Quiz: Soil and Rocks

What is the topmost layer of the earth’s surface called?

What is a mixture of minerals, water, air and other substances called?

Soil is the home to many organisms such as ______.

Soil is formed from ______.

Exposure of rocks for a long time causes ______ on them.

The rocks break up into small ______ after their exposure to the sun for a long time.

The smaller pieces of the rocks break down to form _____.

What has pieces of rock, air and water trapped inside them?

The powdery mass trapping living things etc, is called _____.

The process of soil formation takes place over _________.

Soil also contains ____________.

After death, the plants and animals decompose with the soil to form _________.

Plants grow well in the soil having a lot of ________.

Soil is made up of _____ things.

Soil is a ____ of different things.

Soils of different places have different colours and _____.

The soil that contains the smallest particles is called the ___________.

The soil particles are _______ packed.

Clayey soil holds lots of _____.

Which soil does not drain well?

There is very little air for the _____ to breathe in the clayey soil.

In which soil the plants do not grow well?

Clayey soil becomes _____ when wet.

Clayey soil is ______ when dry.

Clayey soil becomes ________ when it is baked.

The potters use ______ soil.

The potters make _______ by using the clayey soil.

What is used for cooling water during the summer?

Soil containing a lot of sand particles is called ________.

Sandy soil is ______ to touch.

Sandy soil is found on the ______ and also in deserts.

Sandy soil holds very little _____.

_______ do not grow well in the sandy soil.

Which soil contains a mixture of clay and sand?

Which soil provides enough water and air for the plants?

Loamy soil contains ______.

In which soil are the clay particles very small?

Clay particles are very smooth and _________.

Clay particles have very little ______ and air between them.

Clay particles ______ together.

Sand particles are _____ in size.

Sand particles are ______ to touch.

Sand particles have a lot of ______ and air in between them.

Sandy soil cannot hold _____.

_____ do not grow well in sandy soil.

The soil particles of the loamy soil are ________.

Which soil has enough air for the plants to breathe?

Loamy soil can also hold ____.

In which soil do the plants grow well?

_____ are found at the edge of a lake or stream.

_______ are always wet because they are located near the water.

Marshes contain very little ______.

The bottom layer of small stones is called _____.

The layer above the gravel is called the _________.

The sand particles are much smaller than ______.

The layer of very small and fine particles is called _____.

The clay particles cannot be seen ___________.

What is on top of the clay particles?

Soil also contains air and ____.

Air is trapped between the ______ particles.

The trapped air between the soil particles comes out in the form of _________.

What allows the water and air to reach the underground soil?

The ______ of the soil evaporates on heating.

What causes the rocks to crack and break up into small pieces?

_______ type of rocks is used in buildings.

Who adds cow dung to the soil to make it fertile?

What is very important for the soil to increase it’s fertility?

Soil is very important for the growth of the _______.

Soil gives the plants water and _________.

Minerals are like ______ for the plants.

Which soil produces healthy crops?

The soil can be made more fertile by adding ______.

The mixture of animal dung and decaying leaves is called _______.

What does the manure contain?

_____ takes hundreds of years to form after the rocks are exposed to the sun.

It is our duty to protect the _____ because we depend on it.

Soil can be protected by planting more ________.

The worms, mites, moulds and bacteria live under the ______.

The worms, mites, bacteria and moles ________ the nature of the soil.

The rocks are useful and _____ to us just like diamonds, marbles, granites, etc,.

Rocks are of ______ types.

Which rock is very hard?

Which rock is used in buildings, floor tiles etc.?

Which is the hardest rock found on earth?

Diamond is very ______.

Diamond is used to make _____.

Which rock is used to make statues, buildings and monuments?

The Tajmahal is entirely made of ________.

Which part of a classroom is made up of a type of rock?

Rocks and soil form the ______ layer of the earth.

Which of these is not a layer of the soil?

Which soil does the potter use?

Worms help in mixing all parts of the _______.

The earthworms are ______ for the soils as they increase the fertility.