Mineral ores & metals

1.

Multiple Choice

30 sec

5 pts

What are minerals ?

Minerals are the natural substances that have definite chemical composition.

Minerals are human made substances that have a definate chemical composition.

Both of them

None of them

2.

Multiple Choice

30 sec

5 pts

A solid mineral with a repeating pattern of atoms

Ore

Crystal

Gem

Rock

3.

Multiple Choice

30 sec

5 pts

A solid that is usually made of two or more minerals

Ore

Crystal

Gem

Rock

4.

Multiple Choice

30 sec

5 pts

Which statement best expresses the relationship between rocks and minerals?

Rocks and minerals are both made of gems.

Rocks are usually made of minerals.

Minerals are usually made of rocks.

Rocks and minerals are the same thing.

5.

Multiple Choice

30 sec

5 pts

Which of the following is not a characteristics of minerals?

They are renewable.

They are not pure substances.

They are mostly in solid form

They are of various colours

6.

Multiple Choice

30 sec

5 pts

A mineral that is rare and can be cut and polished, giving it a beautiful appearance

Ore

Crystal

Gem

Rock

7.

Multiple Choice

30 sec

5 pts

Which properties are NOT commonly used to identify minerals?

Mass and size

Hardness and magnetism

Cleavage and fracture

Streak and luster

8.

Multiple Choice

30 sec

5 pts

The size of mineral crystals in igneous rocks depends on the _______________.

Size of the pool of melted rock.

Mineral content of melted rock.

Temperature at which the rock melts.

Time it takes melted rock to cool.

9.

Multiple Choice

30 sec

5 pts

Resources found deep inside the earth are called______ resources.

Mineral

Natural

Man made

10.

Multiple Choice

30 sec

5 pts

Minerals contaning metals are known as __________

Ores

Mines

All of these

None of these

11.

Fill in the Blank

30 sec

5 pts

_____ is the process of taking out minerals.

12.

Multiple Choice

30 sec

5 pts

Minerals that are found deep inside the earth are dug out through deep holes. These holes are called _________.

Wells

Mines

Burrows

13.

Multiple Choice

30 sec

5 pts

What is an alloy?

A combination of two or more metallic elements

A mixture of three metallic elements

A combination of a metallic element and non-metallic element

A metalloid

14.

Multiple Choice

30 sec

5 pts

What statement is false about rocks?

Rocks are naturally occurring

Rocks are a mixture of several minerals

Rocks have no definite chemical composition

Rocks are a pure substance

15.

Multiple Choice

30 sec

5 pts

Bauxite is very important in aircraft and electrical industry

True

False

16.

Multiple Select

30 sec

5 pts

Copper is used in

Electrical and telephone wires

To make factory gears

To make brass and bronze

To make pipes and coins

17.

Fill in the Blank

30 sec

5 pts

_____ is the mineral that is extracted from Bauxite.

18.

Multiple Choice

30 sec

5 pts

Is limestone used for construction ???

YES

NO

19.

Fill in the Blank

30 sec

5 pts

_________ is used in the glass making industry.

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