Unit 7

Wavelength measures the distance on a wave from crest to crest or ____ to _____

• trough
• middle
• peak
• base

This spontaneous ocean surface wave is the product of constructive interference?

• whirlpool
• tidal wave
• rogue wave
• tsunami

Surface waves on the ocean are formed by wind.

• True

• False

The size of a wave formed on open water is determined by what three things?

• fetch, strength, duration of wind

• fetch and strength of wind

• duration and wavelength of wind

• fetch, depth of water, and duration of wind

Why do the waves looked curved?

• They are being split.

• They are being reflected back to sea.

• They are being refracted.

• They are experiencing diffraction.

A seiche wave is

• A wave caused by seismic activity.
• A wave that travels in a straight line.
• A standing wave in a enclosed body of water.

• A wave that occurs only in oceans.

What is a benefit of waves and tides?

• They wash away critical infrastructure

• Marine habitats can be impacted

• Emergency planners can account for them

• They are a source of alternative renewable energy

How are ocean surface currents formed?

• The Coriolis Effect

• The global wind patterns caused by unequal heating of the earth

• Tidal forces

• Density differences among layers in the ocean

What is tidal range?

• How low the water gets during an ebb current.

• How high the water gets during flood current.

• The difference between high and low tide.

• A measure of how fast a tidal current is moving.

Horseshoe crabs are less likely to spawn during neap tide.

• True

• False