ONR Science & Technology Focus
               Oceanography       Space Sciences       Blow the Ballast!       Teachers' Corner   
Ocean in Motion Ocean Habitats Ocean Life Ocean Water Ocean in Regions Research Vessels Resources

Ocean in Motion: Currents - Quick Quiz
1. If caught in a rip current, you should always swim toward the shore.
True
 False
2. Some currents flow in large rotating loops called what?
Coriolos
 Westerlies
 Gyres
 Upwellings
3. Wind blowing offshore pushes water away from the shore and deep, colder water rises to replace the water being blown out to sea. What kind of current is this?
Gulf Stream
 Upwelling
 Easterlies
 Gyres
4. What causes currents?
Wind
 Tides
 Gravity
 All of the above
5. Longshore currents are caused when waves strike the beach at an angle.
True
 False
 

Answers (for non JavaScript enable browsers):

1. True. Swimmers caught in a rip current should swim parallel to the shore until completely out of the rip current.

2. Gyres

3. Upwelling

4. All of the above

5. True
back page