Oceans

What % of the world is water?

• 20%

• 50%

• 70%

• 97%

Tags

NGSS.MS-ESS2-4

Where coral and fish live

• Midnight Zone

• Twilight Zone

• Abyss

• Sunlight Zone

Seawater is typically denser than freshwater due to seawaters-

• greater depth
• smaller mass
• higher salinity
• lower freezing point

What part of the ocean floor would be the most difficult to explore due to pressure?

• continental slope
• sea mount
• trench
• abyssal plain

Which best describes the continental shelf?

• a flat underwater valley 
• a region of mountains in the deep ocean 
• a shallow area of sediment near the shore 
• a region with high water pressure 

Salinity means

• how many fish are in the water
• how much salt is in the water

Tags

NGSS.5-ESS2-2

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-ESS2-3

Where is the ocean deepest?

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

Tags

NGSS.HS-ESS2-1

Which of these increases as a submarine dives deeper into the ocean?

• The number of plants in the water
• the freshness of the water
• the water temperature
• the water pressure

As you go deeper in the ocean, the _______ decreases. 

• water
• salinity
• temperature
• water pressure