How Science Works

Question 0

What must happen in order for an existing scientific theory to be modified or replaced with a new theory? (2)

Answer 0

• Theory makes predictions tested
• Peer reviewed
• Repeatable experiment

Question 1

What must be done to validate the predictions of an unconfirmed scientific theory? (2)

Answer 1

• Hypothesis needs to be tested by experiment

* Experiment must be repeatable