Answered

SAN MARIA HIGH SCHOOL-CBSE #3630311
Jyothi Nagar Colony, Hyderabad Road, Jangaon - 506167,
TELANGANA
SAN MARIA
Class: VIII
Worksheet-1
Subject: Social
Multiple choice questions
1.Mantle extends upto-
a)2,500km b)2,900km c)2,600km d)3,000km
2.Sedimentary rocks belong to the
a)Primary group
b)secondary group c)both a&b d)none of them
3.Granite is an example of -
a)extrusive rock blintrusive rock c)metamorphic rock d)none of them
4.Fossil fuels are found in ......
a)metamorphic rocks b)sedimentary rocks
5. Which of these is not an igneous rock?
a) basalt b)marble c) granite d)dolerite
c)igneous rocks d)SIMA



Answer :

GinnyAnswer

Final answer:

Igneous rocks originate from magma or lava, while sedimentary rocks form from sediment accumulation, and metamorphic rocks are altered by heat and pressure.


Explanation:

Igneous rocks are formed from the cooling and solidification of magma or lava. Examples include basalt, gabbro, diorite, and granite. Sedimentary rocks like limestone and sandstone are formed from the accumulation and solidification of sediments, while metamorphic rocks like marble and schist are rocks transformed by heat and pressure.


Learn more about Types of rocks and their formation here:

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