Ocean Waves

1
Ocean Waves

• Waves- the periodic up down movement of water.
• Crest- the highest point of a wave.
• Trough- the lowest point of a wave between two
  crests.

2
Ocean Waves

• Wave height- the vertical distance between the
  cresttrough of a wave.
• Wave period- the time it takes for one complete
  wave length to pass a given point.
• Wave speedwave length/period.

3
Wave energy

• The slightest breeze creates ripples upon the
  ocean surface.
• The more energy transferred the greater the wave.
• However, wind barely blows in the same direction
  for long.

4
Wave Energy

• Fetch- the distance the wind can blow across open
  water.
• White caps- crest of a wave that is blown off by
  high winds.

5
Wave Energy

• Breakers- foamy mass of water that washes onto
  the sea shore

6
Questions

• What is a wave?