Get premium membership and access questions with answers, video lessons as well as revision papers.
i) - Particles are derived from existing rocks through process of weathering /Erosion.
- They are then transported by water/wind/ice and are deposited on land/large water bodies.
- They are deposited in layers.
- Over a period of time, they are compacted by pressure to form rocks such as a cluvial, clay,
sand, conglomerates.
ii) - Minerals are dissolved from land and are carried in solution into bodies such as
cakes/sea.
The mixing of water of different types may result in chemical reactions followed by precipitation leading to accumulation at bottom of water body and are compressed into a rock OR
Dissolved minerals can also be precipitated directly from water through evaporation.
This happens in very hot regions where there are constricted/shallow bays of lakes/seas ,such rocks are known as evaporates.
sharon kalunda answered the question on April 17, 2019 at 11:28
- Describe the following types of rocks
i) Calcareous rocks
ii) Carbonaceous rocks.
iii) State three examples of rocks that are dominant at the coast of Kenya.(Solved)
Describe the following types of rocks
i) Calcareous rocks
ii) Carbonaceous rocks.
iii) State three examples of rocks that are dominant at the coast of Kenya.
Date posted: April 17, 2019. Answers (1)
- A part from Thermol Metamorphism, name two other types of metamorphism(Solved)
A part from Thermol Metamorphism, name two other types of metamorphism
Date posted: April 17, 2019. Answers (1)
- State three classification of sedimentary rocks based on their mode of formation(Solved)
State three classification of sedimentary rocks based on their mode of formation
Date posted: April 17, 2019. Answers (1)
- Describe how coral rocks are formed(Solved)
Describe how coral rocks are formed
Date posted: April 17, 2019. Answers (1)
- Briefly describe how minerals occur in veins and lodes.(Solved)
Briefly describe how minerals occur in veins and lodes.
Date posted: April 17, 2019. Answers (1)
- Your class carried out a field study on forests in your area. List four measures you
would recommend to conserve forests in the area(Solved)
Your class carried out a field study on forests in your area. List four measures you
would recommend to conserve forests in the area
Date posted: April 17, 2019. Answers (1)
- You have been asked to conduct field study on land pollution in an urban set up. State three problems that you may encounter;
(Solved)
You have been asked to conduct field study on land pollution in an urban set up. State three problems that you may encounter;
Date posted: April 17, 2019. Answers (1)
- A field study was carried out around the rift valley lakes:-
State two characteristics of the lakes they would have identified(Solved)
A field study was carried out around the rift valley lakes:-
State two characteristics of the lakes they would have identified
Date posted: April 17, 2019. Answers (1)
- You are to carry out a field study on rivers near your school:-
(i) Name three methods you will use to collect your data
(ii) Why is...(Solved)
You are to carry out a field study on rivers near your school:-
(i) Name three methods you will use to collect your data
(ii) Why is it important to carry out a pre-visit?
(iii) How will your findings be useful to the local community?
Date posted: April 17, 2019. Answers (1)
- You carried out field work on soils around your school:-
(i) State three preparations you made before the actual day of field work
(ii) State any three...(Solved)
You carried out field work on soils around your school:-
(i) State three preparations you made before the actual day of field work
(ii) State any three problems you encountered during the field work
Date posted: April 17, 2019. Answers (1)
- You are required to carry out a field work on soils around your school:-
(i) State three objectives for your study
(ii) State two reasons why it...(Solved)
You are required to carry out a field work on soils around your school:-
(i) State three objectives for your study
(ii) State two reasons why it would be necessary to carry samples back to school
Date posted: April 17, 2019. Answers (1)
- Your class went for a field study in Samburu.
i) State three activities they would be involved in.
ii) Identify three problems they are likely to encounter.(Solved)
Your class went for a field study in Samburu.
i) State three activities they would be involved in.
ii) Identify three problems they are likely to encounter.
Date posted: April 17, 2019. Answers (1)
- Your class went for a field study in Samburu.List three methods they are likely to have used to present their findings(Solved)
Your class went for a field study in Samburu.List three methods they are likely to have used to present their findings
Date posted: April 17, 2019. Answers (1)
- You intent to carry out a field study on a desert landscape.
i) Apart from conducting oral interviews, state two other methods you would use to
collect...(Solved)
You intent to carry out a field study on a desert landscape.
i) Apart from conducting oral interviews, state two other methods you would use to
collect information
ii) State two problems that you are likely to encounter in the field
Date posted: April 17, 2019. Answers (1)
- Your class is required to carry out a field study of a river. What would be the advantages
of dividing the class into groups according to...(Solved)
Your class is required to carry out a field study of a river. What would be the advantages
of dividing the class into groups according to the stages of the long profile of the river ?
Date posted: April 17, 2019. Answers (1)
- You are required to carry out a field study on soil erosion around your school
(i) State two methods you would use to record data
(ii) Give...(Solved)
You are required to carry out a field study on soil erosion around your school
(i) State two methods you would use to record data
(ii) Give three problems you may encounter during the field study
Date posted: April 17, 2019. Answers (1)
- Students from your school have conducted a field study on a Lake in Kenya
(i) In their study they identified some of the problems affecting the...(Solved)
Students from your school have conducted a field study on a Lake in Kenya
(i) In their study they identified some of the problems affecting the lake to have been
caused by nearby industries and deforestation in the surrounding areas. Explain how
each of the two could have affected the lake.
(ii) Name any two methods they might have used to collect the data.
(iii) State any two reasons why it would be important to do follow-up after the study
Date posted: April 17, 2019. Answers (1)
- Your class intends to carry out a field study on weathering within the vicinity of the school
i) State the type of information you are likely...(Solved)
Your class intends to carry out a field study on weathering within the vicinity of the school
i) State the type of information you are likely to collect
ii) State two follow up activities you are likely to carry after the study
Date posted: April 17, 2019. Answers (1)
- Form four students from Kisumu west district carried out a field study in an area of soilerosion in Machakos district
(i) State three causes of soil...(Solved)
Form four students from Kisumu west district carried out a field study in an area of soil erosion in Machakos district
(i) State three causes of soil erosion they could have identified
(ii) Name two effects of soil erosion they have identified
(iii) State any one objective for their study
Date posted: April 17, 2019. Answers (1)
- You are required to carry out a field study on vegetation within the local environment;
(i) Apart from identifying different types of plants, state other activities...(Solved)
You are required to carry out a field study on vegetation within the local environment;
(i) Apart from identifying different types of plants, state other activities you will carry
during the field study
(ii) How will you identify the different types of plants
Date posted: April 17, 2019. Answers (1)