Most ocean waves form as a result of _______.

• seismic events

• winds blowing across the ocean surface

• landslides

• density differences between water layers

• Earth's rotation

An internal wave might form _______.

• at a density boundary within the ocean

• at the boundary between the atmosphere and the ocean

• at the boundary between the ocean and the seafloor

• close to shore as it moves into shallow water

• only as a result of tidal activity

_______ occur only in the upper part of the ocean.

• Sea waves

• Internal waves

• Surface waves

• Body waves

• Splash waves

Which of the following causes ocean tides to occur?

• Moon and sun

• Earthquakes

• Volcanoes

• Landslides

• Wind

Tidal movement, turbidity currents, wind stress, and even passing ships at the surface create _______ waves.

• internal

• ocean

• splash

• tidal

• turbidity

The uplift or downdropping of large areas of the sea floor creates _______ waves.

• internal

• ocean

• tsunami

• splash

• tidal

Waves at the ocean surface are ________ waves.

• longitudinal

• orbital

• reflective

• refractive

• transverse

________ waves also known as interface waves.

• Longitudinal

• Orbital

• Reflective

• Refractive

• Transverse

The ratio of wave height to wavelength is called the ________.

• frequency

• period

• wave height

• wavelength

• wave steepness

The time between two successive waves is called the ________.

• crest

• frequency

• height

• period

• trough