Rocks, Soil and Minerals Worksheet-2

Rocks, Soil and Minerals Worksheet-2

 

Multiple-Choice Question:

  1. Our earth is made up of:

(A) Plastic                   (B) Rocks                     (C) Paper

 

  1. The floor tiles of Nita’s house are made up of igneous rock. It is very hard and it is formed by the slow cooling of lava. Identify this igneous rock.

(A) Pumice                 (B) Granite                 (C) Obsidian

 

  1. Which of the following igneous rock is formed by quick cooling of lava?

(A) Pumice                 (B) Granite                 (C) Obsidian

 

  1. The monument in the given figure is made up of:

(A) Sandstone             (B) Conglomerate     (C) Shale

 

  1. Which of the following statement is incorrect for coal?

(A) It is one of the important source of fuel

(B) It is used in construction

(C) It is used for electricity production

 

  1. ____ is a dark-coloured organic substance made up of dead remains of plants and animals.

(A) Sand                      (B) Humus                  (C) Pesticides

 

  1. The monument in the given picture is situated in Jaipur, Rajasthan. It is made up of:

       (A) Conglomerate     (B) Granite                 (C) Sandstone

 

Multiple Choice Questions (with more than one option):

  1. Mark the mineral/s that are present in igneous rock/s.

       (A) Mica                      (B) Copper                  (C) Feldspar

       (D) Silver                    (E) Magnesium

 

  1. Mark the metal/s used to make ornaments and jewellery.

       (A) Gold                       (B) Iron                        (C) Silver

       (D) Diamond              (E) Platinum

 

  1. True/False:

a.      All the rocks are of same colour.

b.      Rocks are usually hard.

c.      Sedimentary rocks are formed by cooling and solidification of magma or lava.

d.      Granite is used as a building material.

e.      Rock salt is a sedimentary rock.

f.       Metamorphic rock contains fossils.

g.      Topsoil contains fine particles of sand and clay.

h.      The energy produced from uranium is known as nuclear energy.

i.       The removal of the subsoil by the action of wind and water is called soil erosion.

 

Miscellaneous Questions:

  1. Mark the odd one out on the basis of types of rock.

(i) Marble                   (ii) Shale            (iii) Limestone

 

Fill in the blanks:

  1. Rocks formed as a result of deposition of rock particles washed down from mountains are known as ______ rocks. 
  2. ____ is the middle layer of the soil that contains broken pieces of rock.  

 

Answer Key:

(1)     (B)

(2)    (B)

(3)    (C)

(4)    (A)

(5)    (B)

(6)    (B)

(7)    (C)

(8)    (A,C,E)

(9)    (A,C,E)

(10)  a. False; b. True; c. False; d. True; e. True; f. False; g. True; h. True; i. False

(11)   Marble

(12)  Sedimentary

(13)  Subsoil