______________ is a clean energy that humans can use. Wind turbines are used to generate it
wind energy
Tornados are formed when air of different temperatures mix together. They can have wind speeds up to _____________.
500 km/h
___________ are formed when hot air rises up quickly and cools down to form water vapors.
thunderstorms
___________________ Are big storms that form at sea.
tropical cyclones
Which tropical cyclone has the lowest wind speeds and causes the least damage?
depression
A ____________ is a tropical cyclone with wind speeds between 63-117 km/h
tropical storm
A ____________ is the most powerful tropical cyclone, it has the highest wind speed and causes the most damage.
typhoon
Wind is _________________________.
the movement of air
Sea breeze forms during the _________ and blows from sea to land.
day
Name a benefit of wind.
flying a kite/ sailing a boat/ wind energy
Too much dust, soot, or smoke in the air is bad for living things. This is called _______.
air pollution
Most air pollution comes from _______ because of the number of people in the world is increasing.
human actions
A mixture of smoke and fog makes the air bad in quality. This is called _______.
smog
______ is a pollutant found in the air.
dust
Air with a lot of smoke causes many respiratory diseases. One of which is ________.
Asthma
Do not burn garbage is a _____________________________________________.
way to solve air pollution
