Ocean Basics
Is ocean water fresh water or salt water?
Salt.
What tool shows you which direction is north?
A compass.
What sea animal has eight arms?
An octopus.
What is the name of the place where a plant or animal lives?
A habitat.
True or False: It's okay to leave garbage on the beach because the tide will wash it away.
False.
About what percentage of Earth's surface is covered by the ocean?
About 71%.
What vehicle can travel deep underwater to explore the ocean?
A submarine (or submersible).
What is the largest animal on Earth?
The blue whale.
What colorful underwater habitat is home to thousands of sea animals?
A coral reef.
Name one thing you can do to help protect the ocean.
Examples include recycling, reducing single-use plastics, picking up litter, or using a reusable water bottle.
How many oceans are there on Earth?
Five.
What is a person called who studies ocean animals?
A marine biologist.
Which sea mammal is known for using clicks and whistles to communicate?
A dolphin.
What is the deepest part of the ocean called?
The deep sea.
Why is plastic dangerous for sea animals?
They may eat it or become tangled in it.
Which is the largest ocean on Earth?
Which is the largest ocean on Earth?
What is a person called who studies the ocean, including its water, waves, and currents?
An oceanographer.
What is the largest fish in the world?
The whale shark.
What underwater forest is made of giant brown algae?
A kelp forest.
What does the word "conservation" mean?
Protecting plants, animals, and the environment.
Which is the smallest ocean on Earth?
The Arctic Ocean.
Why do scientists explore the ocean?
To learn about ocean life, habitats, weather, and how to protect the ocean. (Any similar answer earns full credit.)
Which sea turtle is famous for making long migrations between feeding and nesting areas?
The leatherback sea turtle
What tiny drifting plants and animals are an important food source for many ocean creatures?
Plankton.
Why are healthy oceans important for people?
They provide oxygen, food, jobs, help regulate Earth's climate, and support wildlife. (Any one or two of these ideas is acceptable.)