Chemistry in Context| Essential Ideas| Chemistry| Openstax| Problem 2

Identify each of the following statements as being most similar to a hypothesis, a law, or a theory. Explain your reasoning.
(a) Falling barometric pressure precedes the onset of bad weather.
(b) All life on earth has evolved from a common, primitive organism through the process of natural selection.
(c) My truck’s gas mileage has dropped significantly, probably because it’s due for a tune-up.

Solution:

Part a

Law, because it states a consistently observed phenomenon and it can be used for prediction.

Part b

Theory, because it is a widely accepted explanation of the origin of species.

Part c

Hypothesis, it is a tentative explanation and it can be investigated by experimentation.

 

 

Do you need help with your studies? Engineering-math.org is here to help you succeed in your academic endeavors. We offer online tutoring, homework help. project assistance, lab report writing, and online course help. Send an email to enggmathem@gmail.com.

Advertisements