Question 1

What is the aquatic world?

Accepted Answer

The aquatic world is all the water-filled places on Earth, like oceans, rivers, and lakes. It's home to many different animals and plants.

Question 2

Why is the ocean salty?

Accepted Answer

The ocean is salty because tiny bits of salt from rocks on land get washed into the ocean by rain and rivers. Over time, this makes the ocean salty.

Question 3

How do fish breathe underwater?

Accepted Answer

Fish use gills to breathe underwater. Gills take oxygen from the water so fish can stay underwater without needing to come up for air.

Question 4

What is a coral reef?

Accepted Answer

A coral reef is a big underwater structure made of tiny animals called corals. Many sea creatures, like fish and turtles, live around coral reefs.

Question 5

Why are coral reefs important?

Accepted Answer

Coral reefs are important because they are home to lots of sea animals and help protect coastlines from big waves. They're like underwater cities for fish!

Question 6

How deep is the ocean?

Accepted Answer

The ocean is very deep! On average, it's about 12,080 feet deep, which is as tall as 8 Empire State Buildings stacked on top of each other.

Question 7

What are sharks?

Accepted Answer

Sharks are large fish with sharp teeth and powerful bodies. They have been around for millions of years and are important predators in the ocean.

Question 8

Do all animals in the ocean look the same?

Accepted Answer

No, the ocean is full of many different animals, just like on land. There are colorful fish, big whales, tiny plankton, and lots of other unique sea creatures.

Question 9

What is the biggest animal in the ocean?

Accepted Answer

The biggest animal in the ocean is the blue whale. It can grow longer than two school buses and weigh as much as 33 elephants!

Question 10

How do some sea animals glow in the dark?

Accepted Answer

Some sea animals can glow in the dark because they have a special ability called bioluminescence. This means they can make their own light, like a natural flashlight.

Question 11

What are jellyfish made of?

Accepted Answer

Jellyfish are mostly made of water and a little bit of protein. They float in the ocean and have long tentacles that can sting.

Question 12

Why do people like going snorkeling?

Accepted Answer

People like snorkeling because it lets them see the amazing underwater world close up. It's like swimming in a giant aquarium with colorful fish and beautiful coral.

Question 13

What is seaweed?

Accepted Answer

Seaweed is a type of plant that grows in the sea. It can often be found floating in the ocean or clinging to rocks and it's an important food for some marine animals.

Question 14

Can dolphins talk to each other?

Accepted Answer

Yes, dolphins can talk to each other using clicks, whistles, and other sounds. These sounds help them communicate with their friends and find food.

Question 15

Why do turtles come on land?

Accepted Answer

Sea turtles come on land to lay their eggs. They dig a hole in the sand, lay their eggs, and then return to the sea, leaving the eggs to hatch on their own.

Question 16

What is the difference between a sea and an ocean?

Accepted Answer

Seas are usually smaller than oceans and are often partly enclosed by land. Oceans are much bigger and deeper, covering most of Earth's surface.

Question 17

Can crabs walk forward?

Accepted Answer

Crabs don't usually walk forward; they walk sideways. Their legs are shaped in a way that makes sideways walking easier for them.

Question 18

How do whales sleep without drowning?

Accepted Answer

Whales sleep by resting one half of their brain at a time so they can come up for air even when they are sleeping. This way, they don't drown while asleep.

Question 19

Why do some fish live in groups?

Accepted Answer

Some fish live in groups, called schools, to protect themselves from predators. There is safety in numbers, and it also helps them find food.

Question 20

What do starfish eat?

Accepted Answer

Starfish mostly eat shellfish like clams and oysters. They use their strong arms to pry open shells and eat what's inside.

The Wonders of the Aquatic World - 20 FAQs Explained Simply