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maw [93]
3 years ago
11

Juan designed an experiment to test what effect different substances would have on the freezing point of water. To test this, he

had
several different containers, each with a different substance that could be dissolved in water. In one container there was milk, in
another there was sugar, and in another there was salt. He added the same amount of water to each container, and he had a final
container with only water in it for a control. Then, he put each container in a large freezer, and checked them every hour.
Did Juan use the only design he could have used for this experiment?
A. No; there is more than one way to design an experiment for a testable question.
B. No: there is always an infinite number of
C. Yes, there is only one way to freeze a substance.
res; there
D.
Yes, there is only one way to design an experiment for a testable question.
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1 of 10 Answered
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Biology
1 answer:
s344n2d4d5 [400]3 years ago
4 0
Ignore this_____________
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Experimental setup

setup that is testing a hypothesis using a variable. In most cases only one variable should be tested at a time.

Control Setup

setup that is identical to the experimental setup, only it does not contain a variable.

Independent Variable

The one factor that is change by the person doing the experiment

Dependent Variable

The factor which is measured in the experiment

Constant

all the factor that stay the same in an experiment.

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