2. THE LAYERS OF THE
EARTH
Crust
Mantle
Core:
The outer core
The inner core
3. EARTHQUAKES
Earthquakes are when
two plates sleep or bump
each other.
The location below the
Earth’s surface where
the earthquakes starts is
called hypocenter.
The location directly
above it on the surface
on the Earth is called
epicentre.
4. VOLCANOES
A volcanoe is a
mountain with a large
hole at the top.
The hole on the
volcanoe is called
crater.
5. THE ATMOSPHERE AND
THE ATMOSPHERIC
GASES.
The atmosphere is Nitrogen 78%
the air around the Oxygen 21%
Earth. Other gases 1%
(Argon, Neon, Kypton, ...)
6. THE LAYERS OF THE
ATMOSPHERE
The Troposphere.
The Stratosphere.
The Mesosphere.
The Thermosphere.
The Exosphere.
7. THE GREENHOUSE
EFFECT
The Greenhouse gases trap most of
infared rays. This heats the atmosphere
and heats the Earth.