Scientists collect evidence, look for patterns in the evidence, and then test different ideas to explain these patterns. Only then do they put forth a theory. However, not every theory is accepted by other scientists.
As you read this passage, consider what Wegener was unable to prove to other scientists that caused them to reject his ideas at first.
Click to read Plate Tectonics—Proof That Wegener Was Right (PDF).
After reading the passage, write one to two sentences to answer each question in the box below.