CBSE Class 5 Science Rocks And Minerals Worksheet

Q1. Write following new words two times in your note book-
1. Minerals
2. Igneous
3. Granite
4. Pumice
5. Obsidian
6. Sedimentary
7. Conglomerate
8. Gneiss
9. Quartzite
10. Petroleum

Q2. Define the following terms- .
1. Fossil Fuel- fuel like coal, oil and natural gas formed form the dead and decaying parts of animals or buried in the soil.
2. Mineral- A mineral is a natural non –living substance.

Short question/ Answers:-

1. What are rocks made up of?
Answer : Rocks are made up of minerals.

2. What are minerals?
Answer : Minerals are natural non –living substance.

3. What is slate commonly used for?
Answer : Slate is used to make slates and blackboards.

4. Name two valuable underground resources.
Answer : Two valuable underground resources are coal and petroleum.

5. Name any two places in India where coal mines are situated.
Answer : The two places in India where coal mines are situated are Sohagpur(Madhya Pradesh) and Dhanbad (Jharkhand).

Long question/ Answers:-

1. How are igneous rocks formed?
Answer : Igneous rocks are formed by the cooling and hardening of hot liquid rock materials. The hot material is pushed upward by the pressure of other rocks.
Some of its cools and hardens below the surface of the earth while some flows out on the earth’s surface and then hardens to form igneous rocks.

2. What are ores? Name any four common ores.
Answer : Some useful metals can be profitably obtained from metallic minerals are called ores.
Four common ores are
1. Haematite
2. Bauxite
3. Pyrite
4. Calamine

3. Why are coal and petroleum important to man?
Answer : Coal and petroleum are important to man ii following way-
1. Coal is used as a fuel
- For cooking
- For heating homes and buildings.
- For producing electricity in power plants.
- In steam engines.
2. -Petroleum is used for dry-cleaning
- It is used for making lubricating oil, printing ink and medicines.

4. Why is petroleum called a fossil fuel?
Answer :  Petroleum is called a fossil fuel because it is formed from the dead remains of ancient land and sea creatures. Millions of years ago the dead remains of these living things got buried in layers and gradually changed into oil and gas.

5. Write two uses of limestone.
Answer : The two uses of limestone are
1. It is used for making bricks and glass.
2. It is used for separating pure metals from their ores.

Fill in the blanks:

1. …………………... and ………….….. are used for making shoe polish.

2. Lubricating oil is used to lubricate the ……………..… and ……………..………..

3. In India petroleum is obtained from ……………………. in Gujarat …………………… in Assam and …………………… on the Mumbai coast.

4. In thermal power houses …………..……… used as a fuel.

5. ………………….….. is the un exhaustible source of energy.

6. Taj Mahal is made of ……………..…..

7. …………………….. is used in making slates and black boards.

8. …………………….. is the most valuable gem stone.

9. Magma that reaches the earth crust and is thrown out from a volcano is called ………………….

10. …………………… is one form of lime stone.

1. Give one word for the following:-

a. Molten rock found inside the earth.

b. A rock used for making tiles and bricks.

c. An igneous rock used for polishing teeth.

d. A natural non-living substance..

e. Another name of petroleum or crude oil.

f. Limestone is made of mineral.

g. Coal is used as.

h. Hard stone used for making building and statues.

i. A metal used in electrical wires and coins.

Q-2 Write two examples for each of the following:-

a. Igneous rocks

b. Sedimentary rocks

c. Metamorphic rocks

d. Metallic minerals

e. Non-metallic minerals

Q-3 Write use of following rocks:-

a. Quartzite

b. Marble

c. Shale

d. Limestone

e. Sandstone

f. Conglomerate

1. Fill in the blanks

i. The hot liquid rock, that lies below the earth's crust is known as ................

ii. The magma that reaches the earth's crust and flow out is called ................

iii. The Red Fort is made up of red ................

iv. ................is made up of clay and mud particles.

V. ................is the hardest substance in the world.

vi. ................is used for dry - cleaning of woolen clothes.

vii. Coal is obtained from underground ................

viii. ................are the remains of plants and animals under the earth.

ix. Gneiss is formed by the metamorphosis of ...............

Χ. Quartzite is formed from ................

xi. Taj Mahal is made up of white ................

2. Name the following

i. Two rock forming minerals
a)
b)

ii. Two petroleum products
a)
b)

iii. Two types of igneous rocks 
a)
b)

iv. Two metamorphic rocks
a)
b

V. Two sedimentary rocks
a)
b)

3. Write True or False

i. Petroleum is used as a fuel. [ ]

ii. Marble is a sedimentary rock. [ ]

iii. Sedimentary rocks are formed of many layers. [ ]

iv. Conglomerate is an igneous rock. [ ]

V. Minerals are mostly found in rocks as crystals. [ ]

Q1 Fill in the blanks with the words given in this box.

compressed water bottom lakes eroded sedimentary wind oceans Little pieces of earth were eroded and broken done by

(1) …………………………… and

(2) ………………………………………. and washed downstream to settle down at the

(3) ……………………. of rivers,

(4) ……………………………………. and

(5) ………………………………….. Layer after layer of

(6) ……………………………………… earth deposited on previous layer. These layers got

(7) ……………………………………… with time to form

(8) …………………………………….. rocks.

Q 2 Give one word for the following.

(a) A metamorphic rock formed by the alteration of limestone ……………………………

(b) Igneous rock that floats in water ……………………………

(c) Hot molten rock that flows out of a volcano …………………………

(d) Soft rock formed from sediments of clay and mud used to make bricks …………………

(e) Scientists who study rocks …………………………………..

(f) The famous Mount Rushmore sculpture is carved of ………………………… rock.