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an expected outcome of an experiment; written as an “if…then” statement
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
What is an inference?
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
a factor that is measured by the scientist
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
The statement, “Flex Tape is a super-strong, rubberized, waterproof tape that can patch, bond, seal and repair virtually everything” is an example of:
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
All of the following are quantitative observations in a chemistry experiment EXCEPT for:
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
measurable data that is collected using instruments
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
a factor that the scientist changes
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
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?
quantitative observations
The shade of teeth before and after brushing
claim
hypothesis
an observation combined with prior knowledge
dependent variable
independent variable
The mixture bubbled and fizzed when the chemicals were mixed.
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