Mystery of the Megaflood Questions

“Mystery of the Megaflood” Questions

1.  Where did the name ‘scablands’ come from? (Hint: Pay attention when they’re in the helicopter.)

2.  Could the rivers and lakes that exist in the scablands have formed mysterious rock formations?

3.  The boulders scattered over the scablands are made from g______. The scientific name for them are e______.

4.  How did these giant boulders get to the scablands?

5.  Rivers and glaciers could not have formed the scablands because rivers were too ______and glaciers didn’t ______.

6.  What was the one feature that Brett walked over many times that ultimately helped him come up with his theory of how the scablands formed?

7.  Why didn’t other scientists believe Brett?

8.  Where did the water for Brett’s theory come from?

9.  The lake the glacier made was described as

10.  What did Pardee discover that make him come up with his theory that helped explain Brett’s theory?

11.  What caused the glacial lake to empty?

12.  Why are scientists in Iceland so interested in glacial movement and in what happened in Washington 10,000 years ago?

13.  What did scientists in a Minnesota lab create to help see what happened in Washington’s scablands?

14.  What does ‘scale independent’ mean? (Think about the model and the real scablands. How could the model show us what happened?)

15.  How were the giant potholes created?