Agree Disagree

1._______ ________

2._______ ________

3._______ ________

5._______ ________

4._______ ________

Most waves in the oceans are caused by wind

The moon has enough gravity that it pulls on the water on Earth

A tide is caused by an underwater Earthquake

The Atlantic Ocean has the largest waves of any ocean.

Electricity can be generated from waves and tides

Chapter 8, sec. 1-2Waves and Tides

I. WavesA. Wave – movement of energy through a substance.

1. Most ocean waves are caused by wind

II. Waves at the ShoreA. Tsunami – large ocean wave caused by an earthquake

http://www.youtube.com/watch?v=SCn6H3JKY4M&feature=fvst

B. Longshore Drift – waves move sand down a beach at an angle (erosion)

http://www.youtube.com/watch?v=8Vrj3Rpyo6s

I. Causes of TidesA. Tide – the daily rise or fall of ocean water on Earth’s coastlines caused by sun & moon

http://www.youtube.com/watch?v=QcbN9SVkqYU

III. Importance of TidesA. Many organisms are dependent on the movement of tides

1. Ex: spreading nutrients

B. Hydroelectric power can be created from the movement of tides

http://www.youtube.com/watch?v=tSBACzRE3Gw&feature=related

http://www.youtube.com/watch?v=rQtMPdLZ2L4&feature=related

Agree Disagree

1._______ ________

2._______ ________

3._______ ________

5._______ ________

4._______ ________

Most waves in the oceans are caused by wind

The moon has enough gravity that it pulls on the water on Earth

A tide is caused by an underwater Earthquake

The Atlantic Ocean has the largest waves of any ocean.

Electricity can be generated from waves and tides