quiz on ores

What is the first step in obtaining ore minerals?

• mining

• smelting

• processing

• prospecting

All minerals can be considered ores.

• true

• false

Which type of mining is used when the ore is located near the surface?

• underground mining

• shaft mining

• open-pit mining

• tunnel mining

What process involves heating ore to extract the metal?

• refining

• drilling

• smelting

• crushing

Processing ore includes crushing and separating the valuable parts from waste

• true

• false

Which of the following is a major environmental concern caused by mining?

• air purification

• habitat destruction

• reforestation

• ocean current change

After processing, metals are transported and used to make:

• natural gas

• wooden furniture

• plastic bottles

• electronics and tools

What is the purpose of refining ore minerals?

• to find more ores

• to make the ore heavier

• to remove impurities and extract metal

• to change its color

Recycling helps reduce the need for mining new ore minerals.

• true

• false

Who is responsible for identifying and locating ore deposits underground?

• carpenter

• geologist

• chemist

• teacher