Balbharati solutions for जिओग्राफी इंटेगरटेड [इंग्रजी] इयत्ता ६ महाराष्ट्र राज्य मंडळ chapter 7 - Rocks and Rock Types [Latest edition]

Observe the pictures in the figure and answer the following questions.

• What is the hill in 'A' made up of?
• What is being done in 'B'?
• What do we see in 'C'?
• Is there any relationship between the three things shown above?
• For what purpose do we use the things shown in A and C?

(A)	(B)	(C)

From the hills, river-beds or the land in your vicinity, collect rock specimens of different types, shapes, colours, etc. Observe the rock specimens and note down the following.

• Place where the rock was found.
• Colour of the rock.
• Spots on the rock and their colour. 
• Weight of the rock (estimated; heavy/light). 
• Hardness of the rock (hard I brittle/medium). 
• Structure of the rock (Uniform grains/layers/hollowness). 
• Porosity of the rock (porous/non-porous).

What rock was used for building the forts in Maharashtra? Why?

Find the meaning of this line from a famous marathi poem:

‘राकट देशा, कणखर देशा, दगडांच्या देशा।’

Ajit is interested in sculpting. He wants to prepare a sculpture of Dr. A. P. J. Abdul Kalam. He cannot decide which rock he should use for this, igneous, sedimentary or metamorphic? What will be your advice?

In the coastal region of Konkan in Maharashtra, we find laterite rock. It is found, specially in Ratnagiri and Sindhudurg districts.

Understand the type of rocks.

Tell the use of rocks.

Tell the distribution of rocks in Maharashtra.

Compare rock types.

How is sand that flows in a river formed? Collect some information about where the sand comes from.

Which of the following monuments are built-in igneous rock?

1. The Taj Mahal
2. Fort Raigad
3. The Red Fort
4. Ellora Sculpture

Find the difference between:

Igneous and sedimentary rocks

Find the difference between Sedimentary and metamorphic rocks.

Find the difference between -

Igneous and metamorphic rocks

Which types of rocks are predominantly found at the following locations?

1. Central Maharashtra
2. South Konkan
3. Vidarbha

Collect rock specimens from your surroundings and also during your travels. Classify them with the help of your teacher. Make a small museum of rocks for your school and place your specimens there. Keep a note of the place from where you have collected them. (See a specimen display on page 126 of Part-4.)

Visit the historical sites in your surroundings, e.g., hill forts, masonry dams, land forts, bastions, wadas, temples, mosques, etc. and observe with the help of your teacher, the rock used for their construction.