Waves

Question 1

Constructive Waves

Answer 1

Strong Swash

Weak Backwash

Elliptical motion

Question 2

Destructive Waves

Answer 2

Weak Swash

Strong Backwash

Circular Motion

Question 3

Different Types of Waves

Answer 3

Constructive and Destructive Waves

Question 4

Longshore Drift

Answer 4

The movement of material along the shore by wave
action.

Occurs when waves approach thebeachat an angle.

Theswash(waves moving up thebeach) carries material up and along thebeach.

Thebackwash(waves moving back down thebeach) carries material back down thebeachat right angles.

This process slowly moves material along thebeachand provides a link betweenerosionanddeposition.

Question 5

Three Courses of a River

Answer 5

Upper course, Middle Course, Lower Course

Question 6

Formation of Waterfalls

Answer 6

Waterfalls are formed when soft rock erodes and falls into a plunge pool while the hard rock stays forming an overhang. Next, the waterfall goes back upstream and forms a gorge.