Rocks and Minerals
Rock and Mineral Uses
Types of Rocks
Renewable and Nonrenewable Resources
Soil
100
What is the hardest mineral on Earth?
1. Quartz
2. Diamond
3. Topaz
Diamond!
100
Surface mining takes place where?
On the Earth's surface.
100
What do we call a naturally made, hard substance of sediment and minerals?
A ROCK!
100
What is a non renewable resource?
Resources that we can't make quickly when we use them.
100
What are the three things that soil is made from?
Rocks
Worms
Bugs
Minerals
Decaying Matter
Rocks, minerals, and decaying matter.
200
What property can we used to identify rocks based upon how shiny they are?
1. Streak
2. Hardness
3. Luster
Luster!
200
Subsurface mining takes place where?
Underground.
200
What are igneous rocks made from?
a. Cooled magma
b. Ocean rocks
Cooled magma.
200
What is a renewable resource?
Resources that we can make quickly over and over again.
200
What is a decomposer?
Something that helps break down dead stuff.
300
What property helps us identify a rock or mineral based on the dust color that it leaves behind when scraped?
1. Streak
2. Hardness
3. Color
Streak!
300
What are two things that humans mine for?
300
True or false?
"Rocks cannot be destroyed, they are only recycled into new types of rocks."
True!
300
What are three examples of NON renewable resources?
OIL, NATURAL GAS, and __ __ __ __!
COAL!
300
What are we trying to help in soil conservation?
The ___________ of the soil.
The health of the soil.
400
What property of rocks and minerals tells us how closely packed together the molecules are?
1. Mass
2. Density
3. Weight
Density!
400
Why can surface mining be bad for the environment?
Surface runoff and fumes can pollute the air and soil around it.
400
Erosion is when rocks are moved to another location by forces such as?
Water, wind, ice, gravity.
400
True or false: NON renewable resources take hundreds of millions of years to develop.
TRUE
400
What horizon contains the most bedrock?
O-Horizon
A-Horizon
B-Horizon
C-Horizon
C-Horizon!
500
What is the difference between cleavage and fracture?
Cleavage is when a rock breaks neatly, and a fracture is a messy break.
500
What tools have been used to make subsurface mining safer?
Masks, proper uniforms, water use to cut dust, safer machines, etc...
500
What is the difference between cementation and compaction?
Cementation is when the rocks become fused or "glued" together. Compaction is when they are shoved against each other by pressure.
500
What is one positive of renewable energy and one negative about renewable energy?
(responses will vary)
500
What helped to cause the Dust Bowl during the Great Depression in the 1920s?
(responses will vary)