Who Wants to be an Engineer?
Navigation Channels - Our Underwater Highways
(Answers)

1. Which of the following is a man-made waterway?

1. Canal
2. Stream
3. River
4. Ocean

2. Which of the following is a natural waterway?

1. Mississippi River
2. Gulf Intracoastal Waterway
3. Panama Canal
4. Atlantic Intracoastal Waterway

3. Which of the following man-made waterways connects the Tennessee River to the Tombigbee River and is a shortcut for boats and barges that use those two rivers?

1. Mississippi River
2. Miss-Ohio Waterway
3. Ohio River
4. Tenn-Tom Waterway

4. Which of the following is used to best aid ships with navigation?

1. Road maps
2. Nautical charts
3. World atlas
4. Globes

5. A _______________ is the buildup of sediment deposits on the river or ocean bottom.

1. Shoal
2. Confined disposal facility
3. Beach
4. Mountain

6. A navigation channel that connects the main channel or deep water to docks and berthing areas.

1. Reservoir
2. Berthing channel
3. Access channel
4. River

7. The washing away of land and soil by action of wind and water.

1. Erosion
2. Rolling
3. Dredging
4. Washing

8. The largest river in North America that runs from northern Minnesota to the Gulf of Mexico.

1. Red River
2. Columbia River
3. Mississippi River
4. Atlantic Ocean

9. Maps of rivers, harbors, and oceans that contain information necessary for the safe navigation of ships.

1. Road maps
2. Nautical charts
3. Globes
4. Star charts

10. Travel by ships, aircraft, or other vehicles using maps.

1. Coasting
2. Rowing
3. Swimming
4. Navigation

11. A person who is employed to steer a boat or ship through a particular river or channel.

1. Gunner
2. Ecologist
3. Engineer
4. Pilot

12. Soil that is carried into oceans, lakes, streams, and rivers and settles to the bottom.

1. Soil
2. Solution
3. Solvent
4. Sediment

13. The ground above the floodplain that is not covered by water.

1. Upland
2. Backwater
3. Floodplain
4. Swamp

14. A river or channel on which boats, barges, and ships can travel.

1. Waterway
2. Wetland
3. Driveway
4. Backwater