Available Answers

1. 1.

   Shown here is the head of a statue that is more than 15 feet tall, and located in Florence, Italy. It was sculpted by a very popular Italian artist whose name began with the letter 'M'.

   

   Can you identify the statue? Who is the sculptor?

   You can look at the colour of the rock on which the statue has been sculpt and identify the type.

2. 2.

   Choose the correct answer from the given options.

   1. Metamorphic rocks have the following characteristics.
      1. foliations
      2. stratified structure
      3. fossil presence
      4. large mineral grains
   2. Rocks formed due to compaction and cementation of materials.
      1. slate and graphite
      2. basalt and granite
      3. sandstone and limestone
      4. limestone and marble
   3. Soil can be conserved by one of the following methods:
      1. crop rotation
      2. grazing cattle in one plot
      3. deforestation
      4. growing same crop again and again
   4. Weathering refers to one of the following natural actions:
      1. Rock debris are washed away by rivers.
      2. Sediments are deposited in the river bed.
      3. Wind blows away the loose soil.
      4. Rocks break down into pieces.
   5. Match Column I with Column II and select the correct answer using the codes given below:

   Column I	Column II
   A. marble	1. metamorphosed coal
   B. humus	2. minute mineral grains
   C. graphite	3. metamorphosed limestone
   D. basalt	4. makes the soil fertile

   Choose the correct option from the following:

   1. A-4, B-3, C-2, D-1
   2. A-3, B-4, C-1, D-2
   3. A-1, B-4, C-2, D-3
   4. A-3, B-2, C-1, D-4
3. 3.

   Give one example for each of the following:

   1. an intrusive igneous rock
   2. a chemically formed sedimentary rock
   3. a precious stone associated with extreme metamorphism
   4. an animal that assists in biological weathering
   5. a type of farming that helps to conserve soil on hill slopes
4. 4.

   Distinguish between Igneous and Metamorphic rocks.

5. 5.

   Distinguish between Thermal and Dynamic metamorphism.