1-2 What are the main parts of Earth?
Name: _______________________________________________
Date: August 17, 2015
Objective: _______________ and _______________ the _______________
main parts of Earth: the lithosphere, hydrosphere, and atmosphere
Key Terms:
sphere: _______________________________________________________
lithosphere: ___________________________________________________
hydrosphere: ___________________________________________________
atmosphere: ___________________________________________________
The Lithosphere:
Earth is _______________ in shape. The prefix litho- means “__________.”
The _______________ you walk on is part of the lithosphere. _______________
are raised parts of the lithosphere. _______________, found between mountains, are
low areas of the lithosphere.
The lithosphere includes the _______________ as well as the __________
_______________ __________ _______________. _______________ are
very _______________ land masses. The _______________ continents found on
Earth today are: North America, South America, Europe, Africa, Asia, Antarctica, and
Australia.
1. Name: What is the solid part of the Earth called?
________________________________________________________________________
________________________________________________________________________
The Hydrosphere:
The hydrosphere includes __________ of the _______________
_______________ and __________ on Earth. _______________
_______________ makes up about __________ percent of Earth’s water.
_______________ of the salt water is found in the _______________. There are
_______________ major oceans on Earth: Atlantic, Pacific, and Indian. These are all
interconnected to form __________ _______________ _______________
_______________.
The remaining _____ percent is _______________ _______________. Fresh
water is found mostly in _______________, _______________,
_______________, and the _______________ ice caps.
2. Name: List the bodies of salt water?
________________________________________________________________________
________________________________________________________________________
The Atmosphere:
The __________ you breathe is part of the atmosphere. _______________
and _______________ make up most of the atmosphere. Organisms need these and
other gases to __________. The atmosphere also helps _______________ living
things by _______________ harmful rays given off by the Sun. These rays, called
ultraviolet rays, cause _______________, __________ _______________, and
__________ _______________.
3. Identify: What are the two main gases in Earth’s atmosphere?
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
Checking Concepts
1. The ground you walk on is part of the _______________.
2. The air you breather is part of the _______________.
3. The _______________ includes rivers, lakes, and oceans.
4. Earth is a round, three-dimensional object known as a _______________.
5. Salt water makes up about _______________ percent of the hydrosphere.
6. There are _______________ continents on Earth.
7. There are _______________ major oceans on Earth.
Thinking Critically
8. Interpret: Use the picture of the seven continents to answer the following
questions:
a. Which is the smallest continent? ________________________
b. Which is the largest continent? _________________________
9. Analyze: Draw a pie graph that shows the percentage of salt water and fresh water
on Earth.
Homework: 1-2 What are the main parts of Earth worksheet