Explain what disqualifies psychic prediction from being scientific.

1st part.

Explain what disqualifies psychic prediction from being scientific.
You may use the Internet, textbook, etc. to find information – but please explain or summarize in your own words. (100 – 150 words).

2nd part.

Consider the following question: How many ways can you think of to prove to a member of the “Flat Earth Society” that our planet is, indeed, round? (150 – 200 words).