The atmosphere is the layer of gases
that surrounds the Earth.: - It filters harmful rays from the Sun. - It keeps the temperature perfect
for life on the planet. - It contains the air that living things
need to stay alive.
Living things need to breathe clean air. Many human activities
release harmful gases into the atmosphere. This causes air
pollution.
2. What are atmospheric phenomena?
Clouds are made of tiny water
droplets. Clouds are different in size,
shape and colour. Precipitation is water that falls from
the clouds to Earth. Rain is liquid
water. Hail and snow are solid water Storms are extreme phenomena
with strong winds and heavy rain.
There can be thunder and lightning. Wind is moving air. Winds range
from light breezes to devastating
hurricanes.
Why does it rain?
Precipitation is caused by the water cycle.
- Weather is the state of the atmosphere at a specific
time and place
- Measuring the weather
Weather stations contain various instruments to
measure and record the weather.
- They are located
in different places.
You can do this activity to review:
weather maps:
Meteorologists study the atmosphere and
atmospheric phenomena. They collect
data from weather satellites that orbit the
Earth and weather stations. They display
this information on weather maps
There are four seasons: spring, summer, autumn
and winter.
The length of the days, the temperatures and the amount
of precipitation change depending on the season
blue = oceans 
brown = land
green = vegetation 
