20.3 Water Interaction

What occurs when a wave bounces back after hitting a barrier.

• reflection

• storm

• tsunami

• typhoon

Sound waves reflecting off a barrier are called _____

• transform

• echo

• flash

• imitation

As a wave travel, anything floating on the surface of the water moves up and out the way.

• true

• false

Surface waves travel in both transverse and longitudinal motion.

• true

• false

The bending of waves around a barrier or through an opening is called

• manipulation

• alternating

• diffraction

• moveable

Waves usually travel in a curling line

• true

• false

When a wave reaches the edge of an object or an opening in a barrier, it may curve or bend.

• true

• false

Sound waves are relatively long.

• true

• false

Light waves are relatively short.

• true

• false

If the barrier or opening is larger than the wavelength of the wave, there is only a small amount of diffraction.

• true

• false