Evaluating Scientific Explanations — Unit test Answers
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A
a row in which no fertilizer is usedB
a row in which 12 grams of fertilizer are usedC
a column that shows how the dependent variable changesD
a column that shows how the independent variable changes22
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Which model is most likely used to predict a future event?
A
a model of a cellB
a model of MarsC
a model of weather systemsD
a model of prosthetic limbs23
Wanda and Marita are drinking bottles of water. Each girl sounds a different musical note by blowing across the top of her bottle.What is a good hypothesis that could lead to new experimentation?
A
It is more fun to play musical notes with carbonated water than with normal spring water.B
If the lid on a bottle is tightly closed, then blowing across the top of the bottle will not make a musical note.C
Blowing across the top of a bottle can make a musical note.D
If there is less water in the bottle, then the note played is lower because there is more air to move around.Did you find these answers helpful?
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