Can you arrange the given words?
CMOMON AMTOSHPREIC
PEHONEMAN
COMMON
ATMOSPHERIC
PHENOMENA
are events that happen in the Earth's
atmosphere, which are related to
changes in weather and climate
Activity: FIND IT! (by partner)
You have 2 minutes to search for words. The
more words found, the more points will
be earned
What comes in your mind
when you hear the word
BREEZE?
WIND OR SIMOY NG HANGIN
OR YOU MAY SAY IT’S A SOAP
USE IN WASHING YOUR
CLOTHES
Questions:
EXPERIMENT TIME NA!
LAND & SEA BREEZES
Land and Sea
Breezes
WIND
• Wind is the
movement of air.
• It is caused by:
– 1.Differences in
temperature.
– 2.Differences in
pressure.
DIFFERENCES IN TEMPERATURE
• 1. Warm air rises.
– Warming air make
the molecules
move faster and
spread out.
– This makes the air
less dense.
– Less dense air is
light and will rise.
Differences in Temperature
• 2. Cold air sinks.
– Cooling air makes
the molecules
move slower and
group together.
– This makes the air
more dense.
– More dense air will
sink.
Balloon
DIFFERENCES IN PRESSURE
• 1. Rising air creates low pressure.
– If air is lifted up, that means there is Less air
pushing down on Earth.
• 2. Sinking air creates high pressure.
– If air is sinking, then air is pushing down on
the surface of Earth with a high amount of
pressure.
The Creation of Wind
• 1. Differences in temperature cause air to
rise and sink all over Earth’s surface.
• 2. Rising and sinking air creates high and
low pressure.
• 3. The atmosphere does NOT like
UNBALANCED PRESSURE SOOOO…
• IT TRIES TO EQUAL OUT PRESSURE
BY MOVING AIR FROM HIGH TO LOW
PRESSURE.
Winds are created by …
• 1. Heating the air, decreases pressure (warm
air rises creating a low pressure area).
• 2. Cool air rushes in to replace the warm air
(cooler, denser, air produces high pressure).
• 3. As air goes from high pressure to low
pressure, winds form.
• 4. Wind is a horizontal movement of air.
• 5.There are 2 types of winds: local & global.
SEA BREEZE… Air moves from
the sea during the day.
Convection
Convection is the main way the atmosphere is
heated.
Mr. Fetch’s Earth Science Classroom
LAnd BREEZE… air
moves from the land
at night.
Answer key:
1. Day/ Daytime
2. Land
3. Rises/ goes up
4. Warm
5. Land breeze