Scientific Method Question Preview (ID: 60066)


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an expected outcome of an experiment; written as an “if…then” statement
a) hypothesis
b) variable
c) control
d) inference

data that is collected using the senses
a) quantitative observations
b) hypothesis
c) qualitative observations
d) inference

a factor that the scientist changes
a) independent variable
b) responding variable
c) hypothesis
d) experiment

measurable data that is collected using instruments
a) qualitative observation
b) hypothesis
c) dependent variable
d) quantitative observations

a factor that is measured by the scientist
a) dependent variable
b) independent variable
c) hypothesis
d) theory

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:
a) The size and material the clothing was made of
b) The type and size of the stain
c) The type of stain remover
d) none of the above

The statement, “Flex Tape is a super-strong, rubberized, waterproof tape that can patch, bond, seal and repair virtually everything” is an example of:
a) claim
b) evidence
c) reasonong
d) fact

All of the following are quantitative observations in a chemistry experiment EXCEPT for:
a) The wetland received 1 cm of rain
b) The temperature rose 15 degrees during the chemical reaction.
c) The mixture bubbled and fizzed when the chemicals were mixed.
d) Forty milliliters of Solution A was needed to start the experiment.

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?
a) The size of the tooth
b) the dental floss used
c) The type of toothbrush used to brush teeth
d) The shade of teeth before and after brushing

What is an inference?
a) an observation combined with prior knowledge
b) just observation
c) a guess with no knowledge
d) a type of experiment

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