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What do we call rain that contains chemicals harmful to plants, buildings, and lakes?
acid rain
Which animals can live both in water and on land?
amphibians
A sudden movement of a large mass of snow down a mountain is called…
avalanche
The natural area where an animal usually lives.
habitat
If a species disappears completely from the Earth, it becomes…
extinct
What is the term for the gradual rise in the Earth’s temperature caused by human activity?
global warming
Give a synonym to "rubbish".
litter or trash
The hard outer covering of some plants is called…
bark
The long sharp tooth of an elephant is called...
a tusk
Most birds are covered with...
feathers
Which animal has a shell and moves very slowly?
turtle/snail
Animals at risk of disappearing completely are…
endangered species
Lightning is often followed by…
thunder
A long period with little or no rain is a…
drought
The rapid movement of hot lava and gas from a mountain is a…
volcanic eruption
A large wave caused by an underwater earthquake is a…
tsunami
