4 How big is an ocean There are five oceans and they are HUGE Together they NORTH cover two thirds of AMERICA Earth's surface ATLANTIC OCEAN An ocean is a large area of salty water It's also called the sea ÞACİFİC OCEAN SOUTH AMERICA Seaweed is a plant that lives in salty water Day octopus SOUTHERN OCEAN Long snouted seahorse Are the oceans important Yes Billions of animals and plants live in them People use the things that live in the ocean for all sorts of things too A type of seaweed called red algae is used in peanut butter it makes it easy to spread
Bearded seal ARCTIC OCEAN A big area of land like Asia is called a continent All the continents together are still smaller than the Pacific Ocean EUROPE ASIA ÞACİFİC OCEAN AFRICA INDIAN OCEAN Are you a shark or a whale OCEANIA I'm a type of shark called a whale shark the world's biggest fish My mouth is so big you could sit in it but i only eat plankton tiny animals and plants Why is the sea blue Sunlight is made up of lots of colors When it shines on the ocean most of the colors disappear into the water but blue light bounces back so the ocean looks blue 5
What is a fish Tail fin swishes from side to side when swimming Fish are animals that have skeletons gills and fins There are more than 32,000 types and most of them live in oceans Overlapping scales are smooth and slippery Herring I'm the perfect shape for swimming My silvery scales help water to flow easily over my skin Slim sleek body moves quickly through water can people breathe underwater too No sorry You need to breathe air because you have lungs All fish have special organs called gills that work in water Water and air have oxygen gas in them All animals need oxygen to live Oxygen rich water flows in Triggerfish Water flows out over the gills where the oxygen passes into the fish's blood 6
7 Do fish have special homes Some do Clownfish live among the tentacles of stinging sea anemones The fish are covered in special slime that protects them from stings but animals that might want to eat them can't get close i can glide for up to 650 feet 200 meters Can fish fly No but some can glide Flying fish have very streamlined bodies and use their big fins to launch out of the water into the air Whoosh shark How is my nose like a Most fish skeletons are made of bone Shark skeletons are made of cartilage which is softer than bone Our noses and ears have cartilage too that's why they're bendy Bull shark
