Weathering
The type of chemical weathering when chemicals mix with water in the atmosphere and rain down on earth materials, which cause certain minerals to react and break down.
Acid rain
The three things that can carry soil or sediment.
Wind, water, ice
When sediment settles down in a new place, it is called _________________.
Deposition
A rock type that is rough and looks like it has grains of sand in it. It does not react with acid.
Sandstone
What rock layer in the Grand Canyon is Shale?
Rock Layer 7
When roots break apart rocks by growing inside the cracks in rocks.
Root wedging
You find some soil that is mostly made of clay and silt, but no sand. How might this soil have formed?
a. Wind blew all the sand away, leaving behind the silt and clay particles.
b. Silt, clay, and organic material settled out of slow-moving water.
c. Slow-moving water carried the sand downstream and left behind the silt and clay.
The process that breaks down rocks into smaller bits of the same rock
Weathering
A pure substance found in rocks. These can be used to identify specific types of rocks.
Minerals
Look at the image on the board
10 and 9
The name of breaking down rocks and earth materials through rubbing or hitting each other
Abrasion
A bunch of sediment deposited at the mouth or bottom of a river entering a basin.
Delta
This is an effect of erosion where different sized sediments travel different distances.
Sorting
This rock type reacts with acid by fizzing, and can have seashells and other aquatic life fossils found inside.
Limestone
The base or bottom layer of rock on Earth (think of Minecraft)
Bedrock
Frozen water expanding in cracks in rocks and slowly prying the rock apart is an example of what type of physical weathering?
Freezing (Ice wedging)
When there is an uneven amount of erosion on rocks due to the different levels of resistance to erosion
Differential erosion
A landform defined by a flat area of land that has been lifted up by Earth's plates moving.
Plateau
This rock type was formed when mud and plant material was compressed over time. It does not react with acid.
Shale
What rock layers are sandstone in the Grand Canyon?
Layer 6 and Layer 8
The type of weathering that caused karst topography to form in Kentucky and Tennessee.
Chemical weathering
Look at the image on the slide
Location X
A depression in the ground where water collects. Sediment that is eroded by water also will settle here.
Basin
The mineral that reacted when an acid was applied to it during our acid tests.
Calcite
Look at the image on the board
Rock layer 5