Waves Tides and Currents

Surface ocean currents are generated mostly by

• the Coriolis effect
• water density
• tides
• wind

Tags

NGSS.MS-ESS2-6

The Gulf Stream current makes the waters of North Atlantic

• cooler
• warmer
• more dense
• less nutrient rich

Tags

NGSS.MS-ESS2-6

How do warm-water currents affect the coastal areas along which they flow?

• Cool the coast
• Warm the coast
• Cause snow to fall
• Cause higher tides

Tags

NGSS.MS-ESS2-6

Which of the following can be caused by El Nino~?

• Flash floods
• Mudslides
• Droughts
• All of the above

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

In what direction does an undertow flow?

• same direction as the wave
• right angles to the wave
• parallel to the wave
• opposite direction as the wave

Tags

NGSS.MS-PS4-2

What name is given to large, destructive waves caused by underwater earthquakes and volcanoes?

• Spring tide
• Longshore current
• Tsunami
• Swell

When you are playing in the ocean, you must watch out for ____, a spot where the longshore current carries water back into the ocean.

• swell
• rip tide
• neap tide
• trough

The height of a wave is MOST affected by the

• speed of the wind
• speed of the ocean
• salinity of the ocean
• amount of solar energy

Tags

NGSS.MS-PS4-1

Surface currents and waves are powered by

• wind and heat
• wind and tides
• boats and wind
• heat and weather

Tags

NGSS.MS-ESS2-6

How do waves form? 

• Wind blowing across the surface
• Time wind blows
• Strength of the wind 
• Wind when blows upwards off the water

Tags

NGSS.MS-PS4-1