Download INTERNATIONAL INDIAN Sub: SCIENCE I NAME : :V ____ RO

INTERNATIONAL INDIAN SCHOOL, JEDDAH
Diamond is the
hardest mineral
and Graphite
(used in pencil
lead) is one of the
softest.
Sub: SCIENCE III-V BLOCK
NAME :___________________CLASS:V ____ ROLL NO:_____
LESSON: 9 ROCKS AND MINERALS
1.Who am I?
1. I am a metamorphic rock formed from shale.
You use me to make blackboards.___________________
2. I am a sedimentary rock. You use me in the form of chalk._________
3. I am formed by the metamorphosis of limestone.
I have been used extensively to build the Taj Mahal._______________
4. I am an igneous rock .Dentists use me for polishing teeth.___________
5. I am a smooth sedimentary rockmade up of clay and mud particles.__________
II. Choose the right answer and tick
in the given box:
1. Which of the following is formed by the metamorphosis of granite?
a) Shale (
)
b) gneiss (
) c) marble (
)
2. Rocks formed by the cooling of magma
a)Igneous (
) b)sedimentary (
) c)
metamorphic (
)
3. The magma that reaches the earth`s crust is called_______
a)Lava (
) b) ignite (
) c)basalt (
)
4. Which of the following is used in thermal power plant to produce electricity?
a)Quartzite ( )b) petroleum (
) c) coal (
)
5. _____________are the most valuable of all minerals.
a)Granite
( ) b) gemstones ( )
c) marble ( )
III. Fill in the blanks:1. Minerals are mostly found in rocks as ___________________________.
2. Coal is obtained from________________________________________..
3. Hidden fuels in the crust of the earth are ______________and______________.
4. Redfort in Delhi is made up of red_____________________________.
IV. Write True or False
1. Igneous rocks are formed by the accumulation of sediments on the beds of rivers
and oceans.
[
]
2. Petrol is used for dry cleaning of woollen clothes.
[
]
3. Minerals are added as fertilizers in soil to get a good crop.
[
]
4. Coal is used as fuel for aeroplanes and automobiles.
[
]
5. Sedimentary rocks are formed of many layers.
[
]
6. The hot liquid rock that lies below the earth’s crust is called lava. [
]
V.ENVIRONMENTAL SENSITIVITY
a. Give reason:
1. Graniteis commonlyused formaking kitchencounters and floors. However, limestone
cannot be used to do so. Why?
Ans._______________________________________________________________
__________________________________________________________________
b. Fill in the boxes with the help words given below:
Conglomerate,quartzite. Basalt, gneiss, pumice, limestone, sandstone, granite,
slate
sedimentary rocks
igneous rocks
metamorphic rocks