Earth Changes
Which type of weathering: rock remains chemically the same, but is broken into smaller pieces
Mechanical
Which one of these is not Erosion?
eliminates rock material
deposits rock material
generates new rock material
transports rock material
Generates new rock material
What is an atoll?
A coral reef surrounding a volcanic island.
What forms as a result of the erosional processes of weathering? Select all that apply.
Lava
Sediment
Soil
Sand
Which of these is not a process of mechanical weathering?
potholes
dissolving of limestone which makes caves
ice
tree roots
Dissolving of limestone which makes caves
What type of process are caves formed from?
Vertical subsurface pressure
Chemical Erosion
Vertical movement at a fault line
Mechanical erosion
Chemical Erosion
Playas are found in?
Deserts
What does sand grab onto to help form beaches?
Seaweed
Particles of sand or dust rubbing across the surface of rocks is called:
Abrasion
If bedrock has been partially weathered then what is it known as?
Regolith
Bedrock
Guyot
Batholith
Regolith
What is sand made from?
Quartz
Describe entrenched meanders...
Curves in canyons formed by a downcutting stream
Limestone is formed from:
calcium carbonite
What forms as a result of the chemical weathering of feldspar?
Sand grains
Clay minerals
Limestone
Quartz
Clay Minerals
The part of a soil profile that is made up of partly weathered rock is the:
subsoil
regolith
bedrock
topsoil
Regolith
Cave formation from the acid in water dissolving limestone is an example of what type of weathering?
Chemical
Where are meanders are likely to be found?
By rivers
One characteristic of a lagoon is often:
concentrated salt
Sedimentation is least likely to occur:
in a sand dune
on a mountainside
in a lake
on a sandbar
Mountainside
What is the depositing, or placing, of eroded material.
Sedimentation
Name one place sedimentation takes place
flood plain of a river, in a lake, at the mouth of a river, on a sandbar, or in a sand dune.
What are the two types of erosion?
Deflation and Abrasion
What are Bioherms made of? (3)
algae, corals, and shells
Which of these is not a process of chemical weathering?
cracked sidewalk
wearing away of the inscriptions on a NewYork City monument
rusting nail
dissolving of limestone which makes caves
Cracked sidewalk
Mudcracks result from:
intrusion of magma
cooling of igneous rock
drying of lake beds
pirating of streams