How does the friction between different surfaces and a rolling object affect the speed of the object? One way to explore this question is to use the scientific method. This method involves forming a hypothesis, conducting an experiment, collecting data, and drawing a conclusion. Using the scientific method helps us understand how things work and helps us answer questions, such as the one about friction and a rolling object.
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Verbal·Craft and Structure·Text Structure and Purpose
easyWhich choice best describes the main purpose of the text?
A
To criticize an experiment scientists conducted about friction and a rolling object
B
To explain one way to answer the question about friction and a rolling object
C
To summarize two sides of a scientific debate
D
To describe the career of a famous scientist