Light disappears in deeper water. What happens in deep sea?
It gets louder.
It gets darker.
It gets shallower.
It gets hotter.
Toxic waste dumped into the sea can make it hard for marine life to survive. Why is toxic waste dangerous to the ocean?
It helps turtles swim faster.
It can harm sea animals.
It gives fish superpowers.
It makes the ocean warmer.
A blue whale travels thousands of kilometers searching for food in deep waters. Why does a blue whale swim such long distances?
To look for warm water.
To play with other whales.
To find something to eat.
To escape from ships.
Sea sponges stay in one spot and trap tiny food pieces that float past. How do sea sponges eat?
By hunting fish.
By swimming after crabs.
By eating seaweed.
By catching food in water.
The part of the ocean where no sunlight reaches is extremely cold and black. What is true about the deepest part of the ocean?
It is warm and bright.
It has many people.
It is dark and cold.
It is full of sunshine.
Dolphins often move together and use sounds to share messages. What do dolphins do when they are together?
They talk to each other.
They sleep alone.
They build nests.
They hide under rocks.
Plastic bags in the water can look like jellyfish to hungry turtles. Why might a turtle eat plastic by mistake?
It needs to build a nest.
It wants to play.
It likes to chew it.
It thinks it's food.
Sharks must hunt smaller creatures in order to stay alive. How do sharks find food?
By filtering water.
By eating sand.
By growing plants.
By hunting animals.
Only the ocean's top layer gets light from the sun. Which zone gets sunlight?
It gets sunlight.
It is always frozen.
It never moves.
It is the quietest part.
Catching too many fish can make it hard for them to come back. What happens if we catch too many fish?
They grow faster.
They might disappear.
They float to shore.
They get cleaner.
A squid uses ink to confuse attackers. Why does a squid squirt ink?
To escape danger.
To color the sea.
To swim faster.
To scare its friends.
Turtles bury their eggs in warm sand. Where do turtles lay eggs?
Under rocks.
In seaweed.
On the beach.
In the sea.
Each ocean zone has its own animals. Why do animals live in certain zones?
They follow dolphins.
They get bored.
They like swimming.
Each zone fits them.
If one fish is gone, others may lose food. Why is losing one fish bad?
It makes the water cold.
It brings more jellyfish.
It breaks the food chain.
It helps sharks grow.
Dolphins leap while playing or talking. Why do dolphins jump?
To play or speak.
To sleep.
To dry off.
To hunt birds.
Oil on the ocean poisons sea life. What does oil do in the sea?
It cools turtles.
It harms animals.
It feeds fish.
It cleans water.
