Recognize The Uniqueness of Earth
Recognize The Uniqueness of Earth
Recognize The Uniqueness of Earth
SCIENCES
Essential Question-
What are the characteristics that make a planet habitable for
humans? What conditions need to exist in order for life to
survive?
Oxygen is a key ingredient to life.
Oxygen is constantly put
All human beings breathe oxygen.
into the atmosphere by
plants and trees.
Earth has a
breathable
atmosphere.
Water on Earth can be found anywhere, in its three states. It
can be frozen, taking the form
of ice. It can be liquid, seen in
seas and oceans and lakes.
No other planet has liquid water.
The ozone
is the layer
around the
The earth that
protective screens out
atmospher harmful
e around radiation.
the earth is
needed to
for the
survival of
humans.
Reason Five: The Sun
If there was no Sun, there would be no life on Earth. Earth
would not exist.
Temperature
Too little
gravity
Too much gravity tires
results in
muscles, breaks bones
weaker and would require a lot
bones and more energy to move.
muscles.
Nutrients
• Used to build and maintain an organisms body
MAGNETIC FIELD
• A planet requires a
rapidly rotating magnetic
filed to protect it from
flares from nearby stars
and from harmful
radiation
Is there a possibility that
there are OTHER
PLANETS are habitable
aside from Earth?