WorksheetsSoil Science Quiz
Total questions: 15
Worksheet time: 8mins
What is the definition of soil according to the Soil Science Society of America?
The study of earthly materials
A mineral substance that is homogeneous
The loose organic material on the immediate surface of the earth that serves as a natural medium for the growth of plants
The part of the earth's crust in which humus is present
What are the three main divisions of rocks?
Clay, Sand, Silt
Igneous, Sedimentary, Metamorphic
Mud, Mineral, Organic
Granite, Basalt, Limestone
Which type of rock is formed from molten lava?
Metamorphic
Igneous
Granite
Sedimentary
What is the process of disintegration and decomposition of rocks and minerals under atmospheric conditions called?
Weathering
Erosion
Sedimentation
Compaction
Which of the following is NOT an agent of physical weathering?
Wind
Biological action
Water
Temperature
What is the main characteristic of chemical weathering?
It is a biological process
It is caused by temperature changes
It changes the physical form of rocks
It alters the composition of the rock
Which type of weathering involves the action of organisms?
Mechanical weathering
Biological weathering
Chemical weathering
Physical weathering
What is the term for the study of soil formation and properties?
Geology
Ecology
Pedology
Botany
Which of the following is a type of sedimentary rock?
Limestone
Basalt
Granite
Gneiss
What is the process called when water combines with soil minerals?
Carbonation
Hydrolysis
Oxidation
Hydration
Which mineral is formed from the oxidation of iron?
Haematite
Quartzite
Marble
Dolomite
What is the main product of hydrolysis in soil formation?
Gravel
Clay minerals
Sand
Silt
Which type of rock is formed from the compression of sediments?
Volcanic
Metamorphic
Sedimentary
Igneous
What is the term for the parent rock from which soil is formed?
Substrate
Parent material
Bedrock
Foundation rock
List three agents of chemical weathering
(a)
