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Let's Go Scuba Diving
Put on your scuba-diving
gear and let's go down under the ocean. Make sure your air
tanks are full!
As you dive down take a look
at the ground under the water. This is called the ocean
floor. When the ocean floor is very shallow and comes up out
of the water, it is called an island. When the ocean floor
is very deep, it is called a trench. The ocean floor has
hills and valleys just like the dry parts of earth.
Now look around you.
Many different animals live in the ocean. Do you see any
fish, sharks, dolphin, and octopuses? Look carefully.
Take a scoop of water with your hand. In your hand you are
holding many living creatures that live in the ocean. They
are so tiny you can't see them. These tiny plants and
animals are called plankton.
The ocean is also the home
of the world's largest creatures, the whales. The biggest is
the blue whale. It can grow to 98 feet long.
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