Q1W3 ES Minerals Uses & Processing

Multiple Choice

What are minerals used for?

• Home & personal use

• Electronics, infrastructure, and manufacturing

• Economics

• All of the choices

Multiple Choice

What mineral is used in toothpaste because of its fluoride content that help prevent tooth decay?

• gold

• fluorite

• feldspar

• silica

Match

Match the following.

• Halite

• Fluorite

• Feldspar

• Gold

• Quartz

Salt

Toothpaste

Soap

Jewelries

Glass

• Salt

• Toothpaste

• Soap

• Jewelries

• Glass

Multiple Choice

What property of silica enables it to be a component of some electronics?

• It can create glass which is used for fiber optics.

• It contains sand used for glass making.

• It has silicon which is a metalloid.

• It has oxygen which transmits electricity efficiently.

Multiple Choice

Central banks use this mineral as currency reserves. The amount of this mineral stored in banks affects the inflation rate of the currency of a country. What is this mineral?

• gold

• silver

• diamond

• iron

Multiple Choice

Diamonds are used as primary material in cutting tools because of its <blank>.

• cost

• clarity

• hardness

• price

Multiple Choice

Which of the following minerals have medical applications?

• Barium and iron

• Quartz & gold

• Silica & Diamond

• Tungsten & molybdenum

Multiple Choice

What could be the reason why some minerals cost more than others?

• They have more uses.

• They are scarce.

• They are non-renewable

• They are hard to mine.

Multiple Choice

How do you separate ore minerals from unwanted rocks near the surface of the earth?

• magnetic separation

• surface mining

• flotation

• underground mining

Multiple Choice

What method of mining involves digging of tunnels to extract the ore deposits?

• magnetic separation

• surface mining

• floatation

• underground mining

Multiple Choice

What type of analysis uses heavy-liquid testing which aims to know the less dense, same density, and denser material from the given samples?

• comminution

• mineralogical analysis

• concentration

• chemical analysis

Match

Match the following type of analysis.

• Chemical analysis

• Mineralogical analysis

• Sieving

uses electric discharge

uses heavy liquid testing

classified according to particle size

• uses electric discharge

• uses heavy liquid testing

• classified according to particle size

Multiple Choice

How do you separate ore minerals from unwanted rocks near the surface of the earth?

• magnetic separation

• surface mining

• flotation

• underground mining

Reorder

Arrange the processing of mineral ores in chronological order.

• Finding minerals

• Mining

• Processing minerals

• Distribution of valuable minerals

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

Mining is the process of extracting useful materials from the earth. How do we make mining sustainable?

• Monitor mining wastes regularly

• Increase tax from mining industries

• Implement and practice responsible mining

• Government should own all mining companies

Multiple Choice

Which of the following statements is TRUE about mining?

• Mining generates a lot of wastes

• Mineral deposits are mined even if it is not profitable

• Surface mining is used to recover ores that are deeper into the earth’s surface

• Chemical analysis uses heavy liquid testing that aims to separate materials based on density