Unit 8 - Page 260 - 263

How long does the Great Barrier Reef extend?

• 500 km

• 1000 km

• 2000 km

• 3000 km

Answer explanation

Answer: C) 2000 km

• That’s about the same distance as driving from New York to Florida or from London to Rome!

• The reef is so big that it can be seen from space.

The Great Barrier Reef covers an area of approximately:

• 100,000 km²

• 200,000 km²

• 343,800 km²

• 500,000 km²

Answer explanation

Answer: C) 343,800 km²

• That’s almost the size of Japan or Germany!

• It’s like having one giant underwater national park

Why is the Great Barrier Reef considered the world’s largest living structure?

• It is home to the biggest fish species

• It consists of over 2900 reefs

• It was formed by volcanic activity

• It is the deepest ocean trench

Answer explanation

Answer: B) It consists of over 2900 reefs

• Imagine 2,900 small coral cities combined to form a massive reef.

• Coral reefs are made up of tiny living organisms called coral polyps

The Great Barrier Reef contributes how much to the tourism industry annually?

• $1 billion

• $2 billion

• $4 billion

• $10 billion

Answer explanation

Answer: C) $4 billion

• That’s a huge amount—similar to what big companies like Tesla or McDonald's earn in profits each year.

• This money helps provide jobs for divers, boat operators, and tour guides.

When was the Great Barrier Reef declared a UNESCO World Heritage Site?

• 1975

• 1981

• 1990

• 2000

Answer explanation

Answer: B) 1981

• This means the reef is considered a special place that must be protected, just like the Great Wall of China or the Pyramids of Egypt.

What is the primary threat posed by coal mining near the Great Barrier Reef?

• Overfishing

• Coral bleaching due to climate change

• Tsunamis

• Increased fish populations

Answer explanation

Answer: B) Coral bleaching due to climate change

• When ocean temperatures rise, corals lose their color and become weak, like a tree losing its leaves.

• Coal mining releases carbon dioxide (CO₂) into the air, making the planet hotter.

What is the name of the government plan for protecting the Great Barrier Reef?

• Reef 2020

• Reef 2050

• Coral Rescue Plan

• Marine Life Conservation Act

Answer explanation

Answer: B) Reef 2050

• The Reef 2050 plan is like a long-term care plan for the reef, aiming to reduce pollution and protect marine life.

How many species of fish live in the Great Barrier Reef?

• 500

• 1000

• 1500

• 2000

Answer explanation

Answer: C) 1500

• That’s more fish species than in the entire Atlantic Ocean!

• Some famous fish include clownfish (like Nemo) and parrotfish.

What is a key function of land-use zoning in the Great Barrier Reef?

• To allow unlimited industrial development

• To regulate activities and protect ecosystems

• To encourage unregulated fishing

• To eliminate marine tourism

Answer explanation

Answer: B) To regulate activities and protect ecosystems

• Think of land-use zoning like rules in a national park:

  • Some areas allow camping.

  • Some areas are for hiking only.

  • Some areas are completely off-limits to protect wildlife.

Which activity is strictly prohibited in the Preservation Zone of the Great Barrier Reef?

• Recreational fishing

• Industrial tourism

• Commercial fishing

• All of the above

Answer explanation

Answer: D) All of the above

• The Preservation Zone is like a protected wildlife sanctuary where humans cannot fish, build, or pollute.