Page 90 - GTTT_4_SB_SE

4c U n d er th e s ea
7c
Under the sea

1 Warm-up Answer the following questions.

• Have you ever watched a documentary • Have you ever tried scuba diving?
about underwater life? Was it interesting? Would you like to?

2 Vocabulary 

A. Match the words below with the items in the B. Look at the box and read the numbers a-e aloud.
picture. Write the correct number next to the • 7,053 seven thousand and fifty-three
words. Then listen and check your answers.
• 62,425 sixty-two thousand, four hundred
1 and twenty-five
• 88,000,000 eighty-eight million
3
© MM Publications
• 1,290,436,300 one billion, two hundred
4 and ninety million, four hundred and thirty-
six thousand, three hundred
a. 5,632
2 b. 3,800,000,000
5
c. 216
d. 17,992
rock reef sand cave wreck e. 8,500,000

3 Read 

A. Listen and read. What is an artificial reef?

hen you hear the word ‘reef’, you In fact, research shows that locations with
usually think of tropical islands wrecks are more popular with tourists, who
with colourful fish swimming around spend around 650 million euros a year in
coral and sea flowers. But how is a these coastal areas.
natural reef formed? Well, rocks and sand The lack of natural reefs in some places
near the coast join together to create has led to people building ‘artificial’ ones.
a long line just above or just below the The first artificial reefs were made by the
surface of the sea. In this way, a natural Japanese back in the 1800s. They were
habitat for sea creatures and fish is made of bamboo, but today people sink
created.
anything from old tyres to old ships and
During World War II, a great number of aircraft. Before the actual sinking, scientists
ships sank and planes crashed into the and researchers make sure that the
sea. As years went by, these wrecks turned materials are stable and environmentally
into ‘reefs’. Coral and sponges began safe. On 10 June 2002, an old transport
growing there and lots of fish and other ship, Spiegel Grove, was deliberately
sea creatures were attracted to them. The sunk off the coast of Florida to create the
wrecks became a place where they could world’s largest artificial reef.
find food or shelter to hide from predators.
These wrecks have become a popular
destination for fishermen and sport divers.

88

8/4/2020 12:01:37 µµ
GTTTop4_Rev_SERBIA_SB_Mod7_083-096.indd 88 8/4/2020 12:01:37 µµ
GTTTop4_Rev_SERBIA_SB_Mod7_083-096.indd 88