Theory vs Law Remediation

Which of the following best describes a scientific law?

• A well-substantiated explanation of some aspect of the natural world that is based on a body of evidence.

• A statement that describes an observable phenomenon that always occurs under certain conditions.

• A proposed explanation for a wide range of observations and experimental results.

• A tentative explanation for an observation or phenomenon that can be tested.

Tags

112.43.b.3

112.43.b.3.A

112.43.b.3.B

What is a scientific theory?

• A well-substantiated explanation of some aspect of the natural world that is based on a body of evidence.

• A statement that describes an observable phenomenon that always occurs under certain conditions.

• A proposed explanation for a wide range of observations and experimental results.

• A tentative explanation for an observation or phenomenon that can be tested.

Tags

112.43.b.3

112.43.b.3.A

112.43.b.3.B

What is the main difference between a scientific law and a scientific theory?

• Laws describe observations, while theories explain why those observations occur.

• Laws are based on evidence, while theories are based on speculation.

• Laws are proven to be true, while theories are still being tested.

• Laws are specific to certain fields, while theories apply to all scientific disciplines.

Tags

112.43.b.3

112.43.b.3.A

112.43.b.3.B

Which of the following statements is true?

• Scientific theories can be changed or modified if new evidence contradicts them

• Scientific theories are always proven to be true beyond any doubt.

• Scientific laws and theories are interchangeable terms with the same meaning.

• Scientific theories are less reliable than scientific laws.

Tags

112.43.b.3

112.43.b.3.A

112.43.b.3.B

At one point, people thought disease was caused by bad behavior. With the invention of the microscope came the discovery of bacteria. The Germ Theory was developed which states that disease results from microorganisms. Why did this change in belief occur? 

 

• It quickly became obvious that germs cause disease

• The person who invented the microscope became ill

• The proponents of the germ theory had political power

• New evidence prompted revision to the original ideas