Exercises

08/1. Right or wrong?

Kirjaudu sisään lähettääksesi tämän lomakkeen

Mark the correct statements.

8.1a) Exogenous processes gain their energy from solar radiation.
b) Exogenous processes transform the Earth by wearing down its surface, transporting loose material, and by piling up this loose material.
c) The most significant forces of erosion include volcanoes and weathering.

8.2d) Weathering is the breaking down of rock, stone, or mineral.
e) Erosion is the wearing down of rock or soil.

8.3f) The flowing water of a river erodes both the bottom and the sides of the river.
g) Canyons are caused by river erosion.
h) V-valleys are common to the Sahara desert.
i) V-valleys are common to mountainous regions.

8.4j) When a river runs through a flat plain, it begins to meander.
k) An oxbow lake is caused by glacial movement.
l) An oxbow lake is caused by river erosion.

8.5m) A delta can be formed near the mouth of a river.
n) A U-shaped valley can be formed near the mouth of a river.

8.6o) The slow movement of ice can produce U-shaped valleys.
p) The slow movement of ice can produce smooth, glacialized rock.
q) Glacial till is rock material that is transported by ice.

8.7r) The wind is the most important force of erosion on rocky shores.
s) Waves are the most important force of erosion on rocky shores.
t) Loose material can accumulate near shallow shores, creating sandbanks.

8.8u) Winds create mushroom rocks.
v) Waves create mushroom rocks.

Maximum: 22 points.

Kirjaudu sisään lähettääksesi tämän lomakkeen

08/2. Studying erosion shapes

Kirjaudu sisään lähettääksesi tämän lomakkeen



Study the three pictures above. Select the statements that describe the three forms of erosion the best.

A
This formation has been formed as a result of
a) flowing water.
b) strong winds.
c) large waves.

B
This valley has been formed as a result of
a) flowing water.
b) strong winds.
c) the slow movement of ice.

This kind of a valley is called a(n)
d) V-valley.

C
The valley in the picture has been formed as a result of
a) flowing water.
b) strong winds.
c) the slow movement of ice.

This kind of a valley is called a(n)
d) V-valley

Kirjaudu sisään lähettääksesi tämän lomakkeen

08/3. Explain the terms

Kirjaudu sisään lähettääksesi tämän lomakkeen

Explain the following terms in your own words.

a) erosion
b) delta
c) dune

Kirjaudu sisään lähettääksesi tämän lomakkeen

08/5. Written assingment

a) Create groups of 2–4 people.

b) Choose one of the following subjects:
- River erosion.
- Glacial erosion.

c) Create a written presentation on your subject. Return it to the submission folder below.
  • Palauta kuva tai muu tiedosto
  • Palauta merkintä
  • Palauta linkki

Sinulla ei ole tarvittavia oikeuksia lähettää mitään.