Ocean Topography

What is a seamount?

• Continuous underwater mountain range

• A geyser on the ocean floor

• At the edge of the shelf, the ocean floor drops down an incline

• Underwater, inactive volcanic mountains

What is a trench?

• Gently sloping, shallow area

• A deep, steep-sided canyon at a subduction zone

• A smooth and flat area on the ocean floor

• At the edge of the shelf, the ocean floor drops down an incline

Tags

NGSS.MS-ESS2-3

What is the Mid-Ocean Ridge?

• Continuous underwater mountain range

• A geyser on the ocean floor

• Mountains that reach the ocean surface

• Underwater, inactive volcanoes

Tags

NGSS.MS-ESS2-3

What is an abyssal plain?

• A smooth, flat area on the ocean

• Mountains that reach the ocean surface

• Gently sloping, shallow area

• At the edge of the shelf, the ocean floor drops down an incline

What is a continental shelf?

• Gently sloping, shallow area

• Underwater, inactive volcanic mountains

• A smooth, flat area on the ocean floor

• A geyser on the ocean floor

What is a continental slope?

• A gently sloping, shallow area

• A continuous underwater mountain range

• At the edge of the shelf, the ocean floor drops down an incline

• Underwater, inactive volcanic mountains

The large, flat part of the ocean floor is called the _____________. 

• trench
• continental shelf
• continental slope
• abyssal plain

What do you call an inactive underwater volcano/mountain?

• trench
• abyssal plain
• seamount
• volcanic island

What is a deep, underwater valley or canyon on the ocean floor?

• seamount
• trench
• continental rise
• continental slope

If you are walking into the ocean you would be on the continental...

• shelf
• slope
• rise