Where is the deepest point on Earth? How are tsunamis caused? Why do some people live in houses on stilts? Raise the anchor and set sail on a journey round the five oceans of the world. Read maps and interpret simple map keys to explore famous places, islands and busy ports. Learn about extreme weather and the valuable resources the oceans provide. Dive deep to explore the ocean floor and the remarkable plants and animals that thrive there. Explore the biggest ocean on Earth, the Pacific Ocean. Learn about the extreme features of the Ring of Fire and Shanghai's busy port. Hold your nose for the biggest rubbish dump in the world!