Bellringer 53 ES

Most of the ocean's surface waves are caused by the wind.

The size of the wave is determined by the wind.

How far the wind pushes this wave is called:

(I play this with my dog everyday)

• Fetch

• Current

• Stream velocity

The water particle in waves move in a circular path, what happens to the circular pattern or wave pattern the lower you go in the water?

• increases

• lowers

• stays the same

Tags

NGSS.MS-PS4-1

Label the parts of the wave

a

b

c

Wavelength

Crest

Trough

Tags

NGSS.MS-PS4-1

When a wave reaches shallow water along the shore, ​ (a)   causes the bottom of the wave to move ​ (b)   than the crest, causing the ​ (c)   to fall over the trough resulting in ​ (d)   .

• friction
• slower
• crest
• surf

Longshore currents are created when waves approach the shore at an ________ and break. This action pushes water toward the shore, which then flows __________ to the shoreline.

(After swimming in the ocean for awhile you may look up at the beach and your towels may not be straight in front of you)

fill in the blanks

• Angle, Parallel

• Parallel, angle

• Straight ahead, and rebound straight

__________________ are created when waves approach the shore at an angle and break. This action pushes water toward the shore, which then flows parallel to the shoreline

• Riptide

• Surf

• Longshore current