What is the topmost layer of soil that is made up of a bunch of organic remains?
Humus or Horizon O
What is the breaking down of a rock
Weathering
What is deposition?
When sediments are dropped are being eroded.
What are the six physical properties of minerals?
Color, Hardness, Luster, Streak, Cleavage, and Fracture.
The process that describes how rocks change
What is the rock cycle?
What is also known as the bedrock?
The parent material
What type of weathering occurs when the rock is physically broken down?
Mechanical weathering
The transportation of rock, soil, and minerals from one place to another
What is erosion?
Which property is the least useful to test to identify minerals?
Color
What is the full process on how a sedimentary rock is formed?
Weathering, Erosion, Deposition, Compaction, and Cementation
The top layer of soil is ___________ (lighter/darker) and will have ____________ (smaller/larger) particles.
darker; smaller
What type of mechanical weathering is caused by the growth of trees?
Root Weathering?
What is the most common agent of erosion at the very tops of mountains such as Mt. Everest.
Ice/Glaciers
What is a diamond most known for?
Hardest mineral
What type of rock is formed when magma cools above earth surface?
Extrusive Igneous Rock
Which layer contains the majority of the bacteria, fungi, worms, and other organic matter?
Layer X because it is the topmost layer of soil
What type of weathering occurs if a statue turns green over time?
Chemical Weathering
These most commonly help prevent the loss of topsoil.
What are plants?
What type of structure does a mineral have?
Crystal or Crystalline
Gneiss is a rock that has layers from the high temperature and high pressure that is formed beneath the Earth's surface.
Metamorphic Rock.
Soil is a combination of rocks that have been weathered to small pieces and organic matter. Select two examples of chemical weathering that break up big rocks into smaller pieces for soil
A - acid rain causes cracks in large rocks
B - wind blasts sand at bigger rocks
C - a mole breaks up small rocks as it digs
D - plants roots widen cracks in rocks
E - a waterfall dissolves small pieces of mineral
F - an earthquake breaks up large rocks
A. and D.
What happens when iron in a rock begins to oxidize?
What is rusting?
Where is a common location where deposition occurs?
Rivers or beaches
Why would a diamond be a great construction tool for cutting?
It has the highest hardness and only another diamond can scratch it.
Rocks contain fossils.
Rocks are made up of minerals