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Marine Science Unit 4

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

Waves are Started by Disturbances Called

a)

Swells

b)

Tsunamis

c)

Rogue Waves

d)

Generating Forces

2.

Earthquakes are a generating force for what kind of wave?

a)

Swells

b)

Capillary Waves

c)

Tsunamis

d)

Rogue Waves

3.

The Primary generating force that creates waves is/are:

a)

Landslides

b)

Seismic Events

c)

Wind

d)

Meteor Impacts

4.

When wind blows across the water's surface it creates friction which causes a drag along the water and forms small waves known as:

a)

Capillary Waves

b)

Rogue Waves

c)

Spash Waves

d)

Swells

5.

True/False: Tsunamis can travel very long distances

a)

False

b)

True

c)

Neither of the above

6.

True/False: Waves can carry energy indefinitely

a)

True

b)

False

c)

N/A

d)

N/A

7.

Which of the following causes the water surface waves to go back to an undisturbed state?

a)

Generating Force

b)

Splash Force

c)

Kinetic Force

d)

Restoring Force

8.

Which of the following options make up the two disturbing forces? (Multiple Answers)

a)

Capillary Action

b)

Surface Tension

c)

Adhesion

d)

Gravity

9.

Of the two restoring forces, which is more powerful?

a)

Gravity

b)

Surface Tension

10.

True/False: Waves Transport Water from one point in space to another.

a)

True--waves transport water

b)

False--waves only transport energy

11.

As a wave travel through the water it moves water particles up and down in a motion called:

a)

Orbital Motion

b)

Capillary Motion

c)

Backwards Motion

d)

Celerity Motion

12.

The highest point of a wave is called the:

a)

Trough

b)

Amplitude

c)

Wavlength

d)

Crest

13.

The height of wave is the distance between the crest and the:

a)

Next adjacent crest

b)

Trough

c)

Period

d)

H2o Molecule

14.

Wave Speed is determined by the: (2 Answers)

a)

Period

b)

Frequency

c)

Temporal Displacement

d)

Wavelength

15.

How do you compute wave frequency?

a)

Wavelength Divided By Wave Period

b)

Wavelength Multiplied by Wave Period

c)

Crest Height Subtracted by Trough Distance

d)

Square Root of Frequency Value.

16.

Wave Cancellation Occurs When:

a)

Wavelength is equal to Wave Period

b)

The crest of one wave meets the trough of a another wave.

c)

The Frequency is equal to the amplitude

d)

When temporal displacement is equal to physical displacement

17.

When two the crest of two waves collide, they add together to produce a higher wave. This is known as:

a)

Wave Cancellation

b)

Wave Displacement

c)

Wave Reinforcement

d)

Intermediate Displacement

18.

True/False: There are two broad categories of waves:

(1) Deep-Water Waves

(2) Shallow-Water Waves

a)

True

b)

False

c)

None of the Above

19.

Whether a wave is considered deep water or shallow water depends on the: (Multiple Answers)

a)

Temporal Displacement

b)

Amplitude

c)

Depth of the Water

d)

Wavelength

20.

True/False: A wave can transition from being a deep-water wave to a shallow water wave depending on the depth of the water:

a)

True

b)

False

c)

None of the Above

21.

Waves that are in between deep water-water and shallow-water waves are called:

a)

Temporal Waves

b)

EM Waves

c)

Intermediate Waves

d)

Alpha Waves

22.

Which of the following is a type of Deep-Water Wave?

a)

Splash Waves

b)

Progressive Wind Waves

c)

Gravitational Waves

d)

Temporal Waves

23.

Waves are Refracted as they move from _________ to ________

a)

The Continental Shelf to the Abyssal Plain

b)

Deep-Water to Shallow-Water

c)

Shallow-Water to Deep-Water

d)

None of the Above

24.

What is Longshore Transport? (2 correct answers)

a)

The process of Wave degeneration along a shoreline

b)

The opposite of beach erosion.

c)

Particles of water transported towards the shore and down the beach in the direction of the waves.

d)

Is responsible for moving sand and sediments down a beach.

25.

What are Tsunamis?

a)

Progressive Waves generated by Wind

b)

Rogue Waves generated by Storm Events

c)

Large Waves generated by seismic events.

d)

Large Waves generated by tidal forces.

26.

True/False: All seismic events that occur on the ocean floor generate some form of Tsunami action.

a)

True

b)

False

27.

Scientists use which of the following instruments to predict, detect, and track tsunamis: (Check all that apply).

a)

Computer Models

b)

Pressure Sensors Across the ocean

c)

Temporal Incursion Devices

d)

None of the Above

28.

Not all waves form at the boundary of air and water. Waves that form under the surface are called:

a)

Celerity Waves

b)

Splash Waves

c)

Internal Waves

d)

Wind-Driven Waves

29.

Standing Waves Do not progress across open water because they form in enclosed bodies of water.

a)

True

b)

False

30.

Which of the following are responsible for the Earth's Tides (Check all that Apply0

a)

Gravitational Pull of the Earth

b)

Gravitational Pull of the Sun

c)

Gravitational Pull of the Moon

d)

Gravitational Pull of Stranglet Particles

31.

The Sun has a greater gravitational than the moon but is 400 times farther away. Therefore, the effect of the sun on the tides is:

a)

1/4 the strength of the Moon's

b)

80% the strength of the Moon's

c)

1/2 the strength of the Moon's

d)

20% the strength of the Moon's

32.

When the Sun and the Moon are lined up with one another, their effects add together. (Happens at Full Moons). This produces what kind of Tide?

a)

Neap Tides

b)

Displacement Tides

c)

Solar Tides

d)

Spring Tides

33.

When the Sun and Moon are at Right Angles, their effects partially cancel one another, These tides are known as:

a)

Temporal Tides

b)

Neap Tides

c)

Spring Tides

d)

Summer Tides

34.

Which if the Tides Result in the greatest Surge of water?

a)

Spring Tides

b)

Neap Tides

35.

True/False: Spring Tides only occur in the Spring.

a)

True

b)

False

36.

What is the length of a full Tidal Cycle?

a)

31 Days

b)

14 Days

c)

17.5 Days

d)

29.5 Days

37.

Which of the following is a Tidal Pattern? (Check all that apply)

a)

Diurnal

b)

Annual

c)

Mixed Semidiurnal

d)

Semi Diurnal

38.

Semi Diurnal Tides are Tides that occur:

a)

One High and One Low Tide: Once a Day

b)

One High Tide: Once a Day

c)

One Low Tide Twice a Day

d)

One High and One Low Tide: Twice a Day

39.

Diurnal Tides are Tides that occur:

a)

One High Tide and One Low Tide: Once a Day

b)

Two High Tides and Two Low Tides: Twice a Day

c)

Only High Tides: Once a Day

d)

Only Low Tides Once a Day

40.

Tides can Produce Waves that can be up to 8 m high. These waves are called:

a)

Ebb Tides

b)

Flood Tides

c)

Tidal Compression Waves

d)

Tidal Bores