Apologia General Science: Module 2

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13 terms

counter example

an example that contradicts a conclusion

hypothesis

an educated guess that attempts to explain an observation or answer a question

theory

a hypothesis that has been tested with a significant amount of data

scientific law

a theory that has been tested by and is consistent with generations of data

When someone tells you that "science has proven" something, what should you say.

Science can never prove anything. List scientific theories and laws you have learned so far that have been demonstrated false in light of new data

Does scientific theory make sense?

No, it does not. Look at experiments 2.1 and 2.2

A feather and a penny are dropped from the top of a building. Which will hit the ground first?

The penny. All things fall at the same rate is only true when there is no air. Air resistance will slow down the feather more than the penny.

A feather and a penny are dropped down a long tube that has no air in it. Which will hit the bottom of the tube first?

Neither. Both fall at the same rate, since there is no air.

What does it take to destroy a scientific law?

one counter example.

name in order the steps of scientic method

Make observation, form a hypothesis, preform experiments to confirm hypothesis, hypothesis is now a theory, perform many experiments over several years, theory is now a law.

If a hypothesis does not agree with an experiment what are your two choices?

discard hypothesis or modify it to become consistent with data

Why was the theory of superconductors so startling to scientists?

a generally accepted scientific theory said it was impossible to have high temperature superconductors

what are the three limitations of science?

It cannot prove anything, it is not 100% reliable, it must conform to the scientific method

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