5 Written Questions
5 Matching Questions
- Lunar Tide
- Slack Water
- Wave Frequency
- a There are five of these boundary currents. They carry cold water towards the equator.
- b Number of waves passing a fixed point per second.
- c The Gulf Stream is an example of this type of boundary current.
- d a time of no current, occurs at high and low tides when current change direction
- e Tide caused by gravitational and inertial interaction of the moon and Earth.
5 Multiple Choice Questions
- These boundary currents are shallow and broad with boundaries that are not well defined.
- Which direction do gyres flow in the Southern hemisphere?
- These waves tend to be less than 3m high, and have wavelengths between 60 - 150m in the ocean.
- This type of tidal cycle is found commonly in the Atlantic and Pacific Oceans.
- The West Wind Drift is an example of this type of boundary current.
5 True/False Questions
Tsunami → Wave generated as a result of a seismic event.
Eastern → The Gulf Stream is an example of this type of boundary current.
Ebb Current → Countercurrents beneath surface currents. Can influence conditions at the ocean surface.
Capillary → These waves are the first to form when the wind blows.
Capillary waves → A breaking wave whose crest slides down the face of the wave.