Name______Class______Date______
Skills Worksheet
Directed Reading BChapter 14, Section 3
Section: Waves
anatomy of a wave
Circle the letter of the best answer for each question.
1.What is the highest point of a wave?
a. crest
b. trough
c. wave height
d. wavelength
2.What is the lowest point of a wave?
a. crest
b. trough
c. wave height
d. wavelength
3.What is distance between two crests or troughs?
a. crest
b. trough
c. wave height
d. wavelength
4.What is the vertical distance between a crest and a trough?
a. crest
b. trough
c. wave height
d. wavelength
Directed Reading B continued
wave formation and movement
Circle the letter of the best answer for each question.
5.What is the source of energy that creates most ocean waves?
a. wind c. convection
b. earthquakes d.water
6.How does water move when a wave of energy passes through it?
a. forward
b. backwards
c. into the air
d. in a small circle
specifics of wave Movement
7.What do you need to know to figure out wave speed?
a. wavelength and height
b. wavelength and wave period
c. wave energy and time
d. wavelength
8.What does a wave period measure?
a. speed of each wave
b. energy
c. time between two waves
d. wavelength
types of waves
9.Which of the following can form waves?
a. a full moon
b. impacts by cosmic bodies
c. the seasons
d. sunset
Directed Reading B continued
Deep-Water Waves and Shallow-Water Waves
Read the description. Then draw a line from the dot next to each description to the matching word.
10.waves that move in water deeper than one-half their wavelength11.waves that move in water shallower than one-half their wavelength
12.waves that crest and then crash into the ocean floor
13.the area between the breaker zone and the shore / •
•
•
• / a.breakers
b.deep-water waves
c.shallow-water waves
d.surf
Shore Currents
Circle the letter of the best answer for each question.
14.Which of the following is a subsurface current that pulls objects out to sea?
a. tsunami
b. breaker
c. undertow
d. longshore current
Longshore Currents
15.What forms when waves hit the beach at an angle?
a. longshore current
b. undertow
c. surf
d. pollution
Directed Reading B continued
Open-Ocean Waves
Circle the letter of the best answer for each question.
16.Which wave is a long, rolling wave in the open ocean?
a. tsunami
b. whitecap
c. storm surge
d. swell
17.What do you call the bubbles in the crest of a breaking wave?
a. tsunami
b. whitecap
c. storm surge
d. swell
Tsunamis
18.What is a giant ocean wave formed after an earthquake, volcanic eruption, or landslide?
a. tsunami
b. whitecap
c. storm surge
d. swell
Storm Surges
19.What is a rise in sea level near shore that is caused by strong winds?
a. tsunami
b. whitecap
c. storm surge
d. swell
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology1The Movement of Ocean Water