3A Deep Blue Sea - Perspectives C1

3A Deep Blue Sea - Perspectives C1 - Ocean Environment

An underwater sculpture in the Coral Reef Sculpture Garden in the Bahamas.

Open Ended

Why do you think the sculpture has been put under the sea?

Multiple Choice

The oceans cover just over 30% / 70% of the planet. They are the Earth's largest life-support systems.

• 30%

• 70%

Multiple Choice

About 45% / 70% of the oxygen we breathe is produced by the oceans.

• 45%

• 70%

Multiple Choice

An estimated 30-50% / 50-80% of all life on Earth is found in the oceans.

• 30-50%

• 50-80%

Multiple Choice

The world's fisheries provide employment for 3.7 million / 37 million people and food for billions.

• 3.7 million

• 37 million

Multiple Choice

The sea level has risen 10-25 cm / 25-50 cm over the past 100 years.

• 10-25 cm

• 25-50 cm

Multiple Choice

The largest living structure in the world is the Great Barrier Reef - a coral reef which measures around 500 / 2,600 kilometers in lenght.

• 500

• 2,600

Multiple Choice

There are many endangered species including whales, dolphins, sharks and turtles. As many as 1 million / 100 million are killed each year for their meat.

• 1 million

• 100 million

Multiple Choice

Around 3% / 10% of the ocean receives protection through marine reserves, no-fishing zones, etc.

• 3%

• 10%

Poll

Which of these facts about oceans surprised you the most?

• Oceans cover 70% of the planet

• 70% of the oxygen we breath is produced by oceans

• 50-80% of all life on Earth is found in the oceans.

• World fisheries provide employment for 37 million and food for billions.

Poll

Which of these facts about oceans surprised you the most?

• The sea level has risen 10-25 cm over the past 100 years.

• The Great Barrier Reef measures 2,600 kms.

• 100 million endangered species are killed each year for their meat.

• 3% of the ocean receives protection through reserves, no-fishing zones, etc.

Multiple Select

climate

• defences

• change

• fuels

Multiple Select

coral

• fuels

• gases

• reefs

Multiple Select

endangered

• refineries

• reserve

• species

Multiple Select

flood

• warming

• defences

• gases

Multiple Select

fossil

• warming

• fuels

• change

Multiple Select

global

• ice caps

• reserve

• warming

Multiple Select

greenhouse

• gases

• species

• warming

Multiple Select

marine

• gases

• reserve

• reefs

Multiple Select

oil

• warming

• refineries

• defences

Multiple Select

polar

• gases

• change

• ice caps

Multiple Select

renewable

• energy

• defences

• warming

Multiple Select

sea

• ice caps

• levels

• energy

Fill in the Blank

The world's largest ______ _______ covering 830,000 square kilometres has been created in the remote Pitcairn Islands in the South Pacific.

Fill in the Blank

Its waters contain some of the few pristine _____ _____ left on the planet, which are home to a huge number of sharks and other large fish.

Fill in the Blank

It is hoped that initiatives like these can protect oceans from pollution caused by the dumping of chemicals, plastics and other rubbish, and by accidental spills from ___ __________ .

Fill in the Blank

______ _______ is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans...

Fill in the Blank

Global warming is the term used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, which is the cause of longer-term _______ ______ .

Fill in the Blank

Many scientists believe that this is the largely due to __________ _____ such as carbon dioxide in the atmosphere.

Fill in the Blank

This has meant that the _____ ___ ___ in the Antarctic and Arctic are melting...

Fill in the Blank

This has meant that the polar ice caps in the Antarctic and Arctic are melting, threatening the habitats of __________ _______ such as polar bears.

Fill in the Blank

It also results in rising ___ ______ , which threaten the existence of many low-lying islands...

Fill in the Blank

It also results in rising sea levels , which threaten the existence of many low-lying islands, and create a need for strong _____ ________.

Fill in the Blank

Many people believe that we should reduce our use of ______ _____ and invest more in ....

Fill in the Blank

Many people believe that we should reduce our use of fossil fuel and invest more in _________ ______ sources such as solar power and power from wind and sea tides.

Open Ended

Do you know where are any other reserves? Where? What are they protecting?

Open Ended

Would you like to swim near a coral reef? Why / why not?

Open Ended

Have you heard of any stories related to dumpling chemicals or oil spills? Where?

Open Ended

What renewable energies are generated in Mexico?

Poll

Did you enjoy today's session? Rank it from 1 (not at all) to 5 (quite a lot).

• 1

• 2

• 3

• 4

• 5