Transcript coastal kung fu

Coasts are different because of
EROSION
 Coastal
Erosion is the wearing
away of the land by the sea.
 Different types of rocks wear
away at different speeds and in
different ways.
Types of erosion
Hydraulic Action. This is the force of water
hitting the cliff and squeezing air into the
cracks in the rock
 Abrasion. This is the force of the bits of
rock carried in the water blasting into the
cliff.
 Attrition. This is the process of rocks
hitting each other and breaking into
smaller rocks
 Corrosion. This is a chemical reaction
between the sea water and the minerals in
the rocks

The secret art
of Coastal kung fu!
Hydraulic Action: make punching movements with handdemonstrates force of water hitting cliff.
Abrasion: make a throwing gesture with hands like you are
throwing dealing cards very rapidly
Attrition: make 2 fists, and then bring them towards each
other, hitting each other, then open hand to resemble a
stone breaking.
Corrosion: have arms out stretched in front of you, waving
fingers, and moving arms downwards. Sound effect of
something dissolving is needed.