Unit 7 Waves/Tsunamis

A wave train --

• group of waves moving together in the same speed & direction

• is a group of waves coming together from opposite directions

• only occurs in shallow water

• only occurs in fully-developed seas

Tags

NGSS.MS-PS4-1

The three factors that have the greatest effect on wave height in the ocean are:

• wavelength, wind direction, and moon phase

• wind speed, wind duration, and fetch

• wind speed, wind direction, and wind duration

• wind speed, wavelength, and wind direction

The term “swell” refers to

• even & regular waves moving beyond the area of generation

• choppy waves appearing within a storm

• the crest of a tsunami

• periods of high tide

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following statements is FALSE?

• water molecules move forward & the energy of the wave orbits

• energy of the wave moves forward & the water molecules orbit

• Most ocean waves are caused by wind.

• depth of water disturbed by a wave is = to 1/2 wavelength

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Waves that do NOT interact with the sea bottom are called ________________

• tsunamis

• shallow-water waves

• breakers

• deep-water waves

Tags

NGSS.MS-PS4-1

The Beaufort Wind Scale describes

• The wind direction

• Appearance of the sea under different wind conditions

• How long the wind has been blowing at a specific location

• The relative strength of hurricanes

The highest average wave heights are found in

• Arctic Ocean

• Mediterranean Sea

• Gulf of Mexico

• Southern Ocean

Tags

NGSS.MS-PS4-2

Why waves tend to line up parallel to a beach regardless of which direction they were coming in

• wave refraction

• wave diffraction

• wave absorption

• wave reflection

Tags

NGSS.MS-PS4-2

When waves bounce off a hard surface it is known as

• Wave Reflection

• Wave Refraction

• Wave Interaction

• Wave Diffraction

Tags

NGSS.MS-PS4-2

Tsunamis are caused by all of the following EXCEPT

• earthquakes

• volcanoes

• meteorites

• wind

Tags

NGSS.MS-ESS2-3