For which of these questions could a testable hypothesis be developed? Check all that apply.Does the width of a rubber band affect how far it will stretch?How does the thickness of a material affect insulation?Which of Nikola Tesla’s inventions was the coolest?Do all objects fall to the ground at the same speed?Which laboratory experiment is the most fun?
Answer
A
Does the width of a rubber band affect how far it will stretch?
B
How does the thickness of a material affect insulation?
C
Which of Nikola Tesla’s inventions was the coolest?
D
Do all objects fall to the ground at the same speed?
E
Which laboratory experiment is the most fun?
Explanation
A testable hypothesis makes a prediction that can be checked through observation or measurement. Rubber-band width and stretch distance can be measured, as can material thickness and insulation; objects’ falling speeds can also be compared in a controlled test. “Coolest” and “most fun” are subjective judgments, so those questions do not have results that can be tested objectively.
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