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Questions and Answers
What is the foundation of science?
What is the foundation of science?
Scientific theory
Which of the following correctly describes a hypothesis?
Which of the following correctly describes a hypothesis?
- A governing law that describes observations
- A summary of unrelated observations
- A proven fact
- An educated guess based on observation (correct)
A theory can be proven to be true.
A theory can be proven to be true.
False (B)
What does a scientific law do?
What does a scientific law do?
What is the key difference between a theory and a law?
What is the key difference between a theory and a law?
What does the Big Bang Theory attempt to explain?
What does the Big Bang Theory attempt to explain?
What is a singularity?
What is a singularity?
How can we conceptualize the Big Bang's expansion?
How can we conceptualize the Big Bang's expansion?
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Study Notes
The Scientific Method
- The scientific method is an iterative process that starts with an observation.
- A hypothesis is an educated guess based on an observation and can be supported or rejected through experimentation or further observation.
- A scientific theory summarizes a hypothesis (or group of hypotheses) which explains a set of observations and is supported by repeated testing.
- A law governs a body of observations that have no exceptions.
- A law describes observations, but does not explain why they occur.
- A theory explains why things happen, while a law describes how they happen.
The Big Bang
- The Big Bang Theory is the leading theory of the origin of the universe.
- The Big Bang event created space, time, and the Universe from a 'singularity.'
- A singularity is a point of infinite density and gravity where the laws of physics break down.
- The Universe is constantly expanding from this initial event, which is not an explosion in the traditional sense.
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