A coral reef is a community of living organisms made up of plants, fish, and many other creatures.
100
What is the largest known animal ever to live on sea or land?
The Blue Whale
100
What percent of the Earth is covered by water?
70%
100
What is global warming?
It is when there's an increase in the Earth's temperature because of an increase of carbon dioxide.
100
Which of the following help pollution occur?
A: burning fossil fuels in cars and trucks
B: spilling chemicals in rivers
C: oil spills in the oceans
D: all of the above
D: all of the above
200
What is the difference between prey and predator?
Prey is an animal that is hunted and killed for food and a predator is an animal that hunts and kills an animal for food.
200
What is the main difference between a shark and a whale?
A shark is a fish and a whale is a mammal.
200
How many oceans are there on Earth?
List them.
The Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern Ocean, and Arctic Ocean
200
How is more carbon dioxide being released into the Earth's atmosphere?
Burning fossil fuels such as oil and coal, burning and cutting down trees, etc.
200
Pollution can also come from natural resources. What is one natural resource that can cause pollution?
A: fossil fuels
B: forest fires
C: oil spills
B: forest fires
300
What does "sludge" mean?
Mud; oil
300
Where do clown fish live?
Sea anemone
300
Which is the largest ocean?
The Pacific Ocean
300
Why would there be more storms and hurricanes?
A hotter planet means that the weather would change. Warmer water and cool air would cause more hurricanes.
300
When we drive, gases and bits of dust go into the air. What then forms?
A: acid rain
B: rain
C: clouds
A: acid rain
400
What does "echinoderm" mean?
A marine invertebrate (no backbone), such as starfish, sea urchin, or sea cucumber.
400
What do fish use in order to breathe?
Gills
400
What is the largest living structure on the planet?
The Great Barrier Reef
400
Higher temperatures will make the waters of the seas and ocean _______________.
a. develop b. fragile c. decrease d. expand
d. expand
400
List three things you can do to reduce pollution.
Recycle, reuse, clean up trash, save energy, ride a bicycle, use solar power, etc.
500
What is coral bleaching?
When corals are stressed by changes in conditions such as temperature, light, or nutrients, and they turn white.
500
What is the fin on the back of a shark called?
A dorsal fin
500
What is the deepest spot in the ocean?
It has a deepest point of around 11000 metres (36000 feet)
The Mariana Trench
500
Which country emits the most greenhouse gases?
a. India b. China c. The United Kingdom d. U.S.A
b. China
500
Give 1 example of something that is NON biodegradable.