Marine Science_Wave, Tides and Currents

Front

What is a wave?

Back

A rhythmic movement that carries energy through matter or space.

Front

What happens to a wave as it moves into shallower water?

Back

Its height decreases.

Front

What is the main cause of tsunamis?

Back

Undersea earthquakes.

Front

What is the effect of the Sun on tides?

Back

It causes both spring and neap tides.

Front

The gravitational pull of which celestial body has the most significant effect on tides?

Back

The Moon.

Front

What are the two main types of tides?

Back

Spring tides and neap tides.

Front

How often do spring tides occur?

Back

Approximately every two weeks, during the full and new moons.

Front

What is the role of the Moon in tidal movements?

Back

The Moon's gravitational pull creates bulges in the Earth's oceans, leading to high and low tides.

Front

What is a current?

Back

A continuous, directed movement of seawater generated by various forces.

Front

What factors influence ocean currents?

Back

Wind, water density differences, and the Earth's rotation.