6th - Wave Action

Page 381 - Winds that blow over longer distances build up bigger ________.

• whirlpools

• waves

• ripples

• tides

Page 386 - Longshore drift is the movement of sand along a(n) ________.

• island

• desert

• river

• beach

Page 384 - As waves approach the shore, wave height ________, and wavelength ________.

• increases, decreases

• decreases, increases

Page 385 - Waves that form as a result of earthquakes beneath the ocean floor are called ________.

• riptides

• tidal waves

• tsunamis

• sea swells

Page 383 - Only a wave's ________ moves toward shore, not the water itself.

• vitality

• power

• energy

• intensity

Page 386 - A backward rush of water called a(n) ________ current can carry a swimmer out into deep water.

• rip

• tidal

• cross

• under

Page 382 - The horizontal distance between wave crests are called ________.

• wave height

• trough

• wavelengths

• frequency

Page 381 - What causes most waves to form?

• Earth's rotation

• boats

• rain

• wind

Page 387 - Which is a human-made structure that reduces beach erosion?

• sandbar

• groin

• barrier beach

• sand dune

Page 383 - Which term best describes the path of movement of water particles in a wave?

• circular

• straight

• sinking

• rising