1. False: Over 70% of the Earth’s surface is covered with water. In fact, the Earth even looks blue from space and is sometimes known as the ‘blue planet’.
2. True
3. True: The ocean zones are the sunlit zone, the twilight zone, the midnight zone and the abyss.
4. True: Kelp forests can even grow to over 100 metres tall.
5. True: Coral reefs may look like a planet, but it is made up of lots of tiny animals called polyps.
6. True
7. False: It is estimated that nearly 10 million tonnes of plastic enters the sea each year from the land.
8. True: Blue whales are the largest creature on the planet. They can grow to over 33 metres, which is over twice as long as a T-rex dinosaur
9. True: The Great Barrier Reef is the largest living structure on Earth. It is made up of over 2,900 individual reefs and 900 islands stretching for over 2,300kms.
10. True: Over 260,000 ocean creatures have been discovered, but as so much of the ocean hasn’t yet been explored, scientists think there could be many more.