Deep currents are caused by differences in the _______________ ocean water.

•  eutrophication of
• sun's effect on
• density of
•  salinity of 

Tags

NGSS.MS-ESS2-6

Upwelling is associated with

• a decrease in access to nutrients for phytoplankton
• cooler, nutrient-rich waters being pushed up from deeper ocean waters
• temperature gradients moving water from the equator to the poles
• an increase in human fatalities

Tags

NGSS.MS-ESS2-6

NGSS.MS-LS2-1

NGSS.MS-LS2-3

The ocean floor 

• is always a flat bed of sand 
• has mountains, plains, and ridges like land surfaces
• is covered by the same amount of water everywhere
• covers less area than land

Tags

NGSS.MS-ESS2-4

Where is the ocean deepest?

• ocean trench
• volcanic island
• abyssal plain 
• mid-ocean ridge

What do the arrows represent in the picture?

• waves
• surface currents

• tides
• deep/density currents

Tags

NGSS.MS-ESS2-6

What causes the tides to change?

• wind

• magic
• gravitational pull from the Sun and moon

• ocean currents

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The deep, flat region of the ocean floor is called the 

• ocean trench
• continental shelf
• abyssal plain
• seamount 

What is letter D?

• Continental Shelf

• Mid-Ocean Ridge
• Volcanic Island
• Seamount

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is letter G?

• Mid-Ocean Ridge
• Seamount

• Trench
• Continental Shelf

What is letter A?

• Continental Shelf

• Continental Slope

• Seamount
• Abyssal Plain

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3