Chapter 4 coasts 4.1 & 4.2

• Aardrijkskunde
• Middelbare school
• mavo, havo, vwo
• Leerjaar 2

Chapter 4

4.1 What causes waves and tides?

4.2 What work do the waves do?

When is the wave the largest?

1. Strong wind & small fetch
2. No fetch & weak wind
3. Large fetch & strong wind
4. Long fetch

What does prevailing wind mean?

1. a wind from the direction that is predominant or most.
2. wind causing big waves
3. wind that causes a tsunami
4. a preference

The prevailing wind in the United Kingdom and The Netherlands blows from...

1. the north
2. the south west
3. the south
4. the west

Waves are one of the most important features of the coastline. Rearrange the phrases

below to make a flow diagram to show how waves create a beach.

Pick the correct spot

Out at sea, the waves roll like this. 

If the backwash has more energy than the uprush, the waves eat the land. 

In a gale they can be over 30 m high

But at the shore they break

uprush

backwash

Waves are caused by the wind

What is the point of a groyne?

1. It's a resting spot for animals
2. Easy way to take trash out of the water
3. It's there to stop a tsunami
4. Stop the beach from being carried away

High tides occur about every ......... ,
with low tides in between. The drop
in sea level from high to low tide is
called the tidal range.

1. 12,5 hours
2. 8 hours
3. 2 hours
4. 24 hours

swash

pebbles

backwash

& 

uprush

beach

0

Chapter 4

4.2 What work do the waves do?

Glossary

Weathering - The breaking down of rock; it is caused mainly by the water. 

Erosion - The wearing away of rock, stones and soil by rivers, waves, wind of glaciers. 

Transport - The carrying away of material by rivers, waves, the wind or glaciers

Erosion

Weathering

Which processes happened at letters A, B and C?

Erosion

Transportation

Deposition

A

B

C

To rub/rubbing 

Wrijven 

To hit/hitting

Raken

More of this in class 3. Not for now. Stick to the 2 Geo. book. 

Weathering by hot daylight and cold nights

and freezing en defrosting of water. 

Weathering by acids and chemical processes.

Weathering by plants.

Erosion by ice

Wind erosion

Water erosion

Please fill in the gaps:
Waves continually carry material on and off the land. If they carry more ... than ... a beach forms!

swash

pebbles

backwash

& 

uprush

beach

Paragraph 3

00:26

What type of Geo landform did you just see in this advertisement?

1. A cave
2. An arch
3. A stack
4. A stump

01:15

What type of Geo landform did you just see in this movie?

1. A cave
2. An arch
3. A stack
4. A stump