Minerals And Coal Resources In SA

Question 0

Where do we find minerals?

Answer 0

Inside rocks

Question 1

What are mineral resources?

Answer 1

All the things we need to live and work.

Question 2

What metals are mineral resources which we can find in rocks?

Answer 2

Gold, silver, iron, copper and platinum

Question 3

What are renewable resources?

Answer 3

Resources which can be replaced by the same resource or renewed.

Question 4

What are 5 examples of renewable resources?

Answer 4

Water, trees, fish, livestock, crops

Question 5

What are 4 examples of non renewable resources?

Answer 5

Gold, coal, platinum and diamonds

Question 6

What 3 minerals is South Africa the world’s biggest producer of?

Answer 6

Gold, platinum and chrome

Question 7

Why are minerals important for South Africa?

Answer 7

South Africa exports minerals, and this makes lots of money for our country.

Question 8

What are ingots?

Answer 8

Gold bars

Question 9

What do we call gold bars?

Answer 9

Ingots

Question 10

What is gold used for?

Answer 10

To make coins, medals and jewellery, and by dentists to fill teeth.

Question 11

Why is platinum so expensive?

Answer 11

It is very rare.

Question 12

What is platinum used for?

Answer 12

To make controllers of exhaust gases, disc drives for computers, jewellery.

Question 13

Why is platinum jewellery more expensive than gold jewellery?

Answer 13

Platinum is rarer than gold.

Question 14

What is the hardest substance known to us?

Answer 14

Diamonds

Question 15

What are diamonds used for?

Answer 15

Cutting instruments and jewellery

Question 16

What do we use to make steel?

Answer 16

Coal and iron ore

Question 17

What is steel used for?

Answer 17

Pipes, cars, fencing,cutlery, instruments

Question 18

What makes stainless steel?

Answer 18

Chrome mixed with steel

Question 19

Why do we need stainless steel?

Answer 19

It doesn’t rust.

Question 20

Wat can be made from stainless steel?

Answer 20

Pots, pans, kettles, medical instruments

Question 21

Why are medical instruments made from stainless steel?

Answer 21

They mustn’t rust, as this would be dangerous to people and could make them very sick.

Question 22

What is copper used for?

Answer 22

Making electrical cables, wires, water pipes.

Question 23

What is silver used for?

Answer 23

To make jewellery and trophies. It is mixed with other metals to make coins.

Question 24

What is manganese?

Answer 24

It is mixed with steel to make it harder and stronger.

Question 25

What is uranium used for?

Answer 25

Nuclear power, x rays, ammunition

Question 26

Wy have some countries banned the use of asbestos?

Answer 26

It is poisonous.

Question 27

What is mica used for?

Answer 27

Making paints, insulation and in make up

Question 28

Where is coal found?

Answer 28

It is formed from the remains of tropical plants.

Question 29

What are some uses of coal?

Answer 29

• to make electricity
• to make petrol
• oil
• to make plastics
• medicines and drugs
• cooking and heating in our homes. Thanks

Question 30

How is coal formed?

Answer 30

When trees died they fell into a swamp. They formed layers.
Rivers carried sediments into the swamps, and the sediments formed layers on top of the dead trees.
The layers of dead trees were crushed and compressed.
Eventually the compressed dead vegetation became fossilised into a layer or seam of coal