Waves

Question 1

What is a wave?

Answer 1

A wave is a disturbance that transfers energy through matter or space.

Question 2

What are the two main types of waves?

Answer 2

Transverse waves and longitudinal waves.

Question 3

True or False: Waves can only travel through solids.

Answer 3

False.

Question 4

Fill in the blank: The energy carried by a wave is called ______.

Answer 4

wave energy.

Question 5

What is wave energy?

Answer 5

Wave energy is the energy produced by the movement of waves on the surface of water.

Question 6

Name one way wave energy can be harnessed.

Answer 6

Through wave energy converters.

Question 7

What is erosion?

Answer 7

Erosion is the process by which soil and rock are removed from the Earth’s surface by natural processes.

Question 8

True or False: Erosion can only occur on land.

Answer 8

False.

Question 9

What role do waves play in erosion?

Answer 9

Waves contribute to erosion by breaking down coastlines and transporting sediment.

Question 10

What is hydraulic action?

Answer 10

Hydraulic action is the process of erosion caused by the force of water hitting against a surface.

Question 11

Multiple Choice: Which of the following is NOT a factor that affects wave energy? A) Wind speed B) Water depth C) Temperature D) Wave frequency

Answer 11

C) Temperature.

Question 12

What is the primary cause of wave formation?

Answer 12

Wind blowing across the surface of the water.

Question 13

Fill in the blank: The height of a wave is called its ______.

Answer 13

amplitude.

Question 14

What is the crest of a wave?

Answer 14

The highest point of a wave.

Question 15

What is the trough of a wave?

Answer 15

The lowest point of a wave.

Question 16

True or False: The speed of a wave is affected by the medium through which it travels.

Answer 16

True.

Question 17

What is longshore drift?

Answer 17

The movement of sediment along the coastline caused by wave action.

Question 18

Multiple Choice: Which type of wave is characterized by the movement of particles perpendicular to the direction of wave travel? A) Longitudinal B) Transverse C) Surface D) Tidal

Answer 18

B) Transverse.

Question 19

What is a tsunami?

Answer 19

A series of ocean waves with very long wavelengths caused by large disturbances such as earthquakes.

Question 20

Fill in the blank: The process of breaking waves is called ______.

Answer 20

wave breaking.

Question 21

What does wave refraction refer to?

Answer 21

The bending of waves as they approach the shore at an angle.

Question 22

True or False: Wave energy can be converted into electricity.

Answer 22

True.

Question 23

What is sediment?

Answer 23

Particles of rock and soil that are transported by water, wind, or ice.

Question 24

What is the role of wave energy in sediment transport?

Answer 24

Wave energy helps to move and shape sediment along coastlines.

Question 25

Fill in the blank: The measure of how far a wave travels is called its ______.

Answer 25

wavelength.

Question 26

What is the impact of human activities on coastal erosion?

Answer 26

Human activities can accelerate coastal erosion through construction and pollution.

Question 27

Multiple Choice: Which of the following is a consequence of erosion? A) Soil formation B) Habitat destruction C) Increased biodiversity D) None of the above

Answer 27

B) Habitat destruction.

Question 28

What is wave reflection?

Answer 28

The bouncing back of waves when they hit a solid barrier.

Question 29

True or False: Hydraulic action can occur in both freshwater and saltwater environments.

Answer 29

True.

Question 30

What is the significance of wave energy in renewable energy production?

Answer 30

Wave energy is a sustainable source of energy that can reduce reliance on fossil fuels.

Question 31

Fill in the blank: The process of waves eroding rock is often referred to as ______.

Answer 31

abrasion.

Question 32

What is the difference between constructive and destructive waves?

Answer 32

Constructive waves build up beaches, while destructive waves erode them.

Question 33

Multiple Choice: Which factor does NOT influence wave height? A) Wind speed B) Fetch C) Water temperature D) Duration of wind

Answer 33

C) Water temperature.

Question 34

What is a rip current?

Answer 34

A strong, narrow current that flows away from the shore.

Question 35

True or False: Erosion is always a negative process.

Answer 35

False.

Question 36

What is a barrier island?

Answer 36

A coastal landform that protects the mainland from wave action.

Question 37

Fill in the blank: ______ action is the primary mechanism of coastal erosion.

Answer 37

Wave.

Question 38

What does the term 'fetch' refer to?

Answer 38

The distance over water that the wind blows to create waves.

Question 39

Multiple Choice: Which of the following is NOT a method of coastal protection? A) Sea walls B) Groynes C) Beach nourishment D) Deforestation

Answer 39

D) Deforestation.

Question 40

What is the primary force behind wave motion?

Answer 40

Wind.

Question 41

True or False: All waves carry the same amount of energy.

Answer 41

False.

Question 42

What is a tidal wave?

Answer 42

A wave caused by the gravitational pull of the moon and sun, often associated with tides.

Question 43

Fill in the blank: The energy of a wave is proportional to the square of its ______.

Answer 43

amplitude.