Weathering
The breaking down of rock on Earth's surface into smaller pieces.
What is weathering
Wind and water can carry sand and silt to new locations. True or False
What is True
The sudden movement of rocks and soil down the side of a hill because of gravity and rain.
What is a landslide
This is another name for the curve in a river
What is a meander
This is the force that moves glaciers
What is gravity
True or False: Physical weathering just breaks things apart and chemical weathering changes the composition forever
What is True
When rainwater seeps into cracks in rocks and __________, it expands and causes the rock to split apart.
What is freezes
A large deposit of sand by the wind
What is a sand dune
A growing pile of deposited sediment at the mouth of a river
What is a delta
Scratches made in the bedrock by glaciers.
What are striations
The removal and transportation of materials by natural agents such as wind and running water
What is erosion
Weathering over long periods of time breaks rock into ____________ pieces. (larger or smaller)
What is smaller
The primary force behind all mass movements.
What is gravity
What type of valleys do rivers create
What are v-shaped valleys
Bowl shaped formations where valley glaciers begin to form
What are cirques
When oxygen reacts with minerals changing them into iron oxide
What is oxidation
Fast flowing rivers can pick up and carry rocks (far/short) distances.
What is far
The pile of rock fragments at the base of a cliff
What is talus
The area drained by rivers and its tributaries
What is the watershed
This is the best environment for chemical weathering to occur (both temperature and moisture)
What is warm and wet
Larger, more dense and more ________ sediments settle faster to the bottom of still water
What is round
A current that runs parallel to the coastline
What is a longshore current
Where does the river move the quickest within a meander?
What is the outside of the curve
These are large boulders transported by glaciers
What are erratics