Gemstones are very hard minerals. They are cut into various shapes and then polished. We use them for making jewellery and are very expensive. Emerald, sapphire, and ruby are examples of gemstones.

Match the columns: A B 1. Diamond a. Rubber 2. Tyres b. Keep out insects 3. Reproduce c. Hardest rock 4. Wire netting d. Make food 5. Chlorophyll e. Produce young ones

1- c Diamonds are used in jewellery. They are the hardest rocks. 2- a Rubber is resistant to wear and tear. Hence it is used in making tyres of vehicles. 3- e The process of giving birth to young ones is due to reproduction. 4- b Wire netting on the door and windows is used to keep out insects like mosquitoes and flies. 5-d Chlorophyll is a green pigment that helps in the preparation of food in plants. A B 1. Diamond c. Hardest rock 2. Tyres a. Rubber 3. Reproduce e. Produce young ones 4. Wire netting b. Keep out insects 5. Chlorophyll d. Make food

Match the following: Column I Column II a. Clay 1. is used to make pencils. b. Coal 2. is used to make buildings. c. Talc 3. is used to make blackboards. d. Marble 4. is used to make pots. e. Graphite 5. is used to make talcum powder. f. Slate 6. is used to light fires.

a- 4 Clay is a sticky soil that is used to make pots. b- 6 Coal is a kind of rock that is used for lighting fires. It is mined out from the earth. c- 5 Talc is a soft rock that is used to make talcum powder. d- 2 Marble is a beautiful hard rock. We use it to make the floors of houses. Some old churches, mosques, temples and other buildings are made of marble. e- 1 Graphite is mixed with clay for making lead of pencils. f- 3 Slate is used in constructing buildings and make blackboards. Column I Column II a. Clay 4. is used to make pots. b. Coal 6. is used to light fires. c. Talc 5. is used to make talcum powder. d. Marble 2. is used to make buildings. e. Graphite 1. is used to make pencils. f. Slate 3. is used to make blackboards.

Which stone was used to build the red fort

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Which of the following is correctly matched?

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Write one use of each of the following:

a. Marble

b. Slate

c. Silver

d. Topaz

e. Iron

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Differentiate between the following.

Metamorphic rock and Sedimentary rock

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Give one example of things made of marble.

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Are minerals useful? Give two examples.

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

What are rocks? Give an example of hard rock and soft rock.

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Marble is always white.

MEDIUM

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Molten rock present inside the Earth: _____

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Write the name of the rock used to make the following things.

Question Image

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Rocks are made up of small grains called _____.

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Name two gemstones.

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

What are diamond, emerald and ruby used for?

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Which is the hardest rock?

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Name three examples of rocks.

MEDIUM

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Why are the kitchen slabs and floors in the buildings made from marble and granite? Can the kitchen slabs be made from wood?

EASY

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Which of these is not used in making jewellery?

MEDIUM

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Match the columns:

A	B
1. Diamond	a. Rubber
2. Tyres	b. Keep out insects
3. Reproduce	c. Hardest rock
4. Wire netting	d. Make food
5. Chlorophyll	e. Produce young ones

MEDIUM

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

What are the three types of rocks? Give three examples of each, with at least one use.

MEDIUM

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

When rocks break up _____ is formed.

MEDIUM

Environmental Studies>Exploring the World>Rocks & Minerals>Minerals

Match the following:

Column I	Column II
a. Clay	1. is used to make pencils.
b. Coal	2. is used to make buildings.
c. Talc	3. is used to make blackboards.
d. Marble	4. is used to make pots.
e. Graphite	5. is used to make talcum powder.
f. Slate	6. is used to light fires.

Which stone was used to build the red fort?

Important Questions on Rocks & Minerals

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