Unit 8 scinece Flashcards
1
Q
Weathering
A
the breaking down of rocks on earth’s surface into smaller pieces
2
Q
erosion
A
the process of moving sediment from one place to another
3
Q
deposition
A
the dropping or settling of eroded materials
4
Q
sediment
A
sand, bits or rock, fossils, and other matter carried and deposited by water, wind or ice
5
Q
delta
A
landform created by the long-term depositing by sediment.
6
Q
landform
A
a natural feature of the Earth’s surface
7
Q
sand dune
A
a mound of sand formed by the wind, usually along the beach or in a desert
8
Q
Causes of weathering
A
1.Gravity
2.Flowing water (rain, floods, waves)
3.Tree roots
4.Chemicals in rain
5.Sand blowing
6.Animals’ digging
7.Ice wedging