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Evaluating the effectiveness of tidal wave barriersFeatured science projectScience project video


This science fair project was conducted to evaluate the effectiveness of two types of tidal wave barriers: Which best reduces the onslaught of tidal waves in a natural disaster? A man-made barrier (reconstructed from clay) or an artificial mangrove swamp (reconstructed from plastic grass)?


The artificial mangrove swamp will absorb the impact of tsunami waves better than the man-made barrier.

Scientific Terms

Tsunami, volcano eruption, earthquake, landslide



A tsunami occurs when a series of very huge waves are generated along the ocean coastline. It is normally triggered by a violent underwater event such as a landslide, an earthquake or a volcano eruption. These events cause a large amount of ocean water displaced, triggering a tsunami.

When an underwater earthquake happens, the seafloor is suddenly becomes elevated or sinks. This causes the overlying water displaced from its state of equilibrium. The huge amount of displaced water creates waves. These waves form a tsunami.

As a tsunami approaches the shore, the sea becomes shallow, cand this in fact causes incoming waves to grow taller. Such waves can reach heights of 30 meters!. A tsunami causes a lot of damage to the shoreline. Often, many lives and properties are destroyed.

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Complexity level:
Project cost ($):
Time required:
It will take 3 hours to set up the science project experiment, and 2 hours to conduct it
Material availability:
The materials required for this science fair project can be purchased at a hardware store.
Safety concerns:

Basic safety requirements