statement
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
measurable data that is collected using instruments
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
Kristy claims that “Bright White Toothpaste” removes tooth enamel stains better than all other brands. Which of the following should be considered evidence to support his claim?
independent variable
quantitative observations
The type of stain remover
hypothesis
an observation combined with prior knowledge
dependent variable
qualitative observations
The shade of teeth before and after brushing
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