Chapter 1

Question 1

How old is it estimated the Earth is?

Answer 1

4.5-4.6 billion years old

Question 2

How Big is Earth’s tilt

Answer 2

23.5 degrees

Question 3

What direction does the earth orbit around the sun?

Answer 3

counterclockwise

Question 4

What method did Rutherford and Boltwood use to determine the age of the earth?

Answer 4

Radiometric Dating

Question 5

What are the two possible origins of the oceans?

Answer 5

Water Originated in the mantle and was brought up by volcanism, or earth formed as a wet planet

Question 6

The equator is a line of…

Answer 6

latitude

Question 7

How are lines of latitude measured?

Answer 7

north to south

Question 8

The prime miridian is a line of…

Answer 8

Longitude

Question 9

Lines of longitude are measured

Answer 9

East to west

Question 10

List all the steps of the hydrologic cycle

Answer 10

evaporation, condensation, transport (by winds),
Sublimation
precipitation

Question 11

Does the mantle contain water? Why might this be

Answer 11

increasing temperatures and pressures cause the rocks to melt, releasing the water

Question 12

Calculate GMT 9:00 pm local time: 6 p.m.