What is the best description of the Big Bang? A a massive explosion that created everything in the universe B two planets collided creating the Sun and other planets C a rapid expansion of a densely-packed, small area that expanded into the universe that we know today D an explanation of how the universe is expanding and how big it is 5 What is the main purpose of the passage? A to point out that goalf scientific evidence supports the Big Bang Theory B to prove that the Big Bang never happened C to explain why scientists continue to search for evidence of the Big Bang

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What is the best description of the Big Bang? A a massive explosion that created everything in the universe B two planets collided creating the Sun and other planets C a rapid expansion of a densely-packed, small area that expanded into the universe that we know today D an explanation of how the universe is expanding and how big it is 5 What is the main purpose of the passage? A to point out that goalf scientific evidence supports the Big Bang Theory B to prove that the Big Bang never happened C to explain why scientists continue to search for evidence of the Big Bang

Answer 1

## Step 1The first question asks for the best description of the Big Bang. The Big Bang is a cosmological model that explains the origin of the universe. It is not a simple explosion, but a rapid expansion of a densely packed, small area that expanded into the universe we know today. This is best described by option C.## Step 2The second question asks for the main purpose of the passage. The passage is about the Big Bang Theory, which is a scientific explanation for the origin of the universe. The main purpose of the passage is to explain the Big Bang Theory, which is best described by option A.

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