
Erosion by Wind & Waves
Presentation
•
Science
•
9th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Tammy Hagan
Used 77+ times
FREE Resource
4 Slides • 6 Questions
1
Kangaroo Island, Australia
Rocks shaped by wind and waves
2
Two ways wind erodes land are saltation and deflation
Saltation is when particles are picked up by the wind and skip and bounce along
Deflation is when fine, dry soil particles are blown away
Two types of wind deposits are dunes and loess
Dunes are mounds of wind-deposited sand (most common)
Loess is a thick deposit of yellowish, fine-grained sediment
3
Multiple Choice
The best known and most common wind deposits are called
deflations
saltation
dunes
loess
4
Phoenix, Arizona
August 2020
BIG DUST STORM
5
Multiple Select
WIND EROSION
The two ways wind erodes land are ____
(Check all that apply)
dunes
deflation
loess
saltation
migration
6
Multiple Select
The two types of wind deposits are ____
(check all that apply)
dunes
saltation
deflation
loess
haboob
7
Shoreline features include: sea cliffs, sea caves sea arches sea stacks terraces, and beaches
Deposition of sediments form beaches
Coastlines are constantly changing as sea level changes
Barrier islands are long, narrow offshore ridges of sand (examples include Nags Head, Santa Rosa Island, FL)
Human activities, including development and pollution, threaten coastal resources and habitat
8
Multiple Choice
When the cave breaks through the headland it forms a natural ____.
(click on the picture to enlarge)
cave
arch
headland
stack
9
Multiple Choice
Sediment deposits (created by waves) along the shore are called
beaches
sea arches
headlands
sea cliffs
10
Multiple Select
What threatens coastal resources and habitats?
(check all that apply)
global warming
pollution
weather
wind
development
Kangaroo Island, Australia
Rocks shaped by wind and waves
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