The Ocean Floor

The continental slope lies between the continental shelf and the ____________________.

• continental slope
• continental shelf
• abyssal plain
• rift valley

True or False: The tallest mountains on Earth are in the ocean!

• True
• False

The edge of the continent that is under the water is called

• Continental shelf
• Continental slope
• Rift Valley
• Continental Rise

The steep drop from the edge of the continent down to the sea floor is called

• Continental shelf
• Continental slope
• Rift Valley
• Continental Rise

Ocean trenches occur at _____________ boundaries.

• Divergent
• Convergent
• Transform

Mid-ocean ridges occur at _____________ boundaries.

• Divergent
• Convergent
• Transform

The majority of the ocean basin is flat and featureless. This area is called the _________________.

• ocean basin
• mid-atlantic ridge
• rift valley
• abyssal plain

Over what percentage of the Earth's surface is covered in water?

• 65%
• 70%
• 35%
• 99%

Why is it difficult for humans to study the bottom of the ocean?

What type of boundary is the Mariana Trench found at?

• Divergent
• Convergent
• Transform