TED-Ed: Why is this 2,500 year old shipwreck so well-preserved? | Helen Farr and Jon Adams

TED-Ed: Why is this 2,500 year old shipwreck so well-preserved? | Helen Farr and Jon Adams

Assessment

Interactive Video

Other, Social Studies, Geography, Science, History

KG - University

Hard

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A remotely operated vehicle discovered an ancient Greek shipwreck in the Black Sea, dating back to 350-410 BCE. The Black Sea's unique meromictic nature, with its oxygen-deprived lower layer, has preserved numerous shipwrecks from various eras, including Roman, Byzantine, and Ottoman. This environment prevents decomposition, allowing ships to remain intact for centuries. Recent discoveries include a medieval Italian merchant ship, highlighting the region's historical significance in trade. However, the fragile nature of these preserved ships poses challenges for researchers, as they cannot be brought to the surface intact.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the initial assumption about the ancient shipwreck discovered off the Bulgarian coast?

It was a Byzantine ship.

It was a Phoenician ship.

It was a Roman ship.

It was an Ottoman ship.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unique feature of the Black Sea contributes to the preservation of shipwrecks?

Its warm temperature

Its meromictic nature

Its high salinity

Its shallow waters

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are the shipwrecks in the Black Sea exceptionally well-preserved?

Because of the high temperature of the water

Due to the presence of oxygen in the water

Because of the absence of marine organisms

Due to the presence of anaerobic bacteria

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What challenge do researchers face when trying to study the shipwrecks in the Black Sea?

The shipwrecks are in a restricted area.

The shipwrecks are covered in coral.

The shipwrecks are too fragile to bring to the surface.

The shipwrecks are too deep to reach.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was significant about the medieval Italian merchant ship found in the Black Sea?

It was the first ship found with intact sails.

It was the largest ship ever discovered.

It was the oldest ship ever found.

It was a complete example of its kind.