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;
22 Cards in this Set
- Front
- Back
|
Three main bodies of water are:
1 2 3 |
1 ocean/seas
2 lake 3 river |
|
|
Less than ___% of the earth's water source is fresh water.
|
3%
|
|
|
More than ____ of the earth's water is in ice caps and glaciers.
|
2/3
|
|
|
What is some of the important factors of our water source?
1 2 |
1. provides travel and trade
2. water source for humans, plants and animals |
|
|
The four principal ocean basins in the world:
1 2 3 4 |
1. Pacific
2. Atlantic 3. Indian 4. Artic |
|
|
The whole system of ocean basins is sometimes called the __ ____.
|
world ocean
|
|
|
What are some of the things the oceans provide for humans?
1 2 3 |
1. thermal energy
2. water for rain clouds 3. food and salt |
|
|
Rivers that "feed" other rivers are called ______.
|
tributaries
|
|
|
The main river and all of its tributaries are called a __ __.
|
river system
|
|
|
ager, agri
|
field, territory
|
|
|
How have rivers play a role in history?
|
Rivers were used as road for exploration, a place for settlements to start and provide water/food to settlers.
|
|
|
Bodies of water fully enclosed by land are called ____.
|
lakes
|
|
|
The ___ ____ of North America are the largest system of freshwater lakes in the world.
|
Great Lakes
|
|
|
The world's largest freshwater lake in the world is __ ____.
|
Lake Superior
|
|
|
__ ___ is the largest lake in South America.
|
Lake Titicaca
|
|
|
The largest lake in the world is the __ ___.
|
Caspian Sea
|
|
|
____ are arms of the ocean partially enclosed by land.
|
seas
|
|
|
A sheltered body of deep water next to the shore is called a ____.
|
harbor
|
|
|
______ are areas of stagnant water.
|
wetlands
|
|
|
___ are spongy areas that look dry but covered with wet organic matter.
|
Bogs
|
|
|
A ___ has visible standing water, with larges grasses growing among the water.
|
marsh
|
|
|
What is the difference between marshes and swamps.
|
Marshes are grasses and swamps have trees.
|
