Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
6 Cards in this Set
- Front
- Back
|
What is the Continental Divide?
|
An imaginary line that goes north and south along the highest points on the Rocky Mountains with rivers going east and west.
|
|
|
What is a Time Zone?
|
Region where people use the same clock time. 25 zones on earth. U.S. has 6 zones: Eastern, Central, Mountain, Pacific, and Alaska time zone, Hawaii/ Aleutian time zone.
|
|
|
What is a timberline?
|
On a mountain where the elevation above which the temperatures are too low for trees to grow.
|
|
|
What is barrier?
|
Something that blocks the way and makes it hard to move from place to place such as the Rockies were a barrier to westward travel because they were steep and covered with snow.
|
|
|
What is the transcontinental Railroad?
|
A railroad that crossed the American continent from the Atlantic to the Pacific. Started in 1857 and allowed people to have transportation across the U.S.
|
|
|
What is Hydroelectricity?
|
Electricity produced by water power.
Grand Coulee Dam in Washington produces the most electricity. |
