Topography Science

A ship is mapping the structure of the ocean floor using sonar technology. Which describes the basic method used in this type of mapping?

• A radio wave is sent from the ship and reflects off the ocean floor back to a receiver on the ship.

• A sound wave is sent from the ship and reflects off the ocean floor back to a receiver on the ship.

• A radio wave is sent by the ship and is absorbed by the ocean floor.

• A sound wave is sent by the ship and is absorbed by the ocean floor.

Tags

NGSS.MS-PS4-2

A technology used for underwater mapping is called

• Laser

• Radar

• Sonar

• Lidar

What is the term used to describe the height of a point on the Earth's surface above sea level?

• Latitude

• Elevation

• Longitude

• Depth

Which best represents the order of seafloor features as you move from the shoreline to the deep ocean?

•  Continental slope – continental shelf- continental rise – mid-ocean ridge

•  Continental rise – continental shelf – mid-ocean ridge -  continental slope

•  Continental shelf – continental slope – continental rise – mid-ocean ridge

•    Mid-ocean ridge – continental rise – continental shelf- continental slope

Provided is a topographic map of a hill with contour lines drawn showing elevation in meters.
The steepest slope on this hill can be found on the side that is facing which direction?

• Southwest

• Northeast

• Northwest

• Southeast

Determine the contour interval:

• 5 m

• 10 m

• 15 m

• 20 m

What is the difference in elevation between Point X and Point Y?

• 120 m

• 240 m

• 360 m

• 340 m

What is letter C?

• Mid-Ocean Ridge

• Cont. Shelf

• Cont. Slope

• Abyssal Plain

Tags

NGSS.MS-ESS2-3

What is letter D?

• Cont. Shelf

• Mid-Ocean Ridge

• Volcanic Island

• Seamount

Tags

NGSS.MS-ESS2-3

Seamount is similiar to...

• a volcanic island

• a small mountain or volcano

• The Great Plains

• The Grand Canyon