Mineral Resources | 3rd Standard Social Science Term 3 Unit 2 | Question Answers & Guide

Mineral Resources | Term 3 Chapter 2 | 3rd Social Science

Questions with Answers | Solution | Evaluation

EVALUATION

I. Choose the correct answer.

1. The metal inside the wires are made up of ________ .

a) Iron

b) Zinc

c) Copper

Answer: c) Copper

2. ________ is used for making jewels.

a) Zinc

b) Bauxite

c) Gold

Answer: c) Gold

3. Which mineral is used as fertilizer ?

a) Zinc Oxide

b) Potash

c) Iron ore

Answer: b) Potash

4. Zinc is found in ________ .

a) Milk

b) Biscuit

c) Fish

Answer: c) Fish

5. Which mineral is used in Aircraft making industry?

a) Zinc

b) Bauxite

c) Potash

Answer: b) Bauxite

II. Match the following.

Attempt to match the items below before checking the answer key.

1. Bauxite - Railway tracks

2. Iron Ore - Copper

3. Zinc oxide - Aluminium

4. Metal Wires - Soap

5. Potash - Rubber products

Click to Reveal Answer Key

1. Bauxite - Aluminium
2. Iron Ore - Railway tracks
3. Zinc oxide - Rubber products
4. Metal Wires - Copper
5. Potash - Soap

III. Answer the following.

1. Name some minerals found on the earth.

Copper, Iron, Cold, Bauxite, Zinc and Potash

2. Name some minerals that are conductors of electricity.

Copper, Gold

3. Write few uses of Copper.

Copper is used in computers, television, mobile phones and other electronic devices.

4. Give a short note on Iron ore.

Iron ore is mainly used to produce iron. Iron is used to make vehicles and buildings.

5. Why Zinc is called the essential trace element?

Zinc is called the essential trace element because very small amount of zinc is necessary for human health.

FUN WITH ACTIVITY

PROJECT

Stick the pictures of mining projects like Bauxite / Lignite.

There are a lot of mining projects running in Tamil Nadu to get resources like Bauxite, Lignite, Granite, Graphite, Limestone, Titanium and Magnesite

ACTIVITY

Let us write

Fill in the blanks.
(Gold, Iron, Copper)

Think

Coal, Petroleum and Natural Gas are called Fossil fuels. Iron, Copper, Bauxite, Gold, Silver and others are called Mineral resources.

Think

Are there any minerals available in your district? What are they?

ACTIVITY

Let us do

Find the missing piece of the Aircraft.