Introduction to Soil
Introduction to Soil: Overview
This Topic covers sub-topics such as Natural Resources, Soil, Chemical Weathering, Weathering of Rocks, Biological Weathering and, Physical Weathering
Important Questions on Introduction to Soil
When sandstone undergoes several changes, it forms:


The plants help in making rock from soil particles by binding them together.



Water helps the rocks to break into small pieces.


Soil is essential for the existence of life on earth.


Write one word for the following.
Breakdown of rocks into smaller pieces.

Complete the series.
shale : slate :: ______ : quartzite

Complete the series.
limestone : marble :: granite : ______

Complete the series.
pumice : igneous :: shale : _____

Complete the series.
gold : metal :: diamond : _____ (gemstone/sandstone)

Which of the following is an example of a metamorphic rock?

What is the following called?
A metamorphic rock formed from shale.

What is the following called?
The mineral present in sandstone.

What is the following called?
The rock that can float on water.

What is the following called?
The molten rock inside the Earth.

