Types of Mining
Flashcard
•
Verna Koleosho-Johnson
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Science
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12th Grade
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Hard
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5 questions
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1.
FLASHCARD
Front
Surface Mining
Back
What is it? Removing soil and rock to get minerals.
What is mined? Coal, iron, copper, gold.
How does it work? Big machines dig up the land.
Harmful effects: Destroys forests, removes topsoil, hurts animals.
Activity: Draw a before-and-after picture of land affected by surface mining.
2.
FLASHCARD
Front
Open-Pit Mining
Back
What is it? A big hole is dug in the ground to get minerals.
What is mined? Copper, diamonds, gold.
How does it work? Explosives break rock, then machines remove minerals.
Harmful effects: Damages land, pollutes water.
Activity: Use sand or clay to make a model of an open-pit mine.
3.
FLASHCARD
Front
Strip Mining
Back
What is it? Removing minerals in long, flat strips.
What is mined? Coal, tar sands.
How does it work? Machines remove topsoil in layers.
Harmful effects: Kills plants, pollutes rivers.
Activity: Write a short story about a farmer living near strip mining.
4.
FLASHCARD
Front
Mountaintop Removal
Back
What is it? Blowing up mountains to reach coal.
What is mined? Coal.
How does it work? Explosives remove the top of mountains. Waste is dumped in valleys.
Harmful effects: Destroys mountains, pollutes rivers.
Activity: Make a before-and-after drawing of a mountain.
5.
FLASHCARD
Front
Subsurface Mining
Back
What is it? Digging tunnels underground to get minerals.
What is mined? Gold, zinc, lead, coal.
How does it work? Workers go underground using elevators.
Harmful effects: Dangerous for workers, can pollute water.
Activity: Make a paper model of a subsurface mine.