EXAM #7 REVIEW

Question 1

What is the largest ocean?

Answer 1

Pacific ocean

Question 2

How are mountain ranges formed?

Answer 2

Earths tectonic plates smashing together

Question 3

What percent of water on earth is freshwater?

Answer 3

3%

Question 4

What is the radius of earths core?

Answer 4

1220km

Question 5

Where is most of the geosphere located?

Answer 5

Earths inferrer

Question 6

What is the layer above the stratosphere?

Answer 6

Mesosphere

Question 7

What is the farthest layer from earths surface?

Answer 7

Thermosphere

Question 8

In which layer of the atmosphere does almost all weather occur?

Answer 8

Troposphere

Question 9

How many molecules are in the ozone?

Answer 9

3

Question 10

What is the thinnest layer of earth?

Answer 10

Crust

Question 11

How do you measure a earthquake?

Answer 11

Richer scale

Question 12

What is the concentration of all the dissolved salts that water contains?

Answer 12

10,000ppm

Question 13

How much of earths mass is the mantle?

Answer 13

68%

Question 14

Earth is often called what?

Answer 14

Water planet

Question 15

What is an aquifer?

Answer 15

Underground formation that contains ground water

Question 16

What is a watershed?

Answer 16

Area of land that is drained by a river

Question 17

What river is the largest

Answer 17

Amazon

Question 18

What is a porosity

Answer 18

System system of pipes and tunnels

Question 19

Why does water need to be treated?

Answer 19

To make it potable (safe to drink)

Question 20

Industry uses how much water?

Answer 20

19%

Question 21

What are the three largest rivers in the world

Answer 21

Mississippi, nile, amazon

Question 22

How deep is the deepest well drilled into the ocean?

Answer 22

40,230 feet