MCAS Grade 8 Science Practice Questions - MCAS Grade 8 Science And Technology Engineering Test Exam

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Students designed several sets of stairs, all 100 cm tall, to help a small dog climb onto a sofa. The most important purpose is that the dog can safely climb each step. Which criterion is MOST important for evaluating the designs?

having a small enough height between steps for the dog to climb being made from the lightest possible material being able to hold the greatest possible mass being built from the strongest available material

Correct Answer:

having a small enough height between steps for the dog to climb

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