Waves, Currents, & Tides

Which part of a wave is called the trough?

• The highest part

• The lowest part

• The middle part

• The end part

What is the term used to describe the vertical distance between the crest and the trough?

• Wave length

• Wave period

• Wave height

• Wave frequency

Tags

NGSS.MS-PS4-1

Which of the following best describes the 'crest' of a wave?

• The highest point of the wave

• The lowest point of the wave

• The distance between two troughs

• The vertical distance from trough to crest

What two factors affect the density of the ocean, leading to the formation of deep currents?

• Wind and sunlight

• Temperature and salinity

• Marine life and pressure

• Waves and tides

Which type of current is driven by wind and has faster movement?

• Surface current

• Deep current

• Both

• Neither

Tags

NGSS.MS-ESS2-6

Which type of current is driven by differences in temperature and salinity?

• Surface current

• Deep current

• Both

• Neither

Tags

NGSS.MS-ESS2-6

What causes tides?

• The rotation of the Earth on its axis

• Wind over the ocean's surface

• The gravitational pull of the moon and the sun

• Changes in ocean temperature

Tags

NGSS.MS-PS2-4

When are tides highest?

• during the moon's first quarter phase

• when the sun, Earth, and the moon are nearly in a line

• during the moon's third quarter phase

• when the moon is at a right angle to the sun

Tags

NGSS.MS-ESS1-1

A tide with the LEAST difference between low and high tide is called a

• spring tide

• neap tide

• rip tide

• monthly tide

A large stream of moving water that flows through the oceans is called a(an)

• current

• tsunami

• tide

• undertow

Tags

NGSS.MS-ESS2-6