Aquatic Webquest

A[n] ______________ tide occurs when the sun is at right angles to the line between Earth and the moon.

• high

• neap

• low

• spring

A[n] ___________ tide occurs when the sun, Earth, and the moon are in a straight line.

• spring

• high

• low

• neap

What percent of the Earth's surface is covered in water?

• 71
• 82
• 50
• 63

What is the steep slope at the edge of the continental shelf?

• seamount
• mid-ocean ridge
• continental slope
• rift zone

What are underwater mountain ranges called?

• continental shelf
• mid-ocean ridges
• abyssal plains
• continental slopes

Where is the shallowest part of the ocean floor?

• continental slope
• continental shelf
• abyssal plains
• rift zones

What is the flat land located on either side of the mid-ocean ridge?

• continental slope
• continental shelf
• abyssal plain
• ocean basin

What is the deepest part of the ocean basin?

• abyssal plains
• trenches
• rift zones
• mid-ocean ridge

What is an opening in the surface where lava may flow?

• trench
• seamount
• rift zone
• valley

Scientists use ______ to determine the oceans depth.

• Submarine
• Sonar
• Helicopter
• Light