Water everywhere Flashcards
(15 cards)
How much quarters or percent of the Earth is covered by water?
Nearly three quarters / 75 percent.
How much percent of all the water on Earth is salty?
About 97 percent.
Where are the salt come from?
Some of the salt has come from volcanoes under the sea.
……………… dissolve even more of the salt in rocks carry it down to the sea.
Rivers and streams
Can you named of fiver great oceans in the world?
- Pacific Ocean, 2. Atlantic Ocean, 3. Indian Ocean, 4. Arctic Ocean, 5. Southern Ocean.
What is the largest ocean in the world?
Pacific Ocean.
How much does Pacific Ocean covers of the Earth?
About one third of the Earth.
How much metres of the average depth does the Pacific Ocean have?
Over 4000 metres.
What is the largest of the world’s seas in the world?
South China Sea.
Where are freshwater come from?
Some freshwater is found in the form of ice, lakes, rivers and wells.
Where the ice are found?
Around the North and South Poles.
What is huge sheets called?
polar ice caps.
Where are the ice come from?
The tops of the high mountains.
The ice flows down the mountain like slow-moving rivers are called ………….
Glaciers.
How much percent of freshwater that we can use?
About 3 percent.