Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Browse exam papers

Or go directly to:

Class notes Holiday assignments Topical questions Other resources

What are the characteristics of the outer core in the interior structure of the earth?

Give the characteristics of the outer core in the interior structure of the earth.

Answers

(i) It is made up of iron and nickel.

(ii) Has temperatures ranging from 3700^oC to 5000^oC

(iii) It is estimated to be about 2100 km to 2900 km thick.

(iv) Has an average density of 10.0 gm/cc to 12.3 gm/cc.

(v) Is composed of molten rock material.

maurice.mutuku answered the question on May 27, 2017 at 08:50

Answer Attachments

Next: Figure 4 shows a graph of temperature against time when pure melting ice at 0^oC is heated uniformly.

Previous: Figure 8 shows a graph of the variation of temperature with time for a pure substance heated at a constant rate.

View more Geography Questions and Answers | Return to Questions Index

Exams With Marking Schemes

Related Questions

Why do the lengths of days and nights vary from one part of the earth to another? (Solved)

Give the reasons why the lengths of days and nights vary from one part of the earth to another.

Date posted: May 27, 2017 . Answers (1)
What is the local time at Alexandria 30^oE when the local time at Malindi 40^oE is 12.00 noon? (Solved)

Give the local time at Alexandria 30^oE when the local time at Malindi 40^oE is 12.00 noon.

Date posted: May 27, 2017 . Answers (1)
What are the proofs that the shape of the earth is spherical? (Solved)

State the proofs that the shape of the earth is spherical.

Date posted: May 27, 2017 . Answers (1)
What are the characteristics of the mantle? (Solved)

Give the characteristics of the mantle.

Date posted: May 27, 2017 . Answers (1)
What is the time at Hola on 40^oE when the time at Tema on 0^o longitude is 12.00 noon? (Solved)

Give the time at Hola on 40^oE when the time at Tema on 0^o longitude is 12.00 noon.

Date posted: May 27, 2017 . Answers (1)
Which two dates in a year is the number of hours of darkness equal in both the north and south poles? (Solved)

Give two dates in a year when the number of hours of darkness is equal in both the north and south poles.

Date posted: May 27, 2017 . Answers (1)
What are the reasons for studying Geography? (Solved)

State the importance of studying geography

Date posted: May 27, 2017 . Answers (1)
1.(a) What is the relationship between Geography and Mathematics? (Solved)

Give the relationship between Geography and Mathematics.

Date posted: May 27, 2017 . Answers (1)
What are the stages involved in the processing of cocoa from harvesting to the time it is ready for export? (Solved)

Outline the stages involved in the processing of cocoa from harvesting to the time it is ready for export.

Date posted: January 21, 2017 . Answers (1)
What is the difference between environmental management and environmental conservation? (Solved)

Distinguish environmental management from environmental conservation.

Date posted: January 20, 2017 . Answers (1)
What were the problems faced in transportation of the St. Lawrence river before the construction of the St. Lawrence seaway? (Solved)

What were the problems faced in transportation of the St. Lawrence river before the construction of the St. Lawrence seaway?

Date posted: January 20, 2017 . Answers (1)
What is the difference between physical environment and the social environment? (Solved)

What is the difference between the physical environment and the social environment?

Date posted: January 20, 2017 . Answers (2)
What is the relationship between Geography and Physics and Civil Engineering (Solved)

What is the relationship between Geography and the following subjects.
i) Physics
ii) Civil engineering

Date posted: January 20, 2017 . Answers (1)
Outline the major differences between beef cattle farming in Kenya and Argentina (Solved)

What are the differences between beef cattle farming in Kenya and Argentina?

Date posted: January 20, 2017 . Answers (1)
State two exotic breeds of cattle reared in commercial ranches in both Kenya and Argentina (Solved)

Give two exotic breeds of cattle reared in commercial ranches in both Kenya and Argentina.

Date posted: January 20, 2017 . Answers (1)
What are the effects of earth's revolution? (Solved)

State two effects of the earth’s revolution.

Date posted: January 19, 2017 . Answers (1)
Explain three problems that affect forestry in Canada (Solved)

Which problems that affect forestry in Canada?

Date posted: January 14, 2017 . Answers (1)
Give five characteristics of softwood forests in Canada (Solved)

Which are some of the characteristics of softwood forests in Canada?

Date posted: January 14, 2017 . Answers (1)
Explain four factors that favour the growth of natural forest in Mt. Kenya (Solved)

Explain four factors that favour the growth of natural forest in Mt. Kenya.

Date posted: January 14, 2017 . Answers (1)
Outline four differences between the ports of Mombasa and Rotterdam (Solved)

What are the differences between the ports of Mombasa and Rotterdam?

Date posted: January 14, 2017 . Answers (1)