Mining Review

The type of mining in which ore is removed in layers by removing the soil that is on top

• open pit mining

• strip mining

• mountain top removal mining

• subsurface mining

This form of mining uses tunnels and shafts to bring ore to the surface

• surface mining

• subsurface mining

a naturally occurring solid material from which a metal or valuable mineral can be profitable extracted

• minerals

• ore

• oil

• water

Tags

NGSS.MS-ESS3-1

This rock started as molten magma. What type of rock is this?

• sedimentary

• metamorphic

• igneous

Tags

NGSS.MS-ESS2-1

Sedimentary rock can only turn into metamorphic rocks

• true

• false

Limestone is a sedimentary rock. During the rock cycle, limestone is changed into marble, a metamorphic rock. The processes that act on limestone and change it into marble are

• weather and erosion

• compacting and cementing

• heat and pressure

• melting, cooling and hardening

According to the diagram, what process is shown by letter A?

• weathering & erosion

• compaction & cementation

• heat & pressure

• melting & cooling

Mining which grade of ore leads to lower costs and higher profits?

• high grade

• low grade

Convergent boundaries are those in which tectonic plates...

• move away from each other

• move towards each other

• move sideways past each other

• move both towards and away from one another

Tags

NGSS.MS-ESS2-3

What is a subduction zone?

• where plates move into each other

• where plates move past each other

• where plates move away from each other

• where plates slip under another plate

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1