Name: ______________________________________________ Date: __________________________ Period: _______
Earth’s Spheres Digital Lesson (Unit 3 Lesson 1)
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There are __________ spheres that make up the Earth system.
Earth System : All of the ______________ things, _______________ things, and _______________ that make up
the planet Earth
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Earth is the only planet in our solar system with life. What things are required for a planet to be able to SUSTAIN
life?
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The CRYOSPHERE is the part of the Earth’s system that is _______________ water.
o Besides at the poles, where else is ice found that remains frozen year round?
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The BIOSPHERE is made up of _______________ and the ______________ of Earth where they are found.
The ATMOSPHERE is a thin layer of _______________ that surrounds Earth.
The GEOSPHERE is the mostly _______________ part of Earth and includes the interior part of the planet.
The HYDROSPHERE is the portion of the Earth system that is _______________ water.
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Most living things can only exist in the lowest layer called the _______________.
Sketch the FOUR layers of the atmosphere.
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In which layer of the atmosphere is the OZONE LAYER found? ____________________
__________ percent of the hydrosphere is salt water.
OCEANS cover __________ percent of Earth’s surface.
RIVERS carry __________ water to lakes or oceans.
Most LAKES and PONDS are __________water.
Some lakes, such as Mono Lake, are __________water lakes.
ESTUARIES are the mouth of a river that opens into an ocean. They have both __________water and
__________water.
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True or False: The seas in the Arctic and Antarctic are frozen year round.
Lakes at very high _______________ or _______________ remain frozen year round.
Parts of the world close to the _______________ or on top of high _______________ are covered with snow all
year round.
PERMAFROST can be found at high latitudes and high altitudes. It is _______________ that is frozen year round.
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True or False: The biosphere is found in a particular place on Earth.
The _______________ near the equator have more SPECIES of living things than any other place on Earth.
True or False: In the POLAR climates, there aren’t that many living things.
o Thinking further: To survive in this climate, what ADAPTATIONS must living things have?
Name: ______________________________________________ Date: __________________________ Period: _______
Earth’s Spheres Digital Lesson (Unit 3 Lesson 1)
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Geysers (hot springs) shoot very hot water in the air. Not many things can survive this, but some
_______________ are adapted to withstand these extreme temperatures.
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It is made up of three main layers – the __________, the ___________, and the __________.
__________: The outermost layer of the geosphere that makes up the surface of the Earth.
__________: The middle layer that sits under the crust. Made of minerals that are DENSER than those in crust.
__________: The innermost layer that makes up the center of the Earth. Mostly made of nickel and iron.
Interacting Spheres
Bio and Geo
Interaction Example
Hydro and Atmos
Hydro and Atmos
Cryos and Hydro
Bio and Atmos
Bio and Hydro
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What is one way that the BIOSPHERE interacts with the ATMOSPHERE?
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The Earth System contains five spheres: atmosphere, hydrosphere, cryosphere, geosphere, and biosphere.
Earth’s spheres are all _______________. They interact by transferring _______________ and
_______________ back and forth.