Physics I Final Exam Review

Which of these is a scientific hypothesis?

• a.Atoms are the smallest particles of matter.
• a.The universe is surrounded by a second universe, the existence of which cannot be detected by scientists.
• a.Albert Einstein was the greatest physicist of the 1900s.

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The science that is basic to the other sciences is

• physics.
• chemistry.
• biology
• astronomy

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The language of science is

• mathematics.
• nature.
• common language
• English

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For a hypothesis to be scientific, it must

• a.be in agreement with what we know is true.
• a.have a test for proving it right.
• a.have a test for proving it wrong.
• a.be based on an existing scientific theory.
  

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A hypothesis is

• the long side of a right triangle.
• an educated guess that has yet to be   proven by experiment.
• close agreement by competent observers of   observations of the same phenomena.
• a guess that has been tested over and over   again and always found to be true.

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A theory is

• a synthesis of a large collection of   information including well-tested guesses.
• an educated guess that has yet to be proven   by experiment.
• close agreement by competent observers of   observations of the same phenomena.
• a guess that has been tested over and over   again and always found to be true.

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Which of the following is a reason to express scientific findings mathematically?

• The findings become more difficult to   prove by experiment.
• The findings become easier to verify by   experiment.
• The findings become more confusing.
• The findings become less appealing to   the public.

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What is the Net Force?

• 5 N to the right
• 10 N to the right
• 15 N to the right
• 0 N

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moving at constant speed and in straight line motion

• Static Equilibrium
• Dynamic Equilibrium
• Weight
• Normal Force

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This is the upward force that balances the weight of an object on a surface

• Tension
• Normal
• Friction
• Weight