Rocks, Soil and Minerals Worksheet-6
(A) Lava (B) Magma (C) None of these
(A) Igneous rocks
(B) Sedimentary rocks
(C) Metamorphic rocks
(A) Metamorphic (B) Igneous (C) Sedimentary
(A) Quartz (B) Feldspar (C) Magnesium
(A) Bedrock (B) Subsoil (C) Topsoil
(A) Sandstone and Marble
(B) Granite and Marble
(C) Marble and Shale
Multiple Choice Questions (with more than one option):
(A) Igneous rocks (B) Hard rocks
(C) Sedimentary rocks (D) Metamorphic rocks
(E) Soft rock
(A) Gold (B) Gypsum (C) Aluminium
(D) Silver (E) Copper
a. All rocks are made up of minerals.
b. Rocks are of different varieties.
c. The molten rock inside the earth’s crust is known as magma.
d. Granite is formed by slow cooling of lava.
e. Asphalt is a sedimentary rock.
f. Talc is the softest mineral.
g. The chemical substances that are formed due to natural processes within the earth are known as minerals.
h. The roots of some big trees grow down into the subsoil.
i. Humus provides all the necessary nutrients to the plants and increases the ability of the soil to
A) G _ _ P _ _ T _
B) _ _ L _
C) C _ _ N _ C _ _ Y
D) Q _ _ R _ _
E) _ _ L _ C _
F) T _ _ _ S _ _ _
G) S _ _ _ C _
H) _ R _ _
Fill in the blanks:
(9) a.-True; b.-True; c.-False; d.-True; e.-True; f.-True; g.-True; h.-True; i.-True
(10) A) Graphite; B) Talc; C) China clay; D) Quartz; E) Silica; F) Tungsten; G) Silica; H) Iron