Currents, Waves, & Tides

What causes tides in the ocean?

• Gravitational pull of the moon and the sun

• Ocean currents

• Underwater earthquakes

• Rotation of the Earth

Tags

NGSS.MS-ESS1-1

Which letter represents wavelength?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

Which letter represents the wave crest?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

Which letter represents the wave trough?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

Stronger winds create __________ waves.

• larger
• smaller

Tags

NGSS.MS-PS4-1

What is represented at point 4?

• wave height
• wavelength
• crest
• trough

Tags

NGSS.MS-PS4-1

What is represented at point 3?

• wave height
• wavelength
• crest
• trough

Tags

NGSS.MS-PS4-1

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

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

Waves carry _____ through the ocean transferred from the wind.

• water

• energy

• salt

• none of these

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Together _______ & ______ control the density of ocean water

• temperature & wind

• Temperature & salinity

• Temperature & gravity

• Salinity & wind