Ocean Waves and Tides

Multiple Choice

Most waves in the ocean are deep water waves known as..

• progressive wind waves

• tsunamis

• tides

• tidal waves

Categorize

Options (5)

surface tension

gravity

wind

gravit

siesmic activity (earthquake)

Is it a generating force or a restoring force?

generating force

restoring force

Labelling

Label the parts of the wave

Drag labels to their correct position on the image

trough

crest

amplitude

wave height

wave length

Match

match the word to its definition

• wave height

• amplitude

• wavelength

• wave period

• frequency

the distance from crest to trough

one half of the wave height

distance between waves

time for 2 waves to pass the same point

how often particles vibrate

• the distance from crest to trough

• one half of the wave height

• distance between waves

• time for 2 waves to pass the same point

• how often particles vibrate

Multiple Choice

How do water particles near the ocean surface move as a wave passes?

• Up and down vertically

• Side to side horizontally

• In a circular motion

• Stationary

Multiple Choice

When a wave reaches the shore, what happens to its wavelength and height?

• Wavelength decreases, height stays the same

• Wavelength increases, height decreases

• Wavelength shortens, height increases

• Wavelength lengthens, height decreases

Multiple Choice

What is the primary source of energy that generates most ocean waves?

• earthquakes
• wind
• asteriods falling in the ocean
• volcanic eruptions

Multiple Choice

Which statement correctly describes the motion of water particles due to the action of waves?

• they travel from one crest to another
• they move in opposite direction of the wave
• they rise and fall in a circular motion
• they move back and forth

Multiple Choice

Tides are caused by

• strong winds that blow over ocean waters.
• the interaction of Earth, the moon and the sun.
• the shifting of the plates on the ocean floor.
• variations in the salinity of ocean water

Multiple Choice

Which type of wave is generated by gravity?

• Capilary

• Tide

• Chop

• Swell

Multiple Choice

Which type of wave is generated by earthquakes?

• tsunami

• Tide

• Chop

• Swell